garajizOBD-II code · generic
U0438
Invalid Data Received From Trailer Brake Control Module
- System
- U — In-vehicle network
- Severity
- Critical (5/5)
- Can I keep driving?
- Drive with caution
What does U0438 mean?
U0438 is defined as “Invalid Data Received From Trailer Brake Control Module”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- U0437Invalid Data Received From Differential Control Module - Rear
- U0439Invalid Data Received From All Terrain Control Module
- U0436Invalid Data Received From Differential Control Module - Front
- U043AInvalid Data Received From Suspension Control Module B
- U0435Invalid Data Received From Power Steering Control Module - Rear
- U043BInvalid Data Received From Front Distance Range Sensor - Left
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.