OBD Guide

C0554

Longitudinal Acceleration Sensor Circuit High

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$33–89 (est.)

Symptoms

  • SRS/airbag indicator is on
  • Pretensioners may be triggered for no reason
  • Difficult operation of the stabilization system (ESP)

Causes

  • Malfunction of the longitudinal acceleration sensor
  • Open/short circuit in wiring harness
  • Sensor power/ground problems
  • SRS control unit malfunction

How to Fix

  1. Visually check the sensor wiring harness
  2. Check sensor resistance and voltage
  3. Replace sensor if necessary
  4. Reset the error and test the system

Related codes

Error C0554 by Vehicle Brand