Transmission Control Module (TCM) DTC Chart
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
TRANSMISSION CONTROL MODULE (TCM) DTC CHART
| DTC | Description | Action |
|---|---|---|
| P1260 | Theft Detected, Vehicle Immobilized | If there are any Passive Anti-Theft System (PATS) DTCs present in the Instrument Cluster (IC), ADDRESS them first. REFER to DTC CHARTS . This DTC can also indicate a Controller Area Network (CAN) or a parameter reset concern. Make sure to verify if there are any communication concerns/DTCs with any modules. REFER to DTC CHARTS . If DTC P1260 is the only DTC present, there can be a parameter reset concern, an intermittent power or ground concern with the Transmission Control Module (TCM). REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET . If necessary, CHECK the powers and ground to the TCM and PCM. REFER to the appropriate SYSTEM WIRING DIAGRAMS article to determine the power and ground circuits. |
| P1602 | Immobilizer/ECM Communication Error |
NOTE:
If IC
DTC U2510 is present, address IC
DTC U2510 first. GO to PINPOINT TEST I . |
| P1622 | Immobilizer ID Does Not Match | CARRY OUT a parameter reset of the IC and the Transmission Control Module (TCM) and CYCLE the ignition 3-5 times, making an attempt to start the vehicle each key cycle. REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET . CLEAR the DTCs. CYCLE the ignition. REPEAT the self-test. |
| All other DTCs | - | REFER to the INTRODUCTION - HYBRID . |