OBD-II code · Chassis
C0265 EBCM Relay Circuit
The Electronic Brake Control Module has detected a fault in its main supply relay circuit. Without proper relay supply the EBCM cannot operate the hydraulic unit and ABS as well as stability control are disabled.
Is it safe to drive with C0265?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyEBCM relay failed
- PossibleInternal EBCM fault (relay integrated)
- Less likelyPower supply wiring or fuse fault
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Ebcm Relay, Ebcm Module, Power Supply Wiring
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.