P1100 MAF Sensor Intermittent/
Check of all OBDII Systems Not
Complete
P1101 MAF Sensor Out Of Self
Test Range./KOER Not Able To
Complete KOER Aborted
P1102 MAF Sensor In Range But
Lower Than Expected
P1103 MAF Sensor In Range But
Higher Than Expected
P1104 MAF Ground Malfunction
P1105 Dual Alternator Upper
Fault
P1106 Dual Alternator Lower
Fault/ Manifold Absolute
Pressure (MAP) Sensor Circuit
Intermittent High Voltage
P1107 Dual Alternator Lower
Circuit Malfunction/ Manifold
Absolute Pressure (MAP) Sensor
Circuit Intermittent Low Voltage
P1108 Dual Alternator Battery
Lamp Circuit Malfunction
P1109 IAT - B Sensor
Intermittent
P1110 IAT Sensor (D/C)
Open/Short
P1111 Intake Air Temperature (IAT)
Sensor Circuit Intermittent High
Voltage
P1112 Intake Air Temperature (IAT)
Sensor Circuit Intermittent Low
Voltage
P1113 IAT Sensor Open/Short
P1114 Engine Coolant Temperature
(ECT) Sensor Circuit
Intermittent Low Voltage/IAT - B
Circuit Low Input
P1115 Engine Coolant Temperature
(ECT) Sensor Circuit
Intermittent High Voltage/IAT -
B Circuit High Input
P1116 Engine Coolant sensor out
of range/ECT Sensor Out Of Self
Test Range
P1117 Engine Coolant Sensor
intermittent/ECT Sensor
Intermittent
P1118 Manifold Absolute
Temperature Circuit Low Input
P1119 Manifold Absolute
Temperature Circuit High Input
P1120 Throttle position sensor
out of range
P1121 Throttle Position (TP)
Sensor Circuit Intermittent High
Voltage
P1122 Throttle Position (TP)
Sensor Circuit Intermittent Low
Voltage
P1123 Throttle Position Sensor
In Range But Higher Than
Expected
P1124 Throttle Position Sensor
Out Of Self Test Range
P1125 Throttle position sensor
intermittent
P1126 Throttle Position (Narrow
Range) Sensor Circuit
Malfunction
P1127 Exhaust Not Warm,
Downstream O2 Sensor
P1128 Upstream Heated O2 Sensors
Swapped
P1129 Downstream Heated O2
Sensors Swapped
P1130 Lack Of HO2S Switch -
Adaptive Fuel At Limit
P1131 Lack Of HO2S Switch -
Sensor Indicates Lean
P1132 Lack Of HO2S Switch -
Sensor Indicates Rich
P1133 HO2S Insufficient
Switching Sensor 1
P1134 HO2S Transition Time Ratio
Sensor 1
P1135 Pedal Position Sensor A
Circuit Intermittent
P1136 Fan Control Circuit
Malfunction
P1137 Lack Of HO2S Switch -
Sensor Indicates Lean
P1138 Lack Of HO2S12 Switch -
Sensor Indicates Rich
P1139 Water In Fuel Indicator
Circuit Malfunction
P1140 Water In Fuel Condition
P1141 Fuel Restriction Indicator
Circuit Malfunction
P1142 Fuel Restriction Condition
P1143 Air Assist Control Valve
Range/Performance
P1144 Air Assist Control Valve
Circuit Malfunction
P1150 Lack Of HO2S21 Switch -
Adaptive Fuel At Limit
P1151 Lack Of HO2S21 Switch -
Sensor Indicates Lean
P1152 Lack Of HO2S21 Switch -
Sensor Indicates Rich
P1153 Bank 2 Fuel Control
Shifted Lean
P1154 Bank 2 Fuel Control
Shifted Rich
P1155 Alternative Fuel
Controller
P1156 Fuel Select Switch
Malfunction
P1157 Lack Of HO2S22 Switch -
Sensor Indicates Lean
P1158 Lack Of HO2S22 Switch -
Sensor Indicates Rich
P1159 Fuel Stepper Motor
Malfunction
P1167 Invalid Test,throttle not
depressed
P1168 Fuel Rail Sensor In-Range
Low Failure
P1169 Fuel Rail Sensor In-Range
High Failure
P1170 ESO - Engine Shut Off
Solenoid Fault
P1171 Rotor Sensor Fault
P1172 Rotor Control Fault
P1173 Rotor Calibration Fault
P1174 Cam Sensor Fault
P1175 Cam Control Fault
P1176 Cam Calibration Fault
P1177 Synchronization Fault
P1178 ( open )
P1180 Fuel Delivery System
Malfunction - Low
P1181 Fuel Delivery System
Malfunction - High
P1182 Fuel Shut Off Solenoid
Malfunction
P1183 Engine Oil Temperature
Circuit Malfunction
P1184 Engine Oil Temperature Out
Of Self Test Range
P1185 FTS High - Fuel Pump
Temperature Sensor High
P1186 FTS Low - Fuel Pump
Temperature Sensor Low
P1187 Variant Selection
P1188 Calibration Memory Fault
P1189 Pump Speed Signal Fault
P1190 Calibration Resistor Out
Of Range
P1191 Key Line Voltage
P1192 Voltage External
P1193 EGR Drive Overcurrent
P1194 ECU A/D Converter
P1195 SCP HBCC Failed To
Initialize
P1196 Key Off Voltage High
P1197 Key Off Voltage Low
P1198 Pump Rotor Control
Underfueling
P1199 Fuel Level Input Circuit
Low
P1200 Injector Control Circuit
P1201 Injector Circuit Open /
Shorted - Cylinder #1
P1202 Injector Circuit Open /
Shorted - Cylinder #2
P1203 Injector Circuit Open /
Shorted - Cylinder #3
P1204 Injector Circuit Open /
Shorted - Cylinder #4
P1205 Injector Circuit Open /
Shorted - Cylinder #5
P1206 Injector Circuit Open /
Shorted - Cylinder #6
P1209 Injector Control Pressure
System Fault
P1210 Injector Control Pressure
Above Expected Level
P1211 Injector Control Pressure
Sensor Above / Below Desired
P1212 Injector Control Pressure
Not Detected During Crank
P1213 Start Injector Circuit
Malfunction
P1214 Pedal Position Sensor B
Circuit Intermittent
P1215 Pedal Position Sensor C
Circuit Low Input
P1216 Pedal Position Sensor C
Circuit High Input
P1217 Pedal Position Sensor C
Circuit Intermittent
P1218 CID High
P1219 CID Low
P1220 Series Throttle Control
System Malfunction
P1221 Traction Control System
Malfunction
P1222 Traction Control Output
Circuit Malfunction
P1223 Pedal Demand Sensor B
Circuit High Input
P1224 Throttle Position Sensor B
Out Of Self Test Range
P1225 Needle Lift Sensor
Malfunction
P1226 Control Sleeve Sensor
Malfunction
P1227 Wastegate Failed Closed
(Over Pressure)
P1228 Wastegate Failed Open (Under
Pressure)
P1229 Intercooler Pump Driver
Fault
P1230 Fuel Pump Low Speed
Malfunction
P1231 Fuel Pump Secondary
Circuit Low, High Speed
P1232 Fuel Pump Speed Primary
Circuit Malfunction
P1233 Fuel Pump Driver Module
Off Line
P1234 Fuel Pump Driver Module
Off Line
P1235 Fuel Pump Control Out Of
Range
P1236 Fuel Pump Control Out Of
Range
P1237 Fuel Pump Secondary
Circuit Malfunction
P1238 Fuel Pump Secondary
Circuit Malfunction
P1239 Speed Fuel Pump Positive
Feed Fault
P1240 Sensor Power Supply
Malfunction
P1241 Sensor Power Supply Low
Input
P1242 Sensor Power Supply High
Input
P1243 Second Fuel Pump Faulty or
Ground Fault
P1244 Alternator Load Input
Failed High
P1245 Alternator Load Input
Failed Low
P1246 Alternator Load Input
Failed
P1247 Turbo Boost Pressure Low
P1248 Turbo Boost Pressure Not
Detected
P1249 Wastegate Control Valve
Performance
P1250 PRC Solenoid Circuit
Malfunction
P1251 Air Mixture Solenoid
Circuit Malfunction
P1252 Pedal Correlation PDS1 and
LPDS High
P1253 Pedal Correlation PDS1 and
LPDS Low
P1254 Pedal Correlation PDS2 and
LPDS High
P1255 Pedal Correlation PDS2 and
LPDS Low
P1256 Pedal Correlation PDS1 and
HPDS
P1257 Pedal Correlation PDS2 and
HPDS
P1258 Pedal Correlation PDS1 and
PDS2
P1259 Immobilizer to PCM Signal
Error
P1260 THEFT Detected, Vehicle
Immobilzed
P1261 Cylinder #1 High To Low
Side Short
P1262 Cylinder #2 High To Low
Side Short
P1263 Cylinder #3 High To Low
Side Short
P1264 Cylinder #4 High To Low
Side Short
P1265 Cylinder #5 High To Low
Side Short
P1266 Cylinder #6 High To Low
Side Short
P1267 Cylinder #7 High To Low
Side Short
P1268 Cylinder #8 High To Low
Side Short
P1269 Immobilizer Code Not
Programmed
P1270 Engine RPM Or Speed
Limiter Reached
P1271 Cylinder #1 High To Low
Side Open
P1272 Cylinder #2 High To Low
Side Open
P1273 Cylinder #3 High To Low
Side Open
P1274 Cylinder #4 High To Low
Side Open
P1275 Cylinder #5 High To Low
Side Open
P1276 Cylinder #6 High To Low
Side Open
P1277 Cylinder #7 High To Low
Side Open
P1278 Cylinder #8 High To Low
Side Open
P1280 Injection Control Pressure
Out Of Range Low
P1281 Injection Control Pressure
Out Of Range High
P1282 Excessive Injection
Control Pressure
P1283 IPR Circuit Failure
P1284 Aborted KOER - ICP Failure
P1285 Cylinder head over temp
sensed
P1286 Fuel Pulse In Range But
Lower Than Expected
P1287 Fuel Pulse In Range But
Higher Than Expected
P1288 Cylinder Head Temp Sensor
Out Of Self Test Range
P1289 Cylinder Head Temp Sensor
High Input
P1290 Cylinder Head Temp Sensor
Low Input
P1291 Injector High Side Short
To GND Or VBATT - Bank 1
P1292 Injector High Side Short
To GND Or VBATT - Bank 2
P1293 Injector High Side Open -
Bank 1
P1294 Injector High Side Open -
Bank 2/Target idle not reached
P1295 Multi-faults - Bank 1 -
With Low Side Shorts
P1296 Multi-faults - Bank 2 -
With Low Side Shorts
