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Possible Causes

Possible Causes 
(D222) CAN C BUS (-) CIRCUIT SHORTED TO VOLTAGE
(D221) CAN C BUS (+) CIRCUIT SHORTED TO VOLTAGE
(D221) CAN C BUS (+) CIRCUIT OPEN
(D222) CAN C BUS (-) CIRCUIT OPEN
(D221) CAN C BUS (+) CIRCUIT SHORTED TO GROUND
(D222) CAN C BUS (-) CIRCUIT SHORTED TO GROUND
ELECTRONIC PEDESTRIAN PROTECTION MODULE (EPPM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  MODULE, ELECTRONIC PEDESTRIAN PROTECTION, REMOVAL  .