U0438 Chevrolet Invalid Data Received From Trailer Brake Control Module

U0438 Chevrolet Invalid Data Received From Trailer Brake Control Module

OBD Code:
System:
Subsystem:

U0438 Chevrolet – (ASE)
Network Communication
Auxiliary Emission Controls

Trouble Code Description: Invalid Data Received From Trailer Brake Control Module

Location:
Analysis:

Possible Causes:

Trailer Brake Control Module
Invalid Data Received from Control Module

Tech description: