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Home >> Hummer >> 2008 >> H3 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Cruise Control System) >> Diagnostic Information and Procedures >> Cruise Control Malfunction >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, cruise on/off switch ON. With a scan tool, observe all cruise control switch parameters in the ECM. Verify that the displayed switch position parameters match accordingly for each depressed switch. Road test the vehicle to ensure the cruise control system functions as described in Cruise Control Description and Operation .

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