C0265 — ABS EBCM Motor Relay Circuit
Seen on: Heavy Truck
ABS EBCM Motor Relay Circuit. Common causes: ABS relay driver circuit fault in EBCM.
Your code rides along, so nearby mechanics see the fault before they quote you.
How serious is it?
Serious. Power derate likely — plan to stop soon.
Most likely causes
- ABS relay driver circuit fault in EBCM
- Failed EBCM
- relay circuit damage
First moves (roadside)
- Check EBCM power/ground
- test relay
- replace EBCM if relay confirmed good
FAQ
ABS EBCM Motor Relay Circuit. Common causes: ABS relay driver circuit fault in EBCM.
Serious — Power derate likely — plan to stop soon.
The most common cause is: ABS relay driver circuit fault in EBCM. Other possibilities include Failed EBCM; relay circuit damage.
Power derate likely — plan to stop soon. When in doubt, get a qualified mobile diesel tech on the truck before continuing.
Find a mechanic or related guides
General diagnostic guidance for diesel engines (Cummins, Detroit, PACCAR, Volvo, Mack and more). Not a substitute for a scan-tool diagnosis on your specific truck.