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Discussion Starter #1
Hello all. I am currently working on a 2006 307 SW 1.6HDI.
Problem being that "ABS faulty" comes up on the screen and the car wont start. When this happens DiagBox will not communicate with ABS or power steering ECUs. Fault codes are:
F4C3- Brake fluid level.
B9B7- Engine relay unit, Ignition +ve relay or harness
9651 (airbag)- supply voltage ignition controlled +ve
7150- Vehicle speed info.
If car isn't going to start, can take key, out lock and unlock then turn over straight away it will start, with no lights or codes.
I am thinking engine relay unit or wiring, but unsure where to start.
Any help appreciated.
 

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Discussion Starter #3
Thanks for replying.
That's what I feared, thought I'd see if there were any other likely causes before going in to the wiring.
 
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