DTC Parameters
WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition is on.
- Battery voltage more than 5.25 volts.
- No internal ECM DTCs are set.
DTC sets when the ECM detects the voltage on the 5-volt reference 2 circuit is less than 4.88 or more than 5.13 volts for more than 0.5 seconds.