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Audi A3, immobiliser / transmission issues

marvinb
in Audi A3 (8P) Forum

Featured Replies

Hi all, im in the process of repairing a 56 plate S line A3 2.0 tdi auto.. 

In its accident some wires were severed NSF corner, which i have repaired and am 100 confident of their continuity. Before refitting all of front end with rad pack etc i though i had better make sure engine starts, it won't.. 

There is no power being sent to starter solenoid.. Instruments and fuel pump etc all seem to work ok. 

Ross tec diagnostic program just says no communication to transmission and start up prevented by immobiliser. No comms with ecu or tcu, similar readings on snap on solus too. 

Both pairs of can wires from that corner have  continuity back to gateway, ( i swapped gateway, just in case.

Car has, been off road for about 5 years, now wondering if there is an immobiliser or synchronisation issue. 

Any help will be greatly appreciated. 

Marvin 

 

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