FixVault

Pinpoint Test B : U0122: Notes

U0122 

DTC Fault Trigger Condition-PCM 

DTC Description Fault Trigger Conditions
U0122 Lost Communication With Vehicle Dynamics Control Module The PCM sets this DTC if data messages from the VDM through the GWM are missing.

Normal Operation and Fault Conditions 

REFER to: Communications Network - System Operation and Component Description .

Possible Sources