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Possible Cause

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.

PF-CAN circuit PF-CAN A_H line open
PF-CAN circuit PF-CAN A_L line open
PF-CAN circuit PF-CAN A_H line short to ground
PF-CAN circuit PF-CAN A_L line short to ground
PF-CAN circuit PF-CAN A_H line short to power
PF-CAN circuit PF-CAN A_L line short to power
PCM internal circuit failure