Transmission Control Module (TCM)
TRANSMISSION CONTROL MODULE (TCM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| P1260 | Theft Detected, Vehicle Immobilized | If there are any PATS DTCs present in the IC, ADDRESS them first. This DTC may also indicate a controller area network (CAN) or a parameter reset concern. Be sure to verify if there are any communication issues/DTCs with any modules. See SYMPTOM TROUBLESHOOTING CHART - COMMUNICATIONS NETWORK . If DTC P1260 is the only DTC present, there can be a parameter reset, an intermittent power or ground issue with the TCM. See PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET . If necessary, CHECK the powers and ground to the TCM and PCM. See the SYSTEM WIRING DIAGRAMS to determine the power and ground circuits. |
| All other DTCs | - | See DIAGNOSTIC TROUBLE CODE (DTC) CHART - POWERTRAIN CONTROL MODULE (PCM) . |