P0866 Chevrolet Transmission Control Module (TCM) Communication Circuit High

P0866 Chevrolet Transmission Control Module (TCM) Communication Circuit High

OBD Code:
System:
Subsystem:

P0866 Chevrolet – (ASE)
Powertrain
Transmission Controls

Trouble Code Description: Transmission Control Module (TCM) Communication Circuit High

Location:
Analysis:

Possible Causes:

End of Range – Circuit Higher Than Expected

Tech description: