Diagnostic Trouble Code (DTC) Identification
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| Fault Code | Fault Condition |
|---|---|
| 1000 | Ignition Line Low |
| 1001 | Ignition Line High |
| 1002 | Checking Vehicle Configuration |
| 1004 | Battery Voltage Low |
| 1005 | Sensor Ground Line Out Of Limits |
| 1010 | Diagnostic Enable Line Low |
| 1011 | Diagnostic Enable Line High |
| 1012 | Ignition Control Module Line Low |
| 1013 | Ignition Control Module Line High |
| 1014 | Fuel Pump Line Low |
| 1015 | Fuel Pump Line High |
| 1016 | Manifold Air Temperature (MAT) Sensor Line Low |
| 1017 | Manifold Air Temperature (MAT) Sensor Line High |
| 1021 | No Start Due To Mechanical, Fuel Or Ignition Problem |
| 1022 | Start Line Low |
| 1024 | ECU Does Not See Start Signal |
| 1027 | ECU Sees Wide Open Throttle (WOT) |
| 1028 | ECU Does Not See Wide Open Throttle (WOT) |
| 1031 | ECU Sees Closed Throttle |
| 1032 | ECU Does Not See Closed Throttle |
| 1033 | Idle Speed Increase Line Low |
| 1034 | Idle Speed Increase Line High |
| 1035 | Idle Speed Decrease Line Low |
| 1036 | Idle Speed Decrease Line High |
| 1037 | Throttle Position Sensor (TPS) Reads Low |
| 1038 | Park/Neutral Line High |
| 1040 | Latched B+ Line Low |
| 1041 | Latched B+ Line High |
| 1042 | No Latched B+ .5 Volt Drop |
| 1048 | Manual Vehicle Equipped With Automatic ECU |
| 1049 | Automatic Vehicle Equipped With Manual ECU |
| 1050 | Idle Speed Less Than 500 RPM |
| 1051 | Idle Speed Greater Than 2000 RPM |
| 1052 | Map Sensor Out Of Limits |
| 1053 | Change In Map Reading Out Of Limits |
| 1054 | Coolant Temperature Sensor Line Low |
| 1055 | Coolant Temperature Sensor Line High |
| 1056 | Inactive Coolant Temperature Sensor |
| 1059 | A/C Request Line Low |
| 1060 | A/C Request Line High |
| 1061 | A/C Select Line Low |
| 1062 | A/C Select Line High |
| 1063 | A/C Clutch Line Low |
| 1064 | A/C Clutch Line High |
| 1065 | O2 Sensor Reads Rich |
| 1066 | O2 Sensor Reads Lean |
| 1067 | Latch Relay Line Low |
| 1068 | Latch Relay Line High |
| 1069 | No Tach |
| 1070 | A/C Cut-Out Line Low |
| 1071 | A/C Cut-Out Line High |
| 1073 | ECU Does Not See Speed Sensor Signal |
| 1200 | ECU Defective |
| 1202 | All Injectors Shorted To Ground |
| 1209 | All Injectors Open |
| 1218 | No Voltage At ECU From B+ Latch Relay |
| 1220 | No Voltage At ECU From EGR Solenoid |
| 1221 | No Injector Voltage |
| 1222 | Ignition Control Module Not Grounded |
| 1223 | No ECU Tests Run |