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

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

OBD Code:
System:
Subsystem:

U0401 JEEP – (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:

JEEP Vehicle:JEEP Commander,JEEP Compass,JEEP Grand Cherokee,JEEP Liberty,JEEP Patriot,JEEP Wrangler,JEEP Wrangler Unlimited,