SECTION 18: Diesel Diagnosis 7.3L DI Engine

Diagnostic Trouble Code Description
4 DigitDescriptionPinpoint Test Step Go to Direction
0107BARO Circuit Low InputAC1AC1
0108BARO Circuit High InputAC8AC8
0112IAT Sensor Circuit Low InputC5C8
0113IAT Sensor Circuit High InputC1C8
0122*Accelerator Pedal Sensor Circuit Low InputE5E5
0123*Accelerator Pedal Sensor Circuit High InputE1E1
0195EOT Above/Below KOEO CCT Limits (1995 Model Year)Y10
0196EOT Sensor Circuit PerformanceY10
0197*EOT Sensor Circuit Low InputY4Y6
0198*EOT Sensor Circuit High InputY1Y6
0220*Throttle Switch B Circuit MalfunctionAA1
0221*Throttle Switch B Circuit MalfunctionAA1
0235Map Signal Inactive (1995 Model Year)D5D16
0236*Turbo Boost Sensor A Circuit PerformanceD1D1
0237*MAP Out of Range High/Low (1995 Model Year)D27D27
0237*Turbo Boost Sensor A Circuit Low Input (1996 Model Year)D5D16
0238*Turbo Boost Sensor A Circuit High InputD15D24
0261*Injector Circuit Low Cylinder 1AB1AB1
0262Injector Circuit High Cylinder 1AB6AB6
0263Cylinder 1 Contribution/Balance FaultAB25
0264*Injector Circuit Low Cylinder 2AB1AB1
0265Injector Circuit High Cylinder 2AB6AB6
0266Cylinder 2 Contribution/Balance FaultAB25
0267*Injector Circuit Low Cylinder 3AB1AB1
0268Injector Circuit High Cylinder 3AB6AB6
0269Cylinder 3 Contribution/Balance FaultAB25
0270*Injector Circuit Low Cylinder 4AB1AB1
0271Injector Circuit High Cylinder 4AB6AB6
0272Cylinder 4 Contribution/Balance FaultAB25
0273*Injector Circuit Low Cylinder 5AB1AB1
0274Injector Circuit High Cylinder 5AB6AB6
0275Cylinder 5 Contribution/Balance FaultAB25
0276*Injector Circuit Low Cylinder 6AB1AB1
0277Injector Circuit High Cylinder 6AB6AB6
0278Cylinder 6 Contribution/Balance FaultAB25
0279*Injector Circuit Low Cylinder 7AB1AB1
0280Injector Circuit High Cylinder 7AB6AB6
0281Cylinder 7 Contribution/Balance FaultAB25
0282*Injector Circuit Low Cylinder 8AB1AB1
0283Injector Circuit High Cylinder 8AB6AB6
0284Cylinder 8 Contribution/Balance FaultAB25
0340CMP Sensor Circuit MalfunctionG1G1
0341*CMP Sensor Circuit PerformanceG1G1
0344CMP Sensor Circuit IntermittentG1G1
0380Glow Plug Circuit MalfunctionS1
0381Glow Plug Indicator Circuit MalfunctionR1
0470Exhaust Back Pressure Sensor Circuit MalfunctionH1H3
0471Exhaust Back Pressure Sensor Circuit PerformanceH5
0472Exhaust Back Pressure Sensor Circuit Low InputH9H9
0473Exhaust Back Pressure Sensor Circuit High InputH15H15
0475Exhaust Pressure Control Valve MalfunctionM1
0476Exhaust Pressure Control Valve PerformanceM7M7
0478Exhaust Pressure Control Valve High InputH17
0500Vehicle Speed Sensor MalfunctionJ1
0560System Voltage MalfunctionA1
0562System Voltage LowA1A1
0563System Voltage HighA1A1
0565Cruise "On" Signal MalfunctionF1
0566Cruise "Off" Signal MalfunctionF1
0567Cruise "Resume" Signal MalfunctionF1
0568Cruise "Set" Signal MalfunctionF1
0569Cruise "Coast" Signal MalfunctionF1
0571Brake Switch A Circuit MalfunctionP1
0603Internal Control Module KAM ErrorAH1AH1
0605Internal Control Module ROM ErrorAG1AG1
0606PCM Processor FaultAJ1
0703Brake Switch B Circuit MalfunctionK1
0704Clutch Pedal Position Switch Input Circuit MalfunctionN1
0705**TR Sensor Circuit MalfunctionAM1AM1AM1
0707**TR Sensor Circuit Low InputAM1AM1
0708**TR Sensor Circuit High InputAM1AM1
0712Transmission Fluid Temp. Sensor CKT Low InputAN1AN1AN9
