OBD Guide

C1132

Engine Signal 3

C1132 is an OBD-II diagnostic trouble code meaning: Engine Signal 3. Common causes: open or short circuit in wiring harness, restraint ecu malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • The passive safety system malfunction lamp is on
  • Seat belt pretensioners do not work
  • Reduced effectiveness of the restraint system

Causes

  • Open or short circuit in wiring harness
  • Restraint ECU malfunction
  • Damaged contacts in connectors
  • Malfunction of sensors associated with the restraint system

How to Fix

  1. Check the integrity of the wiring harness for breaks or damage
  2. Inspect and clean connector contacts
  3. Check the operation of the passive safety system sensors
  4. Scan the system for related errors
  5. If necessary, replace faulty components

Related codes

FAQ

What does the C1132 code mean?

C1132 is an OBD-II diagnostic trouble code that indicates: Engine Signal 3

What causes a C1132 error code?

The most common causes of C1132 include: Open or short circuit in wiring harness; Restraint ECU malfunction; Damaged contacts in connectors; Malfunction of sensors associated with the restraint system.

How do I fix a C1132 diagnostic trouble code?

To fix C1132: Check the integrity of the wiring harness for breaks or damage. Inspect and clean connector contacts. Check the operation of the passive safety system sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1132?

Do not drive — repair immediately

How much does it cost to fix C1132?

The estimated repair cost for C1132 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat