Having problems with your 2004 Jaguar XJ-Series ?

No upshift unless cruise control is on

\015 ****** hangs in 3rd unless cruise is on. 4th and 5th don't work on J-Gate. Gentle or hard acceleration makes no difference. When 'hung,' ****** upshifts and tach drops if cruyise is engaged.\015 Posted / edited by AnonymousUser on : 27-03-2017

Answers :

\012Hello
The engine\012and automatic transmission in this vehicles drive train\012are fully electronically controlled by a computer called the PCM\012(Power Train Control Module). Whenever a problem like this occurs the\012computer stores a record of the problem (there are of course some\012exceptions to this, like the fuel pump, engine coolant temperature\012sensor and MAF sensor for instance) in the form of a fault code in\012its memory, to read these fault codes you must have the systems\012memory scanned with a special tool. Once the fault code(s) are read\012you then must perform the appropriate diagnostic testing to find and\012resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A\012TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPENDING YOUR\012HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM

Repair Help & Product Troubleshooting for 2004 Jaguar XJ-Series

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