Speedometer Head: Testing and Inspection

Additional diagnostic information can be found at Body Control Module, Testing and Inspection, Diagnostic Charts. Testing and Inspection

To diagnose and test gauge cluster, a DRB tester (scan tool) must be used. Refer to the DRB user's manual for diagnostic procedures.

This vehicle is equipped with an electronically driven speedometer and odometer which has the same appearance as a conventional cable driven unit. The speedometer cable is replaced by a transmission mounted speed sensor. For diagnosis of the speed sensor refer to: Transmission and Drivetrain / Transmission Control Systems / Transmission Speed Sensor. Testing and Inspection