Circuit/System Testing
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, observe the DTC information with a scan tool. Verify that none of the following DTCs are set. DTC P0010, P0013, P0020, P0023, P0335, P0336, P0338, P0341, P0342, P0343, P0346, P0347, P0348, P0366, P0367, P0368, P0391, P0392, P0393, P2088, P2089, P2090, P2091, P2092, P2093, P2094, or P2095.
- If any of the DTCs listed are set refer to Diagnostic Trouble Code (DTC) List - Vehicle for further diagnosis.
- Idle the engine at normal operating temperature for 10 minutes. DTCs P0016, P0017, P0018, or P0019 should not set.
- If a DTC sets, inspect for the following:
- The correct installation of the camshaft sensors
- The correct installation of the crankshaft sensor
- A timing chain tensioner condition
- An incorrectly installed timing chain
- Excessive play in the timing chain
- A timing chain that jumped teeth
- A crankshaft reluctor wheel that has moved in relationship to top dead center (TDC) on the crankshaft
- If a DTC sets, inspect for the following:
- Operate the vehicle within the conditions for running the DTC. You may also operate the vehicle within the conditions that you observed in the Freeze Frame/Failure Records data.