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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (Engine Control System Self-Diagnostics - 3.8L) >> Diagnostic Tests >> DTC P1515: Commanded & Actual Throttle Position Mismatch >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 3

    If the TP indicated angle does not follow the movement of the throttle blade, and the TP sensor DTCs are not set, there is a mechanical condition with the throttle shaft or the TP sensor. Replace the throttle body assembly. See appropriate REMOVAL, OVERHAUL & INSTALLATION article. Re-install the air inlet duct after repairs are completed.
  2. 18

    When the PCM detects a condition within the ETC system other DTCs may set due to the many redundant tests run continuously on this system. Locating and repairing 1 individual condition may correct more than 1 DTC. Keep this in mind when reviewing captured DTC info.