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Home >> Jeep >> 2003 >> Grand Cherokee Limited, 4.7 N, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Body Control Modules) >> Self-Diagnostic System >> Using The DRBIII(R) >> Vehicle Preparation For Testing
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Vehicle Preparation For Testing

WARNING: This page is about a different car, the 2002 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

Make sure the vehicle being tested has a fully charged battery. If it does not, false diagnostic codes or error messages may occur.

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