Pinpoint Test N : Lost Communication With TRCM (Transmission Range Control Module): Notes
WARNING: This page is about a different car, the 2015 Lincoln MKZ. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Overview
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to: Diagnostic Methods .
Refer to Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The GSM and TRCM communicate on the High Speed 2 CAN. The PCM is on the High Speed 1 CAN. The GWM passes this information from HS2 CAN to HS1 CAN.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U019E | Lost Communication With Transmission Range Control Module | This DTC sets if the GSM does not receive some or all of an expected message from the TRCM. |
Possible Sources
- Connectors damaged or pushed-out terminals, circuitry open, shorted to power or shorted to ground
- BCM fuse 76 (20A)
- BCM fuse 23 (15A)
- TRCM