U0401 Invalid Data Received From Engine Control Module (ECM) / Powertrain Control Module (PCM) A

U0401 Invalid Data Received From Engine Control Module (ECM) / Powertrain Control Module (PCM) A

OBD Code:
System:
Subsystem:
 U0401 – (ASE)
 Network Communication
 Auxiliary Emission Controls

Trouble Code Description: Invalid Data Received From Engine Control Module (ECM) / Powertrain Control Module (PCM) A


Location:
Analysis:

Possible Causes:

 Engine Control Module (ECM) / Powertrain Control Module (PCM) A
 Invalid Data Received from Control Module

 

Tech description: