Diagnostic Test

1. Turn the ignition on.
2. With the scan tool, read DTCs.

   Is the DTC active?

   Yes 

   • Go To  2

   No 

   • Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .

1. Inspect the Active Exhaust Valve 1 and connector for damage due to road debris.

   Is the Active Exhaust Valve 1 or connector damaged or disconnected?

   Yes 

   • Repair as necessary.
   • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

   No 

   • Go To  3

Does the PCM also have active Implausible Data DTCs logged against Active Exhaust Valve 2 and Charge Air Cooler Coolant Pump?

Yes 

• Go To  4

No 

• Repair complete.
• Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Active Exhaust Valve 1 and the Powertrain Control Module (PCM).
2. Look for any chafed, pierced, pinched or partially broken wires.
3. Look for broken, bent, pushed out or corroded terminals.
4. Perform any Service Bulletins that may apply.

   Were any problems found?

   Yes 

   • Replace the Charge Air Cooler Coolant Pump in accordance with the Service Information.
   • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

   No 

   • Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL (PCM), REMOVAL .
   • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .