OBD Guide

U055B

Invalid Data Received From Special Purpose Vehicle Control Module B

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Inoperability of special equipment
  • Malfunction indicator light comes on
  • Switching systems into emergency mode
  • Reduced vehicle functionality
  • Errors in the operation of related systems

Causes

  • Malfunction of the special equipment control module
  • Damaged wiring harness or connectors
  • Short circuit in the module power supply circuit
  • Software error in the module
  • Problems with the CAN communication bus

How to Fix

  1. Check the integrity of the wiring harness to the module
  2. Inspect connectors for corrosion or damage
  3. Check power supply and grounding of the module
  4. Scan the module for additional errors
  5. If necessary, replace or reflash the module

Related codes

Error U055B by Vehicle Brand