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Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Control Modules >> Self-Diagnostic System >> Rear Axle Controls Diagnostic System Check >> Notes

Rear Axle Controls Diagnostic System Check: Notes

NOTE: The presence of DTCs which begin with "U" indicate some other module on class 2 serial data line is not communicating.