C0062high severityChassis
ABS Pump Motor Circuit Low
on 2002 Volvo S80 2.9L I6 · AWD
What this code means
Low voltage or current detected in the ABS hydraulic pump motor circuit during activation.
Symptoms
- ABS light on
- ABS pump runs slowly or weakly
- Poor ABS performance
- Grinding noise from ABS pump
Common causes
- Worn ABS pump motor brushes
- Low battery voltage during ABS event
- High-resistance connection at pump
- Pump motor internal failure
Diagnostic steps
- Measure voltage at pump motor during activation
- Check battery voltage under load
- Inspect pump motor connector
- Test pump motor current draw
- Check ground connections
Repair notes
Replace ABS pump motor or modulator assembly if motor is integrated.
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