DTCs P0651, P0652, or P0653
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
The 5-volt reference 2 circuit provides 5 volts to the following sensors:
- All four camshaft position (CMP) sensors
- Accelerator pedal position (APP) sensor 1