Real Time Dampening Module Identification - information part Z55 ZK3

When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.

When ordering a module for the Real Time Dampening the following information will be required to order the correct module. If the vehicle was built up to June 1st, 2001 it should have the ZK3 option - pull ahead module, part number 22189500. Vehicles built after this date should have the non-pull ahead module part number 15170946 without the ZK3 option.

Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.

(02 Cadillac Escalade C6, K6) and (02 Chevrolet Avalanche C1, K1, K2)