Gearbox Malfunction
Hi Guys , new here, I hope someone can help/advice on the following problem with my A7 Multitronic 3.0 tdi
I have the dreaded "Gearbox Malfunction, you can continue driving " message.
Recently whilst driving in normal D mode, gears decided to change themselves from D to S4 and other gears randomly.
diagnosis from a garage computer showed 2 faults:
4322- P1891 - Signal line for tiptronic - Implausible signal
and
4323 - P1890 - Signal line for tiptronic - Electrical M
Hi I have had the same issues with my A7 coolant in the loom, I have changed the coolant valve and cleaned the connections to the gearbox.. this has cured the gearbox malfunction but I have lots more faults parking brake fault, tpms, steering etc. I can’t communicate with the Ecu, gearbox and other systems has any one else experienced this and cou it be the coolant has gone further into the loom