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    Thread: Citroen berlingo 1.9d 2004 ecu failure
Post: RE: Citroen berlingo 1.9d 2004 ecu failure

I'd never heard of a coded stop solenoid. Maybe just that it's covered up and if you could get to it, using an alternative 12v supply would make it work.
Sol M49 Berlingo 15 1,588 02-08-2023, 11:17 PM
    Thread: Citroen berlingo 1.9d 2004 ecu failure
Post: RE: Citroen berlingo 1.9d 2004 ecu failure

Why not then, bypass the stop solenoid with a switch and then see if it starts. Thanks for the insight , I only had one 1.9D and it ran like a Swiss watch.
Sol M49 Berlingo 15 1,588 31-07-2023, 06:29 PM
    Thread: Citroen berlingo 1.9d 2004 ecu failure
Post: RE: Citroen berlingo 1.9d 2004 ecu failure

+1 for contacting HDi Tuning. Steve will be able to advise if he's able to help. AFAIK, the immo on the 1.9D is fairly easy to bypass as it only affects the stop solenoid on the mechanical fuel pump....
cancunia M49 Berlingo 15 1,588 31-07-2023, 06:08 PM
    Thread: Citroen berlingo 1.9d 2004 ecu failure
Post: RE: Citroen berlingo 1.9d 2004 ecu failure

The immobilizer pin is encrypted in the BSI within a little EPROM chip. You're getting into dark territory there where you need specific and not readily available to the public software to get the rom...
Sol M49 Berlingo 15 1,588 30-07-2023, 02:40 PM
    Thread: Citroen berlingo 1.9d 2004 ecu failure
Post: RE: Citroen berlingo 1.9d 2004 ecu failure

A replacement ECU off a breaker won't work mate, no point in wasting time or money on that option. More to it than the stop solenoid. Ok so here's what I would do, contact HDi Tuning UK and send th...
Sol M49 Berlingo 15 1,588 29-07-2023, 06:26 PM
    Thread: Citroen berlingo 1.9d 2004 ecu failure
Post: RE: Citroen berlingo 1.9d 2004 ecu failure

There's a line in the ECU code which asks the BSI for authorisation to start, if the key didn't match then that gets refused. The ECU needs that line removed in the code and it would work. Also needs ...
Sol M49 Berlingo 15 1,588 29-07-2023, 06:26 PM