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P1685 Diagnostic Trouble Code Discussion for May 2010

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 Cherokee Sport 4.0L Misfire, MIL Lamp on VIN: 1J4FF48S0Y
P1685: Smart Key Immobilizer Module Invalid Key. ... list the P1685 code. Does anyone have any idea what that means or what may be causing it? Two members have that listed in the knowledge database, but neither show a fix for it. Thanks for any and all help!
May 04, 2010
2000 Jeep Cherokee Sport 4.0L Misfire, MIL Lamp on VIN: 1J4FF48S0Y
P1685: Smart Key Immobilizer Module Invalid Key. ... list the P1685 code. Does anyone have any idea what that means or what may be causing it? Two members have that listed in the knowledge database, but neither show a fix for it. Thanks for any and all help!
May 06, 2010