P1526

Circuit Description
This DTC will set whenever a TP learn procedure is not successfully completed.

Conditions for Running the DTC
^ The vehicle speed is equal to 0 km/h.
^ The engine speed is less than 250 RPM.
^ The Engine Coolant Temperature (ECT) is between 5°C - 100°C (41°F - 212°F).
^ The Intake Air Temperature (IAT) is more than 5°C (41°F).
^ The battery voltage is more than 10 volts.
^ The Accelerator Pedal Position (APP) is less than 15 percent.
^ The minimum closed throttle position has not already been learned.

Conditions for Setting the DTC
TP sensor 1 voltage is NOT between 0.24 volt to 0.82 volt AND TP sensor 2 voltage is NOT between 4.2 volts to 4.8 volts.

Action Taken When the DTC Sets
The Engine Control Module (ECM) illuminates the Malfunction Indicator Lamp (MIL) and records the operating conditions in the Freeze Frame on the first drive trip that the diagnostic runs and fails. The vehicle will default to the limp home mode.

Conditions for Clearing the MIL/DTC
^ The ECM turns off the MIL after 3 consecutive drive trips that the diagnostic runs and passes.
^ A History DTC clears after 40 consecutive warm-up cycles in which no failures are reported by this diagnostic or any other emissions related diagnostic.
^ The ECM battery voltage is interrupted.
^ The scan tool clears the MIL/DTC.

Diagnostic Aids
Ensure the throttle blade is closed at ignition ON for 30 seconds in order for the ECM to learn the minimum closed position.