Code result
C0023
ABS Pump Motor Circuit High
Moderate severity
What it means
Voltage on the pump motor control line is above the expected range, typically caused by a short to battery voltage or a stuck relay.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Wiring shorted to battery voltage
highOne of the most commonly reported causes for this code — check this first.
Relay contacts welded closed
mediumA plausible cause — test and verify before replacing parts.
Connector pins corroded - high contact resistance
lowLess common, but worth ruling out after the more likely causes.
Related help
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