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P1687 Diagnostic Trouble Code Discussion for June 2004

No Communication With MIC

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Trouble Ticket Help Requests for DTC P1687
Help Request Posted
2001 Jeep Cherokee Sport 4.0L Surge, MIL Lamp on VIN: 1J4FT47S71
P1687: No CCD Messages Received From The MIC. This vehicle came in with the listed codes. Also with the compliant of the dash gauges dropping out. Tested system all items functioning perfect TPS is .66 at idle 3.9 at WOT map is 4.5 KOEO and 1.6 at idle. Cleaned engine grounds on side of block, made slig...
June 23, 2004