P1297 Injector High Sides
Shorted Together
P1298 IDM Failure
P1299 Cylinder Head
Overtemperature Protection
Active
P1300 Boost Calibration Fault
P1301 Boost Calibration High
P1302 Boost Calibration Low
P1303 EGR Calibration Fault
P1304 EGR Calibration High
P1305 EGR Calibration Low
P1306 Kickdown Relay Pull - In
Circuit Fault
P1307 Kickdown Relay Hold
Circuit Fault
P1308 A/C Clutch Circuit Fault
P1309 Misfire Monitor AICE Chip
Fault
P1313 Misfire Rate Catalyst
Damage Fault - Bank 1
P1314 Misfire Rate Catalyst
Damage Fault - Bank 2
P1315 Persistent Misfire
P1316 Injector Circuit / IDM
Codes Detected
P1317 Injector Circuit / IDM
Codes Not Updated
P1336 Crank / Cam Sensor Range /
Performance
P1340 Camshaft Position Sensor B
Circuit Malfunction
P1341 Camshaft Position Sensor B
Range / Performance
P1345 SGC (Cam Position) Sensor
Circuit Malfunction/ Crankshaft
Position - Camshaft Position
Correlation
P1346 Fuel Level Sensor B
Circuit Malfunction
P1347 Fuel Level Sensor B Range
/ Performance
P1348 Fuel Level Sensor B
Circuit Low
P1349 Fuel Level Sensor B
Circuit High
P1350 Fuel Level Sensor B
Intermittent/Bypass Line Monitor
P1351 IDM Input Circuit
Malfunction/ Ignition Coil
Control Circuit High Voltage
P1352 Ignition Coil A Primary
Circuit Malfunction
P1353 Ignition Coil B Primary
Circuit Malfunction
P1354 Ignition Coil C Primary
Circuit Malfunction
P1355 Ignition Coil D Primary
Circuit Malfunction
P1360 Ignition Coil A Secondary
Circuit Malfunction
P1361 Ignition Control (IC)
Circuit Low Voltage
P1362 Ignition Coil C Secondary
Circuit Malfunction
P1363 Ignition Coil D Secondary
Circuit Malfunction
P1364 Ignition Coil Primary
Circuit Failure
P1365 Ignition Coil Secondary
Circuit Failure
P1366 Ignition Spare
P1367 Ignition Spare
P1368 Ignition Spare
P1369 Engine Temperature Light
Monitor Failure
P1370 Insufficient RMP Increase
During Spark Test
P1371 Ignition Coil - Cylinder 1
- Early Activation Fault
P1372 Ignition Coil - Cylinder 2
- Early Activation Fault
P1373 Ignition Coil - Cylinder 3
- Early Activation Fault
P1374 Crankshaft Position (CKP)/Ignition
Coil - Cylinder 4 - Early
Activation Fault
P1375 Ignition Coil - Cylinder 5
- Early Activation Fault
P1376 Ignition Coil - Cylinder 6
- Early Activation Fault
P1380 Misfire Detected - Rough
Road Data Not Available
P1381 Variable Cam Timing
Overadvanced (Bank #1)/ Misfire
Detected - No Communication with
BCM
P1382 Variable Cam Timing
Solenoid #1 Circuit Malfunction
P1383 Variable Cam Timing
Overretarded (Bank #1)
P1384 VVT Solenoid A Malfunction
P1385 Variable Cam Timing
Solenoid B Malfunction
P1386 Variable Cam Timing
Overadvanced (Bank #2)
P1387 Variable Cam Timing
Solenoid #2 Circuit Malfunction
P1388 Variable Cam Timing
Overretarded (Bank #2)
P1389 Glow Plug Circuit High
Side Low Input
P1390 Octane Adjust Pin Out Of
Self Test Range
P1391 Glow Plug Circuit Low
Input (Bank #1)
P1392 Glow Plug Circuit High
Input (Bank #1)
P1393 Glow Plug Circuit Low
Input (Bank #2)
P1394 Glow Plug Circuit High
Input (Bank #2)
P1395 Glow Plug Monitor Fault
(Bank #1)
P1396 Glow Plug Monitor Fault
(Bank #2)
P1397 System Voltage Out Of Self
Test Range
P1398 VVT Solenoid B Circuit
High Input
P1399 Glow Plug Circuit High
Side, High Input
P1400 DPFE Circuit Low Input
P1401 DPFE Circuit High Input
P1402 EGR Metering Orifice
Restricted
P1403 DPFE Sensor Hoses Reversed
P1404 IAT - B Circuit
Malfunction/ Exhaust Gas
Recirculation Closed Position
Performance
P1405 DPFE Sensor Upstream Hose
Off Or Plugged
P1406 Exhaust Gas Recirculation
(EGR) Position Sensor
Performance
P1407 EGR No Flow Detected
P1408 EGR Flow Out Of Self Test
Range
P1409 EVR Control Circuit
Malfunction
P1411 SAI System Incorrect
Downstream Flow Detected
P1413 SAI System Monitor Circuit
Low Input
P1414 SAI System Monitor Circuit
High Input
P1415 Air Pump Circuit
Malfunction/ (AIR) System Bank 1
P1416 Port Air Circuit
Malfunction/ (AIR) System Bank 2
P1417 Port Air Relief Circuit
Malfunction
P1418 Split Air #1 Circuit
Malfunction
P1419 Split Air #2 Circuit
Malfunction
P1420 Catalyst Temperature
Sensor Failure
