gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Knock Sensor > < Initial Inspection and Diagnostic Overview|Page 2914
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Step 4

The number below refers to the step number on the diagnostic table.
4. If the battery positive voltage and ground circuits of the DLC are functioning properly. The malfunction must be due to the scan tool.

Knock Sensor > < Initial Inspection and Diagnostic Overview|Page 2914