Diagnostic Aids

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

If any additional powertrain DTCs are stored, refer to:
- DIAGNOSTIC TROUBLE CODE DEFINITIONS for 4.3L.
- DIAGNOSTIC TROUBLE CODE DEFINITIONS for 4.8L, 5.3L and 6.0L.
For intermittent diagnosis, refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS .

Fig 1: Identifying DTC P0608 Diagnostic Table (1 Of 2)
Courtesy of GENERAL MOTORS CORP.

Fig 2: Identifying DTC P0608 Diagnostic Table (2 Of 2)
Courtesy of GENERAL MOTORS CORP.