The most common causes of P0887 include: CAN bus communication timeout; Control module offline or not responding; Wiring harness damage or short circuit; Software version mismatch between modules. A professional OBD-II scan tool is recommended for accurate diagnosis.

Recommended steps to address P0887: (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. Always consult a qualified EV technician for high-voltage system repairs.

Is it safe to drive with P0887?

Driving with P0887 is not recommended for extended distances. Schedule service within a few days to prevent further damage. Monitor for any additional warning lights.

P0887

Warning

Transmission Control Module (TCM) Power Relay Control Circuit Open

Severity

Warning

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