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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 25 (ENGINE CONTROLS - 6.6L - DIAGNOSIS (DTCs P0016-P0401)) >> DTC P0117 or P0118 >> Circuit/System Verification

Circuit/System Verification

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  1. Start the engine.
  2. Observe the ECT sensor parameter with a scan tool.
  3. The ECT sensor parameter should be within normal operating range.
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