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Home >> GMC >> 1999 >> Forward Control 7.4 J >> Repair and Diagnosis >> External Pages >> Different car >> Section 545 (Engine Controls - 3.6L (Ly7) (Introduction)) >> Description and Operation >> Engine Control Module (ECM) Description >> KS Module
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KS Module

WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The engine control module (ECM) employs an internal integrated circuit to continuously monitor the knock control evaluation circuit. The knock sensor (KS) module contains the circuitry that allows the ECM to utilize the KS signals and diagnose the KS sensors and circuitry. If the ECM detects a fault in the ability of the KS module to sample these signals, a DTC sets.

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