U0074 Diagnostic Trouble Code Discussion for July 2020
control module communication powertrain expansion can bus off
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| Help Request | Posted | |
| 2016 GMC Yukon Denali 6.2L MIL Lamp on VIN: 1GKS2CKJ0G U0074: control module communication powertrain expansion can bus off. ... immediately and the u0074 code shortly after, I am not sure if it is defaulting to max pressure, module appears to have all grounds and powers available to it, comm waveform is questionable but I dont have anything to compare ... |
July 09, 2020 |
