C1163: Park Brake Switch # 2 Applied Circuit Short to Gnd
MediumChassisAnti-Lock Brakes
What does C1163 mean?
C1163 is a diagnostic trouble code indicating "Park Brake Switch # 2 Applied Circuit Short to Gnd". The ECU is detecting a voltage reading that is below the expected range in the anti-lock brakes circuit. This typically points to a wiring short, a faulty sensor, or a grounding issue.
Common causes
- Damaged or corroded wiring harness
- Loose or disconnected electrical connector
- Failed anti-lock brakes sensor or actuator
- Blown fuse in the related circuit
- Poor ground connection
What should you do?
Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.
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