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Pcm System Ground

WARNING: This page is about a different car, the 2008 Jeep Patriot and 2008 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.

The PCM cannot determine a poor system ground. However, one or more diagnostic trouble codes may be generated as a result of this condition. The module should be mounted to the body at all times, including when diagnostics are performed.

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