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Andrew

posted on 24th May 10 at 18:59

ECU crash :o


LeeM

posted on 24th May 10 at 18:37

how fucking strange, just disconnected the battery for a couple of minutes and now the car starts and runs again :s


LeeM

posted on 24th May 10 at 17:35

just had a look in the fusebox everything seems intact. but when you move one of the relays (number 14 according to the lid) the engine starts turning over :s


SportBoy

posted on 24th May 10 at 17:33

my dads vectra did this at the start of the year , had to tow it to vauxhall for them to re-code the immobiliser ,been fine since.


belton

posted on 24th May 10 at 17:10

Yea engine would only turn over and none of the clocks worked/any of the lightls like engine management. Switched the fuse and fired up straight away


LeeM

posted on 24th May 10 at 13:00

Was it exactly the same? I'm hoping it's somethin that simple :(


belton

posted on 24th May 10 at 09:31

This same sort of thing happened to mine yesterday. It was a fuse. Check them all carefully because My mate didn't notice first time


mart08uk

posted on 23rd May 10 at 23:16

Just a stab but could it be a fuse out? or even bad earth somewhere?


shaunmods

posted on 23rd May 10 at 20:30

Just an idea :) Its better to check all the obvious stuff before shelling out for a new ECU when it might not be that causing it


LeeM

posted on 23rd May 10 at 20:29

if its an option ill look at it.
im just baffled, ive never had any problems like this to give me a clue somethin was on the way out :(


Ryan_G1

posted on 23rd May 10 at 20:25

I highly doubt the transponder plug would have just fell out


LeeM

posted on 23rd May 10 at 20:24

would that cause the other faults with bcm and clock module? all i can do is pull the panels from around the column and make sure everythins plugged in

[Edited on 23-05-2010 by lee_wee]


shaunmods

posted on 23rd May 10 at 20:12

The transponder hasn't accidently become unplugged has it? If the EML is flashing it will be something to do with either you transponder, ECU or key chip


LeeM

posted on 23rd May 10 at 19:09

just need to know if theres anythin that can cause this other than a completely knackered ecu, maybe loose connection and was that a coincidental case of detonation or was it related to the fault because its never happened before


Ryan_G1

posted on 23rd May 10 at 19:02

sounds like it.


LeeM

posted on 23rd May 10 at 19:02

nope, chips in the key and intact. its pretty clear the ecu isnt talking to the bcm or clock modulend isnt reading the key which is why i think it may be internal to the ecu?


Ryan_G1

posted on 23rd May 10 at 18:59

Has you key fallen to bits at any point? Sounds like an immoblisation fault


LeeM

posted on 23rd May 10 at 18:57

just done a 100 mile round trip, stopped a couple of times and then just driven less then a mile since its last stop.
got to mine turned the engine off and it carried on running, caughing and spluttering for a second or 2 and cut out.
went to start it again and it just turns over and one of the engine management lights flashes (car with the spanner) then when i stop cranking it the eml above it just stays on.
ive got the following error codes;
P1481 Fan Relay 1 Circuit High C-34
P1614 Wrong Security Code received Immobiliser C-06
P1615 Wrong Vehicle ID from Body Control Module C-40
P1616 Wrong Vehicle ID from Instrument Control Module C-40

i take it my ecu has just given up? it seems strange that it ran on without ignition being on then this happened immediately after?

WTF do i do now!?!?!?!