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Home >> Buick >> 2000 >> Century Custom >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (Engine Control System Self-Diagnostics - 3.8L) >> Diagnostic Tests >> DTC P1518: Loss Of Communication Between Pcm & Throttle Actuator Control Module >> Test Description
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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 number below refers to the step number in the diagnostic procedures.

  1. 19

    When the PCM detects a condition within the Electronic Throttle Control (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.
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