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.
- ECT more than 178°F (81°C).
- IAT is more than 90°F (32°C).
- Vehicle speed is zero MPH.
- EVAP diagnostics are not running.
- No ECT, EVAP leak, EVAP purge solenoid, IAT, TP or vehicle speed DTCs have been set.
DTC sets when actual engine speed is 100 RPM or more less than desired idle speed for more than 2 seconds after ECM has attempted to correct the condition within a limited range.