No Response From TCM (Transmission Control Module): Notes
WARNING: This page is about a different car, the 2018 Fiat 500L. However, it is still accessible from the selected car via links, so may be relevant.
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
| Possible Causes |
|---|
| FUSED B(+) CIRCUIT OPEN OR SHORTED |
| GROUND CIRCUIT OPEN |
| FUSED IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT OPEN OR SHORTED |
| (D65) CAN C BUS (+) CIRCUIT OPEN |
| (D64) CAN C BUS (-) CIRCUIT OPEN |
| TRANSMISSION CONTROL MODULE (TCM) |