S40 Headache

jonnielossie · Nov 30th, 2007, 22:35

Hi all,

Am new to the site, just got my first volvo about a month ago, and was very happy with it..............for a while.

Its a 1998 S40 CD 2.0 Occasionally when I try to start it the immobilizer light flashes and it wont start. Other times the light next to it (electronic system I think) flashes, then the immobilizer starts flashing and it wont start.

Sometimes, simply taking the key out and trying again will sort it. Other times it could take 10 mins of trying until it will start.

My wife had it to a volvo dealership when I was at sea and they bypassed the immobilizer power supply, it was fine for 2 weeks after that, now its back to its old tricks.

I spoke to dealership on the phone today, they said that as its intermittent, they could TRY bypassing other wires and see what would happen.

Only other option is to renew the harness which would cost more than the cars worth.

Anyone experienced this, or have any tips? If i could take the immobilizer out and wing it in a bin i would, but I'm guessing it wont be that easy.

Any pointers would be gratefully received

Jonnie

JIM C · Dec 1st, 2007, 02:48

Hello and welcome to the forum.
Best of luck with your technical question.

CTCNetwork · Dec 1st, 2007, 12:02

Hi,

I suggest you search this forum and use "immobilizer" as your search word.
You should come up with 12 posts with this issue.

Could well be the antenna or the ignition lock/barrel.

Welcome to the club, have fun here..

Des. . .

MidnightT4 · Dec 1st, 2007, 13:38

does sound as if it is the ignition barrel.

jonnielossie · Dec 1st, 2007, 17:08

thanks everyone. I had an idea yesterday and we've not used the fobs for locking or unlocking since then. Been out in the car a few times since and had no starting problems. Could easily be coincidence tho.
I'll check the connections at the ignition barrel tomorrow.
Noticed on one of the other threads that someone had a similar problem and found the fault to be the cars battery not holding a charge thus not delivering enough voltage. Could this be a possibility?
Noticed when driving today that the red alarm LED on the left side of dash stays on constantly. Something wrong there also?
Thanks again for takin the time to read my question and give advice.
Jonnie

Nov 30th, 2007, 22:35	#1
jonnielossie New Member Last Online: Dec 2nd, 2007 09:06 Join Date: Nov 2007 Location: Lossie View Photos By: jonnielossie	S40 Headache Hi all, Am new to the site, just got my first volvo about a month ago, and was very happy with it..............for a while. Its a 1998 S40 CD 2.0 Occasionally when I try to start it the immobilizer light flashes and it wont start. Other times the light next to it (electronic system I think) flashes, then the immobilizer starts flashing and it wont start. Sometimes, simply taking the key out and trying again will sort it. Other times it could take 10 mins of trying until it will start. My wife had it to a volvo dealership when I was at sea and they bypassed the immobilizer power supply, it was fine for 2 weeks after that, now its back to its old tricks. I spoke to dealership on the phone today, they said that as its intermittent, they could TRY bypassing other wires and see what would happen. Only other option is to renew the harness which would cost more than the cars worth. Anyone experienced this, or have any tips? If i could take the immobilizer out and wing it in a bin i would, but I'm guessing it wont be that easy. Any pointers would be gratefully received Jonnie

Dec 1st, 2007, 02:48	#2
JIM C Forum Support Team Last Online: Jul 4th, 2021 16:28 Join Date: Dec 2003 Location: Scotland View Photos By: JIM C	Hello and welcome to the forum. Best of luck with your technical question. __________________

Dec 1st, 2007, 12:02	#3
CTCNetwork Forum Support Team Join Date: Dec 2004 Location: Liège, Belgium View Photos By: CTCNetwork	Hi, I suggest you search this forum and use "immobilizer" as your search word. You should come up with 12 posts with this issue. Could well be the antenna or the ignition lock/barrel. Welcome to the club, have fun here.. Des. . . __________________ Density:- Not just a measurement ~ It's a whole way of Life.! ! ! I drive a Volvo, Please Don't Get In My Way! OldVolvos4Ever He shows up. People die. He vanishes. People should not be afraid of their governments. "He'll deliver more justice in a weekend than 10 years of your Governments should be afraid of their people... "V" courts & tribunals. Just stay out of his way." "I plan to."

Dec 1st, 2007, 13:38	#4
MidnightT4 Senior Member Last Online: Aug 5th, 2023 18:55 Join Date: Aug 2007 Location: Aberdeen	does sound as if it is the ignition barrel. __________________ Flat Earth Riders Group.

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Dec 1st, 2007, 17:08	#5
jonnielossie New Member Last Online: Dec 2nd, 2007 09:06 Join Date: Nov 2007 Location: Lossie View Photos By: jonnielossie	thanks everyone. I had an idea yesterday and we've not used the fobs for locking or unlocking since then. Been out in the car a few times since and had no starting problems. Could easily be coincidence tho. I'll check the connections at the ignition barrel tomorrow. Noticed on one of the other threads that someone had a similar problem and found the fault to be the cars battery not holding a charge thus not delivering enough voltage. Could this be a possibility? Noticed when driving today that the red alarm LED on the left side of dash stays on constantly. Something wrong there also? Thanks again for takin the time to read my question and give advice. Jonnie

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