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HOMESERVICE MANUALSFORD2021EDGE SE, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 12 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (DIESEL))DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONSDTC U0401 - INVALID DATA RECEIVED FROM ECM/PCM A
2021 Ford Edge SE, 4WD

DTC U0401 - Invalid Data Received From ECM/Pcm A

2021 Ford Edge SE, 4WDSECTION DTC U0401 - Invalid Data Received From ECM/Pcm A
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U0401 - INVALID DATA RECEIVED FROM ECM/PCM A

Description:  Network DTC concerns occur during module to module communication.
Possible Causes: 
  • Invalid data network concerns - data is transferred within the normal inter-module message, but contains known invalid data. The transmitting module logs a DTC related to the invalid data concern.
  • Missing message network concerns - missing message concerns are logged by the module upon failure to receive a message from another module within a defined retry period.
Diagnostic Aids:  Check for other reductant dosage control module DTCs or reductant dosage control module related symptoms. Diagnose all other reductant dosage control module DTCs or reductant dosage control module related symptoms first.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST RM .
RENDER: 1.0x

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