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P1693 Diagnostic Trouble Code Discussion for September 2005

Transponder No Response Error / Invalid Response

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Trouble Ticket Help Requests for DTC P1693
Help Request Posted
1999 Dodge Ram 2500 5.9L Hesitation, Cuts out, MIL Lamp on VIN: 1B7KF2364X
P1693: DTC detected in PCM. ... for the advice. This one has turned into one of those expensive repairs. After seeking advice from a Chrysler tech. checking several posts and fixes,I replaced the injection pump (OEM reman),and still have the same problem. About 9 months or so ago, we rep...
September 26, 2005
1998 Dodge Ram 3500 5.9L Power dropsout VIN: 1B7MC3362W
P1693: Companion DTC set in ECM. Vehicle drove in with complaint of power loss in 3rd gear and up. Customer states Vacuum pump was leaking oil, he seperated P/S pump from vacuum pump and replaced seal in vacuum pump. Never removed vacuum pump from engine. Next trip out would not pull hills wi...
September 30, 2005