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P1687 Diagnostic Trouble Code Discussion for February 2008

No Communication With MIC

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Trouble Ticket Help Requests for DTC P1687
Help Request Posted
1999 Jeep Grand Cherokee Limited 4.7L MIL Lamp on VIN: 1K4GW68N5X
P1687: No CCD Messages Received From The MIC. ... aaa installed new battery. 1 week later, car being towed in because all instrument lamps were on and gauges inop. scanned car found above codes and also p1716. brought car in shop and found pcm was controlling alternator output properly. dash started worki...
February 13, 2008