U0121 Diagnostic Trouble Code Discussion for August 2021
Lost Communication With EBCM
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| Help Request | Posted | |
| 2014 Chevrolet Caprice PPV 6.0L MIL Lamp on VIN: 6G3NS5U28E U0121: Lost communication antilock brake module. This car has on going bus communication issues seems to affect all module newer codes are knock sensor low voltage idle speed low fuel pump control module looking at the wiring not sure where to start |
August 10, 2021 |
