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P1685 Diagnostic Trouble Code Discussion for June 2007

Transmission Control Module Power Up Temperature Sensor Circuit Low


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Trouble Ticket Help Requests for DTC P1685
Help Request Posted
2000 Jeep Grand Cherokee Limited 4.7L Poor Idle Quality, Hesitation, Surge VIN: 15WUERFNFH
P1685: Smart Key Immobilizer Module Invalid Key. customer came in with lights dimming on instrument panel and driveability complant test ing reveled a bad alternator which was replaced with reman unit after couple days customer called with same complant.where should go from here
June 24, 2007
2000 Jeep Grand Cherokee Limited 4.7L Poor Idle Quality, Hesitation, Surge VIN: 15WUERFNFH
P1685: Smart Key Immobilizer Module Invalid Key. customer came in with lights dimming on instrument panel and driveability complant test ing reveled a bad alternator which was replaced with reman unit after couple days customer called with same complant.where should go from here
June 24, 2007