P1421 Catalyst Damage
P1422 EGI Temperature Sensor
Failure
P1423 EGI Functionality Test
Failed
P1424 EGI Glow Plug Primary
Failure
P1425 EGI Glow Plug Secondary
Failure
P1426 EGI Mini - MAF Failed Out
Of Range
P1427 EGI Mini - MAF Failed
Short Circuit
P1428 EGI Mini - MAF Failed Open
Circuit
P1429 Electric Air Pump Primary
Failure
P1430 Electric Air Pump
Secondary Failure
P1433 A/C Refrigerant
Temperature Circuit Low
P1434 A/C Refrigerant
Temperature Circuit High
P1435 A/C Refrigerant
Temperature Circuit
Range/Performance
P1436 A/C Evaporator Air
Temperature Circuit Low
P1437 A/C Evaporator Air
Temperature Circuit High
P1438 A/C Evaporator Air
Temperature Circuit
Range/Performance
P1439 Floor Temperature Switch
Circuit Malfunction
P1440 Purge Valve Stuck Open
P1441 Evaporative Emission (EVAP)
System Flow During Non-Purge
Chevrolet Only
P1441 Evaporative Emission (EVAP)
System Flow During Non-Purge
Oldsmobile Only
P1442 Evaporative Emission
Control System Leak Detected
P1443 Evaporative Emission
Control System Control Valve
P1444 Purge Flow Sensor Circuit
Low Input
P1445 Purge Flow Sensor Circuit
High Input
P1446 Evaporative Vac Solenoid
Circuit Malfunction
P1447 ELC System Closure Valve
Flow Fault
P1448 ELC System 2 Fault
P1449 Evaporative Check Solenoid
Circuit Malfunction
P1450 Unable To Bleed Up Fuel
Tank Vacuum
P1451 Evap Emission Control Sys
Vent Control Valve Circuit
P1452 Unable To Bleed - Up
Vacuum in Tank
P1453 Fuel Tank Pressure Relief
Valve Malfunction
P1454 Evaporative System Vacuum
Test Malfunction
P1455 Evap Emission Control Sys
Leak Detected (Gross Leak/No
Flow)
P1456 Fuel Tank Temperature
Sensor Circuit Malfunction
P1457 Unable To Pull Vacuum In
Tank
P1460 Wide open throttle A/C
cutoff relay circuit
P1461 A/C pressure sensor
circuit voltage low
P1462 A/C pressure sensor
circuit voltage high
P1463 A/C Pressure Sensor
Insufficient Pressure Change
P1464 A/C Demand Out of Self
Test Range
P1465 A/C Relay Circuit
Malfunction
P1466 A/C Refrigerant
Temperature Sensor/Circuit
Malfunction
P1467 A/C Compressor Temperature
Sensor Malfunction
P1468 SSPOD Open Circuit or
Closed Circuit Fault
P1469 Low A/C Cycling Period
P1470 A/C Cycling Period Too
Short
P1471 Electrodrive Fan 1
Operational Failure (Driver
Side)
P1472 Electrodrive Fan 2
Operational Failure (Passenger
Side)
P1473 Fan Secondary High With
Fan(s) Off
P1474 Low Fan Control Primary
Circuit Malfunction
P1475 Fan Relay (Low) Circuit
Malfunction
P1476 Fan Relay (High) Circuit
Malfunction
P1477 Additional Fan Relay
Circuit Malfunction
P1478 Cooling Fan Driver Fault
P1479 High Fan Control Primary
Circuit Malfunction
P1480 Fan Secondary Low with Low
Fan On
P1481 Fan Secondary Low With
High Fan On
P1482 SCP
P1483 Power To Fan Circuit
Overcurrent
P1484 Open Power To Ground VCRM
P1485 EGRV Circuit Malfunction
P1486 EGRA Circuit Malfunction
P1487 EGRCHK Solenoid Circuit
Malfunction
P1490 Secondary Air Relief
Solenoid Circuit Malfunction
P1491 Secondary Switch Solenoid
Circuit Malfunction
P1492 APLSOL Solenoid Circuit
Malfunction
P1493 RCNT Solenoid Circuit
Malfunction
P1494 SPCUT Solenoid Circuit
Malfunction
P1495 TCSPL Solenoid Circuit
Malfunction
P1500 Vehicle Speed Sensor
Intermittent
P1501 Vehicle Speed Sensor Out
Of Self Test Range
P1502 Vehicle Speed Sensor
Intermittent Malfunction
P1503 Auxillary Speed Sensor
Fault
P1504 Idle Air Control Circuit
Malfunction
P1505 Idle Air Control System At
Adaptive Clip
P1506 Idle Air Control Overspeed
Error
P1507 Idle Air Control
Underspeed Error
P1508 Idle Control System
Circuit Open
P1509 Idle Control System
Circuit Shorted
P1510 Idle Signal Circuit
Malfunction
P1511 Idle Switch (Electric
Control Throttle) Circuit
Malfunction
P1512 Intake Manifold Runner
Control (Bank 1) Stuck Closed
P1513 Intake Manifold Runner
Control (Bank 2) Stuck Closed
P1514 High Load Neutral/Drive
Fault
P1515 Electric Current Circuit
Malfunction
P1516 IMRC Input Error (Bank 1)
P1517 IMRC Input Error (Bank 2)
P1518 Intake Manifold Runner
Control (Stuck Open)
P1519 Intake Manifold Runner
Control (Stuck Closed)
P1520 Intake Manifold Runner
