DIAGNOSTIC TROUBLE CODE DEFINITION (VAN 5.0L)
| Service Code & Test Condition(s) | Service Code Definition |
|---|---|
| 111 - KOEO, KOER Continuous Memory | System Pass |
| 112 - KOEO, Continuous Memory | ACT indicated 123°C (254°F)/circuit grounded |
| 113 - KOEO, Continuous Memory | ACT indicated -40°C (-40°F)/circuit open |
| 114 - KOEO, KOER | Air Charge Temp (ACT) Sensor out of Self-Test Range |
| 116 - KOEO, KOER | Engine Coolant Temp (ECT) Sensor out of Self-Test Range |
| 117 - KOEO, Continuous Memory | ECT indicated 123°C (254°F)/circuit grounded |
| 118 - KOEO, Continuous Memory | ECT indicated -40°C (-40°F)/circuit open |
| 121 - KOEO, KOER, Continuous Memory | Throttle Position (TP) Sensor out of Self-Test Range |
| 122 - KOEO, Continuous Memory | Throttle Position (TP) circuit below minimum voltage |
| 123 - KOEO, Continuous Memory | Throttle Position (TP) circuit above maximum voltage |
| 126 - KOEO, KOER Continuous Memory | Manifold Absolute Pressure (MAP) Sensor out of Self-Test range |
| 128 - Continuous Memory | MAP vacuum circuit failure |
| 129 - KOER | Insufficient MAP change during Dynamic Response Test |
| 167 - KOER | Insufficient TP change during Dynamic Response Test |
| 171 - Continuous Memory | Fuel system at adaptive limits, Oxygen Sensor (HEGO) unable to switch |
| 172 - KOER, Continuous Memory | Lack of Oxygen Sensor (HEGO) switches, indicates lean |
| 173 - KOER, Continuous Memory | Lack of Oxygen Sensor (HEGO) switches, indicates rich |
| 179 - Continuous Memory | Fuel system at lean adaptive limit at part throttle, system rich |
| 181 - Continuous Memory | Fuel system at rich adaptive limit at part throttle, system lean |
| 211 - Continuous Memory | PIP circuit failure |
| 212 - Continuous Memory | Loss of IDM input to processor/SPOUT circuit grounded |
| 213 - KOER | SPOUT circuit open |
| 225 - KOER | Knock not sensed during Dynamic Response Test |
| 311 - KOER | Thermactor air system inoperative |
| 312 - KOER | Thermactor air upstream during Self-Test |
| 313 - KOER | Thermactor air not bypassed during Self-Test |
| 327 - KOEO, KOER, Continuous Memory | EVP circuit below minimum voltage |
| 328 - KOEO, KOER, Continuous Memory | EVP voltage below closed limit |
| 332 - KOER, Continuous Memory | EGR valve opening not detected |
| 334 - KOEO, KOER, Continuous Memory | EVP voltage above closed limit |
| 337 - KOEO, KOER, Continuous Memory | EVP circuit above maximum voltage |
| 411 - KOER | Cannot control rpm during Self-Test low rpm check |
| 412 - KOER | Cannot control rpm during Self-Test high rpm check |
| 452 - Continuous Memory | Insufficient input from the Programmable Speedometer/Odometer Module (PSOM) |
| 511 - KOEO | EEC processor Read Only Memory (ROM) test failed |
| 512 - Continuous Memory | EEC processor Keep Alive Memory (KAM) test failed |
| 513 - KOEO | Failure in EEC processor internal voltage |
| 522 - KOEO | Vehicle not in PARK or NEUTRAL during KOEO |
| 528 - Continuous Memory | Clutch Switch circuit failure |
| 538 - KOER | Operator error (Dynamic Response Test) |
| 542 - KOEO, Continuous Memory | Fuel Pump circuit open - EEC processor to motor ground |
| 543 - KOEO, Continuous Memory | Fuel Pump circuit open - battery to EEC processor |
| 552 - KOEO | Air Management 1 (AM1) circuit failure |
| 553 - KOEO | Air Management 2 (AM2) circuit failure |
| 556 - KOEO, Continuous Memory | Primary Fuel Pump circuit failure |
| 558 - KOEO | EGR Vacuum Regulator (EVR) circuit failure |
| 565 - KOEO | Canister Purge (CANP) circuit failure |
| 998 - KOER | Hard fault present |
| NO CODES | Unable to initiate Self-Test or unable to output Self-Test Codes |
| CODES NOT LISTED | Service codes displayed are not applicable to the vehicle being tested |
DIAGNOSTIC TROUBLE CODE DEFINITION