OBD Guide
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C1102

ABS Acceleration Switch Circuit Failure

C1102 is an OBD-II diagnostic trouble code meaning: ABS Acceleration Switch Circuit Failure. Common causes: open or short circuit in wiring harness, oxidation of sensor contacts. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • The ABS indicator on the dashboard is on
  • Reduced efficiency of the ABS system
  • Unstable system behavior during braking

Causes

  • Open or short circuit in wiring harness
  • Oxidation of sensor contacts
  • Acceleration sensor malfunction
  • Problems with the ABS control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Clean sensor contacts
  3. Replace acceleration sensor if necessary
  4. Check ABS control unit

Related codes

C1101C1103C1104

FAQ

What does the C1102 code mean?

C1102 is an OBD-II diagnostic trouble code that indicates: ABS Acceleration Switch Circuit Failure

What causes a C1102 error code?

The most common causes of C1102 include: Open or short circuit in wiring harness; Oxidation of sensor contacts; Acceleration sensor malfunction; Problems with the ABS control unit.

How do I fix a C1102 diagnostic trouble code?

To fix C1102: Check the integrity of the wiring harness. Clean sensor contacts. Replace acceleration sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1102?

Limited driving only, diagnose soon

How much does it cost to fix C1102?

The estimated repair cost for C1102 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat