Code result
C0020
ABS Pump Motor Circuit
Moderate severity
What it means
The ABS control module detects an electrical fault in the pump motor circuit. Without a working pump, the system cannot build hydraulic pressure for ABS or stability control interventions and disables those functions.
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
Pump motor seized after long inactivity
highOne of the most commonly reported causes for this code — check this first.
Pump motor relay welded or open
mediumA plausible cause — test and verify before replacing parts.
Power supply connection corroded
mediumA plausible cause — test and verify before replacing parts.
Related help
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