ABS Pump Motor Circuit Failure
The ABS control module detects a failure in the pump motor circuit.
Heads up: this code wasn't in our hand-written library yet, so DiagCoach AI built this page on the fly. Double-check critical specs against service info before condemning parts.
What it means (plain English)
This means the computer has seen that the ABS pump motor isn't working correctly, which is essential for stopping safely during hard braking.
What the computer is actually seeing
The ABS control module monitors the pump motor circuit for voltage and operation commands. It expects the motor to activate when the vehicle is in a panic stop scenario or during a test that happens during key-on.
What a healthy reading looks like
The pump motor should have a voltage of 12V (battery voltage) when commanded on. The expected response time to engage should be within 100 milliseconds.
Guided diagnostic — the DiagCoach way
Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.
- 11. Check the ABS fuse in the fuse box; replace if blown. Decision point: If the fuse is good, proceed to step 2.
- 22. Inspect the wiring and connectors to the ABS pump motor carefully for any damage or corrosion. Decision point: If there's damage, repair it and retest. If not, go to step 3.
- 33. Measure the voltage at the ABS pump motor connector with the key on and the motor commanded on. Expected value is 12V. Decision point: If voltage is present, replace the ABS pump motor. If no voltage, check the control module output.
Common causes
- Blown fuse in ABS circuit
- Faulty ABS pump motor
- Corroded or damaged wiring/connector
- Faulty ABS control module
Typical repair cost
$$
Related codes
Frequently asked questions
Is it safe to drive with this code?
While you may still be able to drive, the ABS system will not function properly, increasing the risk of wheel lockup during hard braking.
Will the code come back after clearing?
If the root issue isn't fixed, it is likely to return after clearing the code.
Why does this code show alongside codes for wheel sensors?
This can happen because the ABS system monitors both the pump and wheel sensors together for proper operation; if one part fails, it can trigger faults in others.
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