Vauxhall Signum Electrics, ECU, Warnings & Lights Problems

Electrics, ECU, Warnings & Lights Problems and faults
Also the brake light warning keeps coming on after the fault has been rectrified

Just brought the car and the brake light warning is still on despite the problem being resolved

2007 Vauxhall Signum cdti 150
Posted: Aug 28, 2021
1
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Where are the relay switches on a vauxhall signum 2007

The car has an occasional dead instrument panel and the brake lights dont work.

2007 Vauxhall Signum design cdti 150
Posted: Aug 28, 2021
2
replies
Smoke coming from air vents

Started car up and filled with smoke from the air vents Smells electrical

2005 Vauxhall Signum 1.9 tdi
Posted: Sep 28, 2020
1
reply
Headlights

headlights do not work on main beem i have put new bulbs in but still dont work

2003 Vauxhall Signum 3.2 v6
Posted: Dec 21, 2016
1
reply
Instrement panal

all my interment panel is dead

2006 Vauxhall Signum 2.2 elite
Posted: Jul 7, 2015
4
replies
Speedo

I have nothing showing on my diles such as speedo rev counter indicators etc

2006 Vauxhall Signum 2.2 elite
Posted: Jul 7, 2015
3
replies
Dipped beam

have main beam but no dipped beam on both head lights

2006 Vauxhall Signum 2.2 auto
Posted: Mar 15, 2015
1
reply
Diagnostic doesnt communicate with ECU

Hi I have a Vauxhall Signum 2004 Diesel, it starts sometimes but sometime it doesnt at all. Also when tried to communicate with diagnostic it says ECU doesnt reply, please help

2004 Vauxhall Signum 2.o dti
Posted: Feb 11, 2012
3
replies
Maf sensor

hello have a signum 2.8 turbo elite which has recently been remapped having some problems with the car overboosting and going into limp mode and the auto gearbox going into emergency mode guy who mapped it has been out about 3 times...

2006 Vauxhall Signum 2.8 Turbo
Posted: Sep 17, 2011
0
replies
Clicking relay.

When using remote to unlock car a relay in the engine bay on left hand side around the glove box area clicks for about 5 secs then stops. No other problems with the car, starts and runs OK.

2003 Vauxhall Signum 1.9CDTi
Posted: May 9, 2011
2
replies
Limp mode engine man light on and off

my car goes into limp/safe mode,got stuck going up hill called the AA who read the code (forgot code) but it said that there was air in the system,the engine management light keeps coming on and then the car looses power and crawls at 5mph,...

2006 Vauxhall Signum 1.9 CDTI
Posted: Mar 22, 2011
1
reply
Windscreen wipers

Intermittant fault with the windscreen wipers. Sometimes they occassionally stop working in all settings less the maximum speed. I have checked fuses/relays and no obvious fault. Any ideas welcome.

2005 Vauxhall Signum 2.0 D
Posted: Mar 7, 2011
1
reply
Seat belt warning light stays on and buzzer sounds all the time

warning light and buzzer stays on constent, even when seat belt clicked in, goes off every now and then when driving, but for the most part, ping, ping, ping, ping...... doin my ed right in, lol

2006 Vauxhall Signum 1.9 diesel
Posted: Jan 8, 2011
2
replies
Engine management light coming on then safe mode

had the car 3 months under warranty occasionally comes up with engine management warning light (spanner on a car). fault codes show P0638 which shows up electronic throttle positioning sensor circuit high input and throttle control circu...

2003 Vauxhall Signum 2.2 diesel elite
Posted: Aug 13, 2010
1
reply
Fault Code PO234

Anypne have any ides what this fault code is

2004 Vauxhall Signum 2ltr DTI
Posted: Jun 17, 2010
2
replies
Fuel problem

i bought this car last year and the when you fill the car up with eg £20.00 petrol it will go to just under 1/2 tank on gauge but computer read out says eg 80 miles i have not had it (on computer read out ) go above 124 miles is the car us...

2005 Vauxhall Signum 2.2 elegance auto
Posted: Jan 24, 2010
1
reply
Exhausting black smoke and going int safe mode

my engine management light is on, car wont rev above 3000rpm going into safe mode, exhausting lots of black smoke,changed egr valve and air flow but no joy.

2004 Vauxhall Signum 1.9 cdti 150 bhp
Posted: Sep 23, 2009
5
replies
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