2005 Chevrolet Corvette Multiple Electrical Concerns and IPC Gauges Inoperative - kw cluster code communication DTC DIC data diagnostics information intermittentmessage MIL TechII

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in the PI.

Some customer may experience multiple electrical concerns and also state that the gauges on the IPC are inoperative. The Drivers Information Center will display multiple warning messages and there may be a loss of communication with the modules that are on GM Lan. Several Class 2 modules may also display current or history ( loss of communication ) codes.

Check for a loose ground ( G106 ) that is located on the right side of the engine block. The ground is located just above the starter and can be seen by looking to the left of the # 6 spark plug boot (right bank) directly at the engine block.

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Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

(2005 Chevrolet Corvette)

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