Powertrain Controls - ECM/PCM
PCM - INTERNAL COMMUNICATION FAULT
The PCM has diagnostic features that monitor communications between the engine control module and trans axle control module within the PCM. When messages are not properly transmitted between the two, DTC 82 will be set.
DTC PARAMETERS
DTC 82 will set if:
^ A certain number of incorrect messages have been sent between the engine control module and transaxle control module within the PCM.
DIAGNOSTIC AIDS
Clear the DTC and recalibrate the PCM.
Cycle the ignition. If DTC 82 resets, replace the PCM.
ENGINE INFORMATION FLAGS
Information Flags are retained in memory to assist in the diagnosis of hard codes.