OBD-II code · Chassis
C0252 Pump Motor Ground Circuit Open
The pump motor ground return is open. The motor cannot run, and the system disables ABS and stability control.
Is it safe to drive with C0252?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyGround strap corroded
- PossibleGround wire broken
- Less likelyPin pushed back out of connector body
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–1.5 h
- Emissions test
- Usually unaffected
- Parts involved
- ABS Pump Motor, Ground Strap
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.