C1241
ABS Hydraulic Pressure Differential Switch Input Short Circuit To Ground
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)
Symptoms
- ABS light is on
- Incorrect operation of the ABS system
- Lack of brake assist function
- Possible problems with the stabilization system
Causes
- Wiring harness damage
- Short to ground in the sensor circuit
- Oxidation of contacts
- Differential pressure sensor malfunction
- Problems with the ABS control unit
How to Fix
- Diagnose the differential pressure sensor circuit
- Check the integrity of the wiring harness
- Check contacts for oxides and damage
- If necessary, replace the differential pressure sensor
- Clean or replace damaged wires
- Test the ABS system after repair