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No CEL on ignition

1K views 11 replies 6 participants last post by  evonut270 
#1 ·
Hi folks,

Can anyone shed any light on why my CEL isn't coming on when my ignition is on? It's an 8 GSR and it died on me while idling at a junction, now it's just cranking but not starting. I also can't access the ECU with ecuflash, it's coming up with 'no response to any known code' 'interface close'. I tried another ECU in the car and the CEL comes up as normal. I could read the rom but I can't get any info from the original ECU to transfer it across because it's not reading it.

Appreciate any input cos it's driving me nuts!:wallbang:
 
#2 ·
#3 ·
Thanks Stu,

I'll have a nosey at those connectors later on. It was heavy rain when the car died on me.

I can't get the car going on the other ECU cos the I can't get my original immobiliser figures off it. It's strange how I can adjust and reflash the spare ECU but can't even get into the original one.
 
#6 ·
Thanks Stu,

I'll have a nosey at those connectors later on. It was heavy rain when the car died on me.

I can't get the car going on the other ECU cos the I can't get my original immobiliser figures off it. It's strange how I can adjust and reflash the spare ECU but can't even get into the original one.
Cant you just 'turn off' the immobiliser? (no idea if you can)

Stu
 
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