X type autobox issues
hi wonder if any one can help me i have a 2001 jag x type 3.0 sport awd automatic..the problem i have is the auto box seems to be stuck in 4th car still has reverse etc but does not shift up or down and fault code p1643/warning light on also. the car has had a new transfer box fitted prior to that cars transmission was working fine can you please help
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Hey Gazza, I've moved your post here so it gets the best attention possible......hopfully you'll get the help you need Good luck |
The potential causes of P1643, as listed by Jaguar are as follows:
CAN open circuit fault – TCM to ECM CAN short circuit fault TCM failure (Transmission Control Module) ECM failure (Engine Control Module) As the CAN wiring passes through the TCM to get to the Climate Control Module, the Instrument Panel and various other modules and you haven't reported any problems with them, it looks like any fault is not in the harness, but probably within the TCM itself or, less likely in the circumstances, the ECM. If a new/used TCM is fitted, it will need to be configured to the car, usually by a dealer or Jaguar Independent unless you have some hi-spec reader at home! The module itself is tucked up on the lefthand side of passenger's knees. Others who have had this fault or changed this module may be able to advise further? |
Hi and many thanks for the information, will check it out and let you know how i get on
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Originally Posted by gaza1964
(Post 636688)
Hi and many thanks for the information, will check it out and let you know how i get on
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