OBD Guide

U0554

Invalid Data Received From Accessory Protocol Interface Module

U0554 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Accessory Protocol Interface Module. Common causes: accessory interface module failure, problems with the wiring harness or connectors. Estimated repair cost: $56–167.

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

FAQ

What does the U0554 code mean?

U0554 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Accessory Protocol Interface Module

What causes a U0554 error code?

The most common causes of U0554 include: Accessory Interface Module Failure; Problems with the wiring harness or connectors; Short circuit in the circuit; Module software error.

How do I fix a U0554 diagnostic trouble code?

To fix U0554: Check connections and integrity of wiring harness. Check power supply and grounding of the module. Scan the module for additional errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0554?

Yes, but get it checked soon

How much does it cost to fix U0554?

The estimated repair cost for U0554 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat