Diagnostic Aids

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

The presence of current or history DTCs while attempting to rezero the PPS will cause the PPS module to set DTC 063. Verify that all supplemental inflatable restraint (SIR) and PPS DTCs have been cleared before rezeroing the PPS.

DTC 063

Step	Action	Yes	No
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2	Install a scan tool. Turn ON the ignition, with the engine OFF. Use the scan tool in order to clear the supplemental inflatable restraint (SIR) and passenger presence system (PPS) DTCs. Rezero the PPS. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text. Does the DTC reset?	Go to Step 3	Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
3	Replace the PPS. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming. Did you complete the replacement?	Go to Step 4	-
4	Reconnect all SIR and PPS system components. Verify that all components, connectors and connector position assurances (CPAs) are properly mounted. Use the scan tool in order to clear the SIR and PPS DTCs. Rezero the PPS. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text. Did you complete the repair?	Go to Diagnostic System Check - Vehicle in Vehicle DTC Information	-