U0100 Diagnostic Trouble Code Discussion for June 2017
Lost Communication With ECM
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| Help Request | Posted | |
| 2013 Chevrolet Impala LT 3.6L no crank VIN: 2G1WB5E33D U0100: loss of communication with PCM- high speed LAN. The 5 fuses in the underhood box are all only .25 volts. ECM, IGN1, IGN, EMI1 & EMI2. The powertrain relay has battery voltage on the 30-87 legs but the 85-86 legs are 5v & .25v. I know there should be ground here from the PCM but where is this 5v comi... |
June 30, 2017 |
