gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Knock Sensor Module|Diagrams > < Engine Control Module (ECM) Replacement|Page 2851
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Knock Sensor Module: Locations

Automatic Transmission

Knock sensors connect directly to the PCM.  There is no separate knock sensor module.

Manual Transmission

The knock sensor module is located above the right valve cover.

Knock Sensor Module|Diagrams > < Engine Control Module (ECM) Replacement|Page 2851