OBD Guide

C2769

Longitudinal Acceleration Sensor Electrical Failure

C2769 is an OBD-II diagnostic trouble code meaning: Longitudinal Acceleration Sensor Electrical Failure. Common causes: open/short circuit in wiring harness, oxidation of contacts. Estimated repair cost: $56–167.

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

Symptoms

  • AIRBAG/SRS lamp is on
  • Incorrect operation of airbags
  • Error persists after reset

Causes

  • Open/short circuit in wiring harness
  • Oxidation of contacts
  • Malfunction of the longitudinal acceleration sensor
  • Problems with the SRS control unit

How to Fix

  1. Visual inspection of the wiring harness and sensor contacts
  2. Checking the resistance and voltage in the sensor circuit
  3. Diagnostics of sensor parameters using a scanner
  4. Replacing the sensor or repairing the harness if necessary
  5. Resetting errors and checking system operation

Related codes

FAQ

What does the C2769 code mean?

C2769 is an OBD-II diagnostic trouble code that indicates: Longitudinal Acceleration Sensor Electrical Failure

What causes a C2769 error code?

The most common causes of C2769 include: Open/short circuit in wiring harness; Oxidation of contacts; Malfunction of the longitudinal acceleration sensor; Problems with the SRS control unit.

How do I fix a C2769 diagnostic trouble code?

To fix C2769: Visual inspection of the wiring harness and sensor contacts. Checking the resistance and voltage in the sensor circuit. Diagnostics of sensor parameters using a scanner. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C2769?

Do not drive — repair immediately

How much does it cost to fix C2769?

The estimated repair cost for C2769 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat