Fault-Code Library · ABS / stability control
C1112: ABS pump motor or supply circuit fault
The brake-control module detects a fault in the ABS pump motor circuit or its power supply.
Common symptoms
- •ABS warning
- •Stability-control warning
- •No ABS intervention
- •Multiple brake-system faults
Likely causes
- •Low voltage
- •ABS pump motor failure
- •Relay or fuse fault
- •Corroded wiring or module connector
First checks
- •Test battery and charging voltage
- •Check ABS fuses, relay, power, and ground
- •Run an ABS pump activation test with proper diagnostics
Important
Brake-system faults affect safety systems; verify the hydraulic and electrical diagnosis before driving aggressively.
A fault code identifies a detected condition, not a failed part. Confirm manufacturer-specific subcodes and live data.
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