ABS Pump Motor Circuit Short to Battery
The C0008 code means the vehicle's onboard diagnostic system has detected: ABS Pump Motor Circuit Short to Battery. This is a critical severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $300 - $1200 (parts and labor)
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Common Symptoms
- ABS warning light on
- ABS pump motor running continuously
- Traction control disabled
- Battery drain when vehicle is off
Probable Causes (Ranked by Likelihood)
- Shorted wiring to battery voltage Very High
- Faulty ABS relay stuck closed High
- ABS control module internal short Moderate
- Damaged wiring harness near battery Low
Step-by-Step Diagnostic Procedure
-
Check if ABS pump motor runs with ignition off
-
Test ABS relay for stuck-closed condition
-
Disconnect pump motor and check for voltage on control wire
-
Inspect wiring harness for contact with positive battery cable
Frequently Asked Questions
Why is my ABS pump running continuously?
A short to battery voltage can keep the pump motor energized. Usually caused by a stuck relay or shorted wiring.
Can this code drain my battery?
Yes, continuous pump operation will drain the battery. Disconnect the ABS fuse as a temporary measure.
Is this an emergency repair?
The continuous pump operation will drain the battery and may overheat the motor. Repair as soon as possible.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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