DTC Parameters
WARNING: This page is about a different car, the 2002 Saturn LW300 and 2002 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.
DTC will set if the throttle has not been learned after the ECM has been reprogrammed; or the learned lower rest position TP values are too far out of range from the stored learned values when:
- During a once per key-up close throttle test.
- Engine speed is less than 250 RPM.
- Vehicle speed is zero MPH.
- ECT is between 41-212°F (5-100°C).
- IAT is greater than 41°F (5°C).
- Accelerator pedal angle is less than 15 percent.
- Battery voltage is more than 10 volts.
DTC P1526 diagnostic runs during a key-up closed throttle test when the above conditions have been met.
NOTE:
The MIL will illuminate after 5 seconds.