Control Circuit Malfunction
P1521 Variable Intake Solenoid
#1 Circuit Malfunction
P1522 Variable Intake Solenoid
#2 Circuit Malfunction
P1523 IVC Solenoid Circuit
Malfunction
P1524 Variable Intake Solenoid
System
P1525 Air Bypass Valve System
P1526 Air Bypass System
P1527 Accelerate Warmup Solenoid
Circuit Malfunction
P1528 Subsidiary Throttle Valve
Solenoid Circuit Malfunction
P1529 SCAIR Solenoid Circuit
Malfunction
P1530 A/C Clutch Circuit
Malfunction
P1531 Invalid Test - Accelerator
Pedal Movement
P1532 IMCC Circuit Malfunction,
Bank B
P1533 AAI Circuit Malfunction
P1534 Inertia Switch Activated
P1535 Blower Fan Speed Circuit
Range/Performance
P1536 Parking Brake Switch
Circuit Failure
P1537 Intake Manifold Runner
Control (Bank 1) Stuck Open
P1538 Intake Manifold Runner
Control (Bank 2) Stuck Open
P1539 Power To A/C Clutch
Circuit Overcurrent
P1540 Air Bypass Valve Circuit
Malfunction
P1549 IMCC Circuit Malfunction,
Bank B
P1550 PSPS Out Of Self Test
Range
P1565 Speed Control Command
Switch Out of Range High
P1566 Speed Control Command
Switch Out of Range Low
P1567 Speed Control Output
Circuit Continuity
P1568 Speed Control Unable to
Hold Speed
P1571 Brake Switch Malfunction
P1572 Brake Pedal Switch Circuit
Malfunction
P1573 Throttle Position Not
Available
P1574 Throttle Position Sensor
Disagreement btwn Sensors
P1575 Pedal Position Out of Self
Test Range
P1576 Pedal Position Not
Available
P1577 Pedal Position Sensor
Disagreement btwn Sensors
P1578 ETC Power Less Than Demand
P1579 ETC In Power Limiting Mode
P1580 Electronic Throttle
Monitor PCM Override
P1581 Electronic Throttle
Monitor Malfunction
P1582 Electronic Throttle
Monitor Data Available
P1583 Electronic Throttle
Monitor Cruise Disable
P1584 TCU Detected IPE Circuit
Malfunction
P1585 Throttle Control Unit
Malfunction
P1586 Throttle Control Unit
Throttle Position Malfunction
P1587 Throttle Control Unit
Modulated Command Malfunction
P1588 Throttle Control Unit
Detected Loss of Return Spring
P1589 TCU Unable To Control
Desired Throttle Angle
P1600 Loss of KAM Power; Open
Circuit
P1601 ECM/TCM Serial
Communication Error
P1602 Immobilizer/ECM
Communication Error
P1603 EEPROM Malfunction
P1604 Code Word Unregestered
P1605 Keep Alive Memory Test
Failure
P1606 ECM Control Relay O/P
Circuit Malfunction
P1607 MIL O/P Circuit
Malfunction
P1608 Internal ECM Malfunction
P1609 Diagnostic Lamp Driver
Fault
P1610 SBDS Interactive Codes
P1611 SBDS Interactive Codes
P1612 SBDS Interactive Codes
P1613 SBDS Interactive Codes
P1614 SBDS Interactive Codes
P1615 SBDS Interactive Codes
P1616 SBDS Interactive Codes
P1617 SBDS Interactive Codes
P1618 SBDS Interactive Codes
P1619 SBDS Interactive Codes
P1620 SBDS Interactive Codes
P1621 Control Module Long Term
Memory Performance/ Immobilizer
Code Words Do Not Match
P1622 Immobilizer ID Does Not
Match
P1623 Immobilizer Code Word/ID
Number Write Failure
P1624 Anti Theft System
P1625 B+ Supply To VCRM Fan
Circuit Malfunction
P1626 Theft Deterrent Fuel
Enable Signal Not Received/ B+
Supply To VCRM A/C Circuit
Malfunction
P1627 Module Supply Voltage Out
Of Range
P1628 Module Ignition Supply
Input Malfunction
P1629 Internal Voltage Regulator
Malfunction
P1630 Internal Vref Malfunction
P1631 Theft Deterrent Start
Enable Signal Not Correct/ Main
Relay Malfunction (Power Hold)
P1632 Smart Alternator Faults
Sensor/Circuit Malfunction
P1633 KAM Voltage Too Low
P1634 Data Output Link Circuit
Failure
P1635 Tire / Axle Ratio Out of
Acceptable Range
P1636 Inductive Signature Chip
Communication Error
P1637 Can Link ECM/ABSCM Circuit
/ Network Malfunction
P1638 Can Link ECM/INSTM Circuit
/ Network Malfunction
P1639 Vehicle ID Block Corrupted
or Not Programmed
P1640 Powertrain DTCs Available
in Another Module
P1641 Fuel Pump Primary Circuit
Failure
P1642 Fuel Pump Monitor Circuit
High Input
P1643 Fuel Pump Monitor Circuit
Low Input
P1644 Fuel Pump Speed Control
Circuit Malfunction
P1645 Fuel Pump Resistor Switch
Circuit Malfunction
P1650 PSP Switch Out of Self
Test Range
P1651 PSP Switch Input
Malfunction
