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U0121 Diagnostic Trouble Code Discussion for November 2022

Lost Communication With EBCM


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Trouble Ticket Help Requests for DTC U0121
Help Request Posted
2014 Chevrolet Equinox LT 2.4L Guages VIN: 2GNALBEK6E
U0121: Lost communicationwith electronic brake module. Customer came in with complaint of guages fluctuating and sevice engine light flashing these were the codes checked ground and power connections found a tsb about a connector in the rear of car could not find connector any ideas would be great thank you.
November 30, 2022