U0177

Lost Communication With Restraints System Sensor H

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

The airbag light on the dashboard is on
SRS may be disabled
Error message on display (if present)
Problems with the operation of seat belt pretensioners
Incorrect operation of passenger sensors

Causes

Open or short circuit in the sensor circuit
Oxidation of contacts in the sensor connector
Malfunction of the security system sensor itself
Damage to the wiring harness after an accident
Problems with the SRS control unit

How to Fix

Check the integrity of the wiring to the sensor
Clean the contacts in the connectors
Check the sensor resistance (according to the manual)
Replacing a faulty sensor if necessary
Repair only from an authorized dealer

Related codes

U0175 U0176 U0178