OBD Guide

U0160

Lost Communication With Audible Alert Control Module

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Car horns do not work
  • Check Engine Light Is On
  • No sound when opening doors
  • Disabling the alarm
  • The error is diagnosed by the scanner

Causes

  • Open or short circuit in wiring
  • Sound alarm module malfunction
  • Bad contacts in connectors
  • ECU software failure
  • Module power problems

How to Fix

  1. Check the integrity of wires and connectors
  2. Test the power supply and ground of the module
  3. Carry out diagnostics of the sound alarm module
  4. Reflash or replace the ECU if necessary
  5. Repair only from an authorized dealer

Related codes

Error U0160 by Vehicle Brand