× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

U0401 Diagnostic Trouble Code Discussion for October 2021

Implausible Data Received From ECM / PCM


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC U0401
Help Request Posted
2014 Chevrolet Impala LS 2.5L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1G11E5SL7E
U0401: Invalid Data from ECM ABS Module. This car came in with an original complaint of ABS light, Stabilitrak lights on. Codes for erratic left front wheel sensor. A visual inspection found damaged sensor, and bearing. ABS solved with new sensor and bearing.. While viewing scanner, noticed very ...
October 19, 2021