OBD Guide

U0554

Invalid Data Received From Accessory Protocol Interface Module

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of the multimedia system
  • Problems with climate control
  • Error messages on the dashboard
  • Failure of some comfort functions
  • Intermittent operation of additional equipment

Causes

  • Accessory Interface Module Failure
  • Problems with the wiring harness or connectors
  • Short circuit in the circuit
  • Module software error
  • Module power problems

How to Fix

  1. Check connections and integrity of wiring harness
  2. Check power supply and grounding of the module
  3. Scan the module for additional errors
  4. Update or reflash module software
  5. Replace the accessory interface module if necessary

Related codes

Error U0554 by Vehicle Brand