Pump Motor Ground Circuit Open
The pump motor ground return is open. The motor cannot run, and the system disables ABS and stability control.
Affected components
- Abs pump motor
- Ground strap
Common causes
- High likelihood: Ground strap corroded
- Medium likelihood: Ground wire broken
- Low likelihood: Pin pushed back out of connector body
Possible symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.