P1652 IAC Monitor Disabled by
PSP Switch Failed On
P1653 Power Steering Output
Circuit Malfunction
P1654 Recirculation Override
Circuit Malfunction
P1655 Starter Disable Circuit
Malfunction
P1660 Output Circuit Check
Signal High
P1661 Output Circuit Check
Signal Low
P1662 IDM_EN Circuit Failure
P1663 Fuel Demand Command Signal
Circuit Malfunction
P1667 CI Circuit Malfunction
P1668 PCM - IDM Communications
Error
P1670 Electronic Feedback Signal
Not Detected
P1680 Metering Oil Pump
Malfunction
P1681 Metering Oil Pump
Malfunction
P1682 Metering Oil Pump
Malfunction
P1683 Metering Oil Pump
Temperature Sensor Circuit
Malfunction
P1684 Metering Oil Pump Position
Sensor Circuit Malfunction
P1685 Metering Oil Pump Stepping
Motor Circuit Malfunction
P1686 Metering Oil Pump Stepping
Motor Circuit Malfunction
P1687 Metering Oil Pump Stepping
Motor Circuit Malfunction
P1688 Metering Oil Pump Stepping
Motor Circuit Malfunction
P1689 Oil Pressure Control
Solenoid Circuit Malfunction
P1690 Wastegate Solenoid Circuit
Malfunction
P1691 Turbo Pressure Control
Solenoid Circuit Malfunction
P1692 Turbo Control Solenoid
Circuit Malfunction
P1693 Turbo Charge Control
Circuit Malfunction
P1694 Turbo Charge Relief
Circuit Malfunction
P1700 Transmission Indeterminate
Failure (Failed to Neutral)
P1701 Reverse Engagement Error
P1702 TRS Circuit Intermittent
Malfunction
P1703 Brake Switch Out Of Self
Test Range
P1704 Digital TRS Failed to
Transition States in KOEO / KOER
P1705 Not in P or N During KOEO
/ KOER
P1706 High Vehicle Speed
Observed in Park
P1707 Transfer Case Neutral
Indicator Hard Fault Present
P1708 Clutch Switch Circuit
Malfunction
P1709 PNP Switch Out Of Self
Test Range
P1711 TFT Sensor Out Of Self
Test Range
P1712 Trans Torque Reduction
Request Signal Malfunction
P1713 TFT Sensor In Range
Failure Low Value
P1714 SSA Inductive Signature
Malfunction
P1715 SSB Inductive Signature
Malfunction
P1716 SSC Inductive Signature
Malfunction
P1717 SSD Inductive Signature
Malfunction
P1718 TFT Sensor In Range
Failure High
P1720 Vehicle Speed (Meter)
Circuit Malfunction
P1721 Gear 1 Incorrect Ratio
P1722 Gear 2 Incorrect Ratio
P1723 Gear 3 incorrect Ratio
P1724 Gear 4 Incorrect Ratio
P1725 Insufficient Engine Speed
Increase During Self Test
P1726 Insufficient Engine Speed
Decrease During Self Test
P1727 Coast Clutch Solenoid
Inductive Signature Malfunction
P1728 Transmission Slip Error
P1729 4x4 Low Switch Error
P1730 Gear Control Malfunction
2,3,5
P1731 1-2 Shift Malfunction
P1732 2-3 Shift Malfunction
P1733 3-4 Shift Malfunction
P1734 Gear Control Malfunction
P1735 First Gear Switch Circuit
Malfunction
P1736 Second Gear Switch Circuit
Malfunction
P1737 Lockup Solenoid System
P1738 Shift Time Error
P1739 Slip Solenoid System
P1740 Torque Converter Clutch
Inductive Signature Malfunction
P1741 Torque Converter Clutch
Control Error
P1742 Torque Converter Clutch
Solenoid Failed On
P1743 Torque Converter Clutch
Solenoid Failied On
P1744 Torque Converter Clutch
System Performance
P1745 Line Pressure Solenoid
System
P1746 Pressure Control Solenoid
"A" Open Circuit
P1747 Pressure Control Solenoid
"A" Short Circuit
P1748 EPC Malfunction
P1749 Pressure Control Solenoid
Failed Low
P1751 Shift Solenoid A
Performance
P1754 Coast Clutch Solenoid
Circuit Malfunction
P1755 Intermediate Speed Sensor
(ISS) Malfunction
P1756 Shift Solenoid B
Performance
P1760 Pressure Control Solenoid
"A" Short Circuit
P1761 Shift Solenoid C
Performance
P1762 Overdrive Band Failed Off
P1765 Timing Solenoid Circuit
Malfunction
P1767 Torque Converter Clutch
Circuit Malfunction
P1768 Performance / Normal /
Winter Mode Input Malfunction
P1769 AG4 Transmission Torque
Modulation Fault
P1770 Clutch Solenoid Circuit
Malfunction
P1775 Transmission System MIL
Fault
P1776 Ignition Retard Request
Duration Fault
P1777 Ignition Retard Request
Circuit Fault
P1778 Transmission Reverse I/P
Circuit Malfunction
P1779 TCIL Circuit Malfunction
P1780 Trans Control Switch (O/D
Cancel) Out of Self Test Range
P1781 4X4 Switch Out of Self
Test Range
P1782 P/ES Circuit Out Of Self
Test Range
P1783 Transmission
Overtemperature Condition
P1784 Transmission Mechanical
Failure - First And Reverse
P1785 Transmission Mechanical
Failure - First And Second
P1786 3-2 Downshift Error
P1787 2-1 Downshift Error
P1788 Pressure Control Solenoid
"B" Open Circuit
P1789 Pressure Control Solenoid
"B" Short Circuit
P1790 TP (Mechanical) Circuit
Malfunction
P1791 TP (Electric) Circuit
Malfunction
P1792 Barometer Pressure Circuit
Malfunction
P1793 Intake Air Volume Circuit
Malfunction
P1794 Battery Voltage Circuit
Malfunction
P1795 Idle Switch Circuit
Malfunction
P1796 Kick Down Switch Circuit
Malfunction
P1797 Neutral Switch Circuit
Malfunction
P1798 Coolant Temperature
Circuit Malfunction
P1799 Hold Switch Circuit
Malfunction
P1800 Transmission Clutch
Interlock Safety Switch Circuit
Failure
P1801 Transmission Clutch
Interlock Safety Switch Open
Circuit
P1802 Transmission Clutch
Interlock Safety Switch Short
Circuit To Battery
P1803 Transmission Clutch
Interlock Safety Switch Short
Circuit To Ground
P1804 Transmission 4-Wheel Drive
High Indicator Circuit Failure
P1805 Transmission 4-Wheel Drive
High Indicator Open Circuit
P1806 Transmission 4-Wheel Drive
High Indicator Short Circuit To
Battery
P1807 Transmission 4-Wheel Drive
High Indicator Short Circuit To
Ground
P1808 Transmission 4-Wheel Drive
Low Indicator Circuit Failure
P1809 Transmission 4-Wheel Drive
Low Indicator Open Circuit
P1810 TFP Valve Position Switch
Circuit/ Transmission 4-Wheel
Drive Low Indicator Short
Circuit To Battery
P1811 Transmission 4-Wheel Drive
Low Indicator Short Circuit To
Ground
P1812 Transmission 4-Wheel Drive
Mode Select Circuit Failure
P1813 Transmission 4-Wheel Drive
Mode Select Open Circuit
P1814 Transmission 4-Wheel Drive
Mode Select Short Circuit To
Battery
P1815 Transmission 4-Wheel Drive
Mode Select Short Circuit To
Ground
P1816 Transmission Neutral
Safety Switch Circuit Failure
P1817 Transmission Neutral
Safety Switch Open Circuit
P1818 Transmission Neutral
Safety Switch Short Circuit To
Battery
P1819 Transmission Neutral
Safety Switch Short Circuit To
Ground
P1820 Transmission Transfer Case
Clockwise Shift Relay Coil
Circuit Failure
P1821 Transmission Transfer Case
Clockwise Shift Relay Coil Open
Circuit
P1822 Transmission Transfer Case
Clockwise Shift Relay Coil Short
Circuit To Battery
P1823 Transmission Transfer Case
Clockwise Shift Relay Coil Short
Circuit To Ground
P1824 Transmission 4-Wheel Drive
Clutch Relay Circuit Failure
P1825 Transmission 4-Wheel Drive
Clutch Relay Open Circuit
P1826 Transmission 4-Wheel Drive
Low Clutch Relay Circuit To
Battery
P1827 Transmission 4-Wheel Drive
Low Clutch Relay Circuit To
Ground
P1828 Transmission Transfer Case
Counter Clockwise Shift Relay
Coil Circuit Failure
P1829 Transmission Transfer Case
Counter Clockwise Shift Relay
Coil Open Circuit
P1830 Transmission Transfer Case
Counter Clockwise Shift Relay
Coil Short Circuit To Battery
P1831 Transmission Transfer Case
Counter Clockwise Shift Relay
Coil Short Circuit To Ground
P1832 Transmission Transfer Case
Differential Lock-Up Solenoid
Circuit Failure
P1833 Transmission Transfer Case
Differential Lock-Up Solenoid
Open Circuit
P1834 Transmission Transfer Case
Differential Lock-Up Solenoid
Short Circuit To Battery
P1835 Transmission Transfer Case
Differential Lock-Up Solenoid
Short Circuit To Ground
P1836 Transmission Transfer Case
Front Shaft Speed Sensor Circuit
Failure
P1837 Transmission Transfer Case
Rear Shaft Speed Sensor Circuit
Failure
P1838 Transmission Transfer Case
Shift Motor Circuit Failure
P1839 Transmission Transfer Case
Shift Motor Open Circuit
P1840 Transmission Transfer Case
Shift Motor Short Circuit To
Battery
P1841 Transmission Transfer Case
Shift Motor Short Circuit To
Ground
P1842 Transmission Transfer Case
Differential Lock-Up Feedback
Switch Circuit Failure
P1843 Transmission Transfer Case
Differential Lock-Up Feedback
Switch Open Circuit
P1844 Transmission Transfer Case
Differential Lock-Up Feedback
Switch Short Circuit To Battery
P1845 Transmission Transfer Case
Differential Lock-Up Feedback
