Ragazzi, buonasera. Il mio giaguaro mi sta facendo impazzire in questo momento. Ti dirò! Qualche settimana fa ho finito di rifare la meccatronica del cambio, ho sostituito varie parti acquistando il kit sonnax. Il lavoro è andato molto bene, ho verificato la tenuta delle valvole con la pompa del vuoto e rispecchiano i valori del manuale sonnax. Finora tutto è stato fatto bene con il cambio dell'olio.
Ovviamente olio bagnino 8, livello ok. Adesso in questi giorni c'è un problema che mi fa impazzire, a volte l'auto non parte perché mi arriva il messaggio "guasto cambio". Riprovo dopo un'ora e si avvia senza problemi, guasto al cambio "scomparso". Guido tutto il pomeriggio e torno a casa senza problemi. La mattina dopo lo stesso discorso "guasto al cambio",:confuso:






Ho controllato il connettore TCM e non ho notato nulla di strano, per fare il lavoro ho solo scollegato quello e nient'altro. Sdd mi dice dtc lin bus A, perdita di comunicazione con il modulo di controllo del cambio su queste centraline gsm, pcm, abs, ipc. Per favore, se qualcuno sa di cosa si tratta o ha idea di cosa possa significare. Aiuto grazieI forgot, interrogating the control units I noticed that the front cjb has lost the vin after having reconnected the battery and having redone all the steps with sdd. Now in addition to the gearbox problem, the washing of the front windshield and rear wiper does not work.​​
Help me, Help me.


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Hi

The fact that your front cjb lost its programming and that your windscreen washer is acting up could point to a water ingress at the A column on the passenger side caused by a leaking washer pump. This can cause all sort of troubles, not sure if the gearbox issues is part of it.
But its a quick check, disconnect the upper left connector from the CJB. If you find water or corrosion in it thats your culprit. You may be able to salvage your CJB if you are handy with reprogramming modules using SDD. Replace the front washer pump to stop more water from penetrating the CJB.

Jaguar issued a tech bulletin for this: JTB00377V3

Good luck
Chris

 

Hello good to hear from you again. This afternoon I will check the connector and for this I have no problems, but to reprogram the module with sdd you need the engineering password? because I don't have it and I don't even know how to get it. What I have already done is programming the cjb module as new but the vin was not learned. I have read some posts where they say to disassemble and open the module to get to the processor and redo the programming from the processor with a programmer.

 

I've sent you a PM
Cheers
Chris

 

thank you very much!!

 

PM for you.

 

Your EEPROM is corrupt. The SDD method usually fails if you haven't retrieved backup EEPROM data from flash data or written virgin data to BCM/CJB. You will need VVDI or Xprog to read the MCU (MS9S12XET256).

 

ok i bought an xprog box from a well known chinese site but i don't know the reprogramming procedure. If you can explain the steps I am grateful to you.

 

I personally wouldn't trust the clone version of the Xprog but should you still need help you can PM me.

 

good morning to all of you, update on the fault. it's all solved. Rescheduled the bcm, replaced the bcmb with a used one replaced the gsm and finally fixed the tcm connector that was not well inserted and the automatic gearbox oil wet the electrical contacts and sent them to ground. For all this I have to make a special thanks to Mojo8808 for his professionalism and availability, thanks to him I solved the problems of the control units and he really gave me a lot of support. Finally, thanks to all the members of this great forum for your advice.