OBD Guide

U0552

Invalid Data Received From Running Board Control Module B

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • The footrest does not extend/retract
  • Error message on the dashboard
  • Incorrect operation of the footrest
  • Problems with other vehicle systems
  • The step works intermittently

Causes

  • Step control module B malfunction
  • Damage to the wiring harness to the module
  • Poor contact in connectors
  • Module power problems
  • Software error

How to Fix

  1. Check the integrity of the wiring harness to the module
  2. Check connections and contacts in connectors
  3. Check power supply and grounding of the module
  4. Scan the module for additional errors
  5. Replace or reflash step control module B if necessary

Related codes

Error U0552 by Vehicle Brand