0713Transmission Fluid Temp. Sensor CKT High InputAN3AN3AN11
0741TCC Circuit PerformanceAL1
0750Shift Solenoid 1 MalfunctionAL1
0755Shift Solenoid 2 MalfunctionAL1
0781**1-2 Shift MalfunctionTransmission Service ManualTransmission Service ManualTransmission Service Manual
0782**2-3 Shift MalfunctionTransmission Service ManualTransmission Service ManualTransmission Service Manual
0783**3-4 Shift MalfunctionTransmission Service ManualTransmission Service ManualTransmission Service Manual
1111System PassPassPassPass
1211*ICP Not Controllable Pressure Above/Below DesiredX14X7X14
1212*ICP Voltage Not at Expected LevelZ11Z14
1218CID Stuck HighV9V9
1219CID Stuck LowV12V12
1261High to Low Side Short Cylinder 1AB6AB6
1262High to Low Side Short Cylinder 2AB6AB6
1263High to Low Side Short Cylinder 3AB6AB6
1264High to Low Side Short Cylinder 4AB6AB6
1265High to Low Side Short Cylinder 5AB6AB6
1266High to Low Side Short Cylinder 6AB6AB6
1267High to Low Side Short Cylinder 7AB6AB6
1268High to Low Side Short Cylinder 8AB6AB6
1271High to Low Side Open Cylinder 1AB11AB11
1272High to Low Side Open Cylinder 2AB11AB11
1273High to Low Side Open Cylinder 3AB11AB11
1274High to Low Side Open Cylinder 4AB11AB11
1275High to Low Side Open Cylinder 5AB11AB11
1276High to Low Side Open Cylinder 6AB11AB11
1277High to Low Side Open Cylinder 7AB11AB11
1278High to Low Side Open Cylinder 8AB11AB11
1280*ICP Circuit Out of Range LowZ1Z1
1281*ICP Circuit Out of Range HighZ8Z8
1282Excessive ICPX5X5
1283*IPR Circuit FailureX1
1284ICP Failure Aborts KOER or CCT TestZ21
1291High Side No. 1 (Right) Short to GND or B+AB16AB16
1292High Side No. 2 (Left) Short to GND or B+AB16AB16
1293High Side Open Bank No. 1 (Right)AB20AB20
1294High Side Open Bank No. 2 (Left)AB20AB20
1295*Multiple Faults on Bank No. 1 (Right)AB29AB29
1296*Multiple Faults on Bank No. 2 (Left)AB29AB29
1297High Sides Shorted TogetherAB27AB27
1298IDM FailureV1V1
1464A/C On During KOER or CCT TestAE1
1501Vehicle Moved During TestingRepeat Test
1531Invalid Test Accelerator Pedal MovementRepeat Test
1536Parking Brake Applied FailureQ1
1660Output Circuit Check Signal HighAR1AR1
1661Output Circuit Check Signal LowAS1AS1
1662IDM__EN Circuit FailureW1
1663FDCS Circuit FailureT1
1667CID Circuit FailureV1
1668PCM IDM Diagnostic Communication ErrorU1U1
1705TR Sensor out of Self Test RangeAM1AM1AM1
1706**High Vehicle Speed in ParkAM1
1711TFT Sensor Out of Self Test RangeAN7AN7AN7
1728**Transmission Slip Error Converter Clutch FailedTransmission Service ManualTransmission Service ManualTransmission Service Manual
17294x4L Switch ErrorAD1AD1
1746EPC Solenoid Open CircuitAL2
1747EPC Solenoid Short CircuitAL2
1748**EPC MalfunctionAL2
1754CCS (Solenoid) Circuit MalfunctionAL1
1779TCIL Circuit MalfunctionAK15AK15
1780TCS Circuit out of Self Test RangeAK1
17814x4L Circuit out of Self Test RangeAD1AD1
1783**Transmission Overtemperature ConditionAN13
No CodeNo CommunicationAF1
No CodeAuxiliary Powertrain Control SystemAPAPAP
No CodeTachometerAQAQAQ

* Check Engine light Illuminates when fault is present.

** Transmission Control Indicator Light (TCIL) flashes when fault is present.

Note: Speed control DTCs will be set during KOER Switch Test if the vehicle is not equipped with speed control. This is a normal condition. On these vehicles ignore the following DTCs 0565-0566-0567-0568-0569.