Model Specific Questions and Info > MK4 Jetta/Golf and B5.5 Passat

Passat B5.5 TDi Module Swaps


Ryan and forum community,

Thank you very much for the effort, forum and disemmination of your valued experience.

Late to the party, I'm working between a couple of '04 & '05 Passat TDi PD BHW's.  Need some flexibility to perform system (primarily ECU and TCU) testing; absent a bench-test rig to emmulate a vehicle, I will designate a well-experienced B5.5 as a mule. Swapping modules will provide a baseline between stock, ECU tunes and SWAPS (B5.5 AT-->MT, Petrol B5-5.5 FWD-->TDi, Petrol AWD C5-->TDi AWD C5).

Need to know what steps are needed to swap B5.5 TDi modules with like target vehicles (B5.5); do clusters, ECU's, TCU's, CCM's need to learn the presence of each other?
Is it necessary to register the VIN in each of these boxes?
Are there steps unique to swapping specific modules:  an ECU<-->ECU, TCU<-->TCU and cluster<-->cluster?
Programming new keys, reprogramming existing keys?
Can VAGTacho reprogram existing keys? (Have read conflicting accounts that pristine transponders are rquired.)

What is the best resource(s) written or streamed/video for these procedures?

Thanks in advance.



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