Diagnostic Trouble Code (DTC) Identification
NOTE:
DR refers to Driveability tests, CH refers to Charging System tests, NS refers to No Start tests.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| Trouble Code | System Or Component | Go To Test: |
|---|---|---|
| 12 | Battery Temperature Sensor Calibration | CH2 |
| 12/16 | Battery Voltage Sensing Circuit | CH3 |
| 12/41 | Alternator Field - Low Voltage Output | CH5 |
| 12/41/46 | Alternator Field Output | CH4 |
| 12/46 | Alternator Field Output | CH4 |
| 12/41/47 | Alternator Field - Low Voltage Output | CH5 |
| 12/47 | Alternator Field - Low Voltage Output | CH5 |
| 13 | MAP sensor | DR2, CODES 13 OR 14 |
| 14 | MAP sensor | DR2, CODES 13 OR 14 |
| 15 | Speed Sensor | DR3 |
| 21 | Oxygen (O2) Sensor | DR4 |
| 22 | Coolant sensor | DR5 |
| 23 | Throttle Body Temperature Sensor | DR6 |
| 24 | Throttle Position Sensor | DR7 |
| 25 | Idle Speed Control Motor | DR8 |
| 26 | Injector Drive | NS9 |
| 27 | Injector Interface | NS9 |
| 31 | Purge Solenoid | DR9 |
| 32 | EGR System (California Only) | DR10 |
| 33 | A/C Cut-Out Relay | DR11 |
| 35 | Radiator Fan Assembly | DR12 |
| 36 | Wastegate Solenoid | DR12 |
| 37 | Transmission Lock-Up Solenoid | DR13 |
| 42 | Auto Shutdown Relay | Repair Open In Wiring To Cavity 10 Of The SMEC 60-Pin Connector. |
| 44 | Fused Or Damaged Circuit "J2" | DR14 |
| 45 | Overboost Shutdown | DR15 |
| 47 | Possible Loose Fan Belt | Check Fan Belt. If Code Is Still Present, Go To CH5 |
| 51 | Oxygen Feedback System Locked Lean | DR18 |
| 52 | Oxygen Feedback System Locked Rich | DR18 |
| 53 | SMEC | Replace SMEC |