Ford F-150 Lightning
P0887
WarningTransmission Control Module (TCM) Power Relay Control Circuit Open
What does P0887 mean?
Fault code P0887 means "Transmission Control Module (TCM) Power Relay Control Circuit Open". This is a Ford-specific EV diagnostic trouble code for the Ford GE1 / Blue Oval BEV platform. It is classified as "network" with a severity level of "warning". Applicable models: Ford F-150 Lightning (2022+), Ford Mustang Mach-E (2021+), Ford E-Transit (2022+).
Possible Causes
- CAN bus communication timeout
- Control module offline or not responding
- Wiring harness damage or short circuit
- Software version mismatch between modules
Recommended Actions
- 1 Schedule service as soon as possible
- 2 Reduce driving speed and avoid long trips
- 3 Monitor for additional warning messages
- 4 Have the vehicle diagnosed by a certified technician
This code applies to all vehicles. View generic P0887 information →