OBD Guide

C1241

ABS Hydraulic Pressure Differential Switch Input Short Circuit To Ground

C1241 is an OBD-II diagnostic trouble code meaning: ABS Hydraulic Pressure Differential Switch Input Short Circuit To Ground. Common causes: wiring harness damage, short to ground in the sensor circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can 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

  1. Diagnose the differential pressure sensor circuit
  2. Check the integrity of the wiring harness
  3. Check contacts for oxides and damage
  4. If necessary, replace the differential pressure sensor
  5. Clean or replace damaged wires
  6. Test the ABS system after repair

Related codes

FAQ

What does the C1241 code mean?

C1241 is an OBD-II diagnostic trouble code that indicates: ABS Hydraulic Pressure Differential Switch Input Short Circuit To Ground

What causes a C1241 error code?

The most common causes of C1241 include: Wiring harness damage; Short to ground in the sensor circuit; Oxidation of contacts; Differential pressure sensor malfunction.

How do I fix a C1241 diagnostic trouble code?

To fix C1241: Diagnose the differential pressure sensor circuit. Check the integrity of the wiring harness. Check contacts for oxides and damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1241?

Limited driving only, diagnose soon

How much does it cost to fix C1241?

The estimated repair cost for C1241 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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