RAM 2500 Truck 4WD V10-8.0L VIN W (1997)
information. Except for trouble codes 9 and 11, the CAB stores DTCs in the battery fed volatile memory. Volatile memories only retain
information as long as power is supplied to the memory. If a DTC is stored in the battery fed volatile memory, the DTC can be cleared from the
memory by disconnecting the battery supply to the CAB. Trouble codes 9 and 11 are also in a volatile memory but their memories are fed with
ignition voltage. A ground is provide to the CAB through pin 12 of the 14-way connector. It is required by the CAB to be able to operate any of its
circuits.