Switch Short Circuit To Ground
P1846 Transmission Transfer Case
Contact Plate 'A' Circuit
Failure
P1847 Transmission Transfer Case
Contact Plate 'A' Open Circuit
P1848 Transmission Transfer Case
Contact Plate 'A' Short Circuit
To Battery
P1849 Transmission Transfer Case
Contact Plate 'A' Short Circuit
To Ground
P1850 Transmission Transfer Case
Contact Plate 'B' Circuit
Failure
P1851 Transmission Transfer Case
Contact Plate 'B' Open Circuit
P1852 Transmission Transfer Case
Contact Plate 'B' Short Circuit
To Battery
P1853 Transmission Transfer Case
Contact Plate 'B' Short Circuit
To Ground
P1854 Transmission Transfer Case
Contact Plate 'C' Circuit
Failure
P1855 Transmission Transfer Case
Contact Plate 'C' Open Circuit
P1856 Transmission Transfer Case
Contact Plate 'C' Short Circuit
To Battery
P1857 Transmission Transfer Case
Contact Plate 'C' Short Circuit
To Ground
P1858 Transmission Transfer Case
Contact Plate 'D' Circuit
Failure
P1859 Transmission Transfer Case
Contact Plate 'D' Open Circuit
P1860 TCC PWM Solenoid Circuit
Electrical/ Transmission
Transfer Case Contact Plate 'D'
Short Circuit To Battery
P1861 Transmission Transfer Case
Contact Plate 'D' Short Circuit
To Ground
P1862 Transmission Transfer Case
Contact Plate Power Circuit
Failure
P1863 Transmission Transfer Case
Contact Plate Power Open Circuit
P1864 Transmission Transfer Case
Contact Plate Power Short To
Battery
P1865 Transmission Transfer Case
Contact Plate Power Short To
Ground
P1866 Transmission Transfer Case
System Concern - Servicing
Required
P1867 Transmission Transfer Case
Contact Plate General Circuit
Failure
P1868 Transmission Automatic
4-Wheel Drive Indicator (Lamp)
Circuit Failure
P1869 Transmission Automatic
4-Wheel Drive Indicator (Lamp)
Circuit Short To Battery
P1870 Transmission Component
Slipping/ Transmission
Mechanical Transfer Case 4x4
Switch Circuit Failure
P1871 Transmission Mechanical
Transfer Case 4x4 Switch Circuit
Short To Battery
P1872 Transmission Mechanical
4-Wheel Drive Axle Lock Lamp
Circuit Failure
P1873 Transmission Mechanical
4-Wheel Drive Axle Lock Lamp
Circuit Short To Battery
P1874 Transmission Automatic
Hall Effect Sensor Power Circuit
Failure
P1875 Transmission Automatic
Hall Effect Sensor Power Circuit
Short To Battery / 4WD Low
Switch Circuit Electrical
P1876 Transmission Transfer Case
2-Wheel Drive Solenoid Circuit
Failure
P1877 Transmission Transfer Case
2-Wheel Drive Solenoid Circuit
Short To Battery
P1878 Transmission Transfer Case
Disengaged Solenoid Circuit
Failure
P1879 Transmission Transfer Case
Disengaged Solenoid Open Circuit
P1880 Transmission Transfer Case
Disengaged Solenoid Short to
Battery
P1881 Engine Coolant Level
Switch Circuit Failure, GEM
P1882 Engine Coolant Level
Switch Circuit Short to Ground
P1883 Engine Coolant Level
Switch Circuit Failure, GEM
P1884 Engine Coolant Level Lamp
Circuit Short to Ground
P1885 Transmission Transfer Case
Disengaged Solenoid Short to
Ground
P1886 4X4 Initialization Failure
P1890 Transmission 4WD Mode
Select Return Input Circuit
Failure
P1891 Transmission Transfer Case
Contact Plate Ground Return Open
Circuit
P1900 OSS Circuit Intermittent
Malfunction
P1901 TSS Circuit Intermittent
Malfunction
P1902 Pressure Control Solenoid
"B" Intermittent Short
P1903 Pressure Control Solenoid
"C" Short Circuit
P1904 Pressure Control Solenoid
"C" Open Circuit
P1905 Pressure Control Solenoid
"C" Intermittent Short
P1906 Kickdown Pull Relay Open
or Short Circuit to Ground
P1907 Kickdown Hold Relay Open
or Short Circuit to Ground
P1908 Transmission Pressure
Circuit Solenoid Open or Short
to Ground
P1909 Trans Temp Sensor Circuit
Open or Shorted to Pwr or Gnd
P1910 VFS A Pressure Output
Failed Low
P1911 VFS B Pressure Output
Failed Low
P1912 VFS C Pressure Output
Failed Low
P1913 Pressure Switch A Circuit
Malfunction
P1914 Manually Shifted Automatic
(MSA) Sw Circuit Malf
P1915 Reverse Switch Circuit
Malfunction
P1916 High Clutch Drum Speed
Sensor Malfunction
P1917 High Clutch Drum Speed
Sensor Intermittent
P1918 Transmission Range Display
Circuit Malfunction