DTC C1137-86: Back-Up Light On Request Error Signal Received (BCM): Notes

WARNING: This page is about a different car, the 2020 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

DTC C1137:86 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

Description	Back-up light on request error signal received
Detection condition	BCM receives the error signals from the instrument cluster for 2 s or more with the ignition switched ON (engine off or on).
Fail-safe	Perform the control with back-up light on request signal turned off.
Possible cause	Instrument cluster malfunction BCM malfunction
System wiring diagram	Not applicable