Question about 2003 Volvo S40

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I hv volvo fh12 2003 420 autometic display showing check break ECU at next stop

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Posted on Jan 02, 2017

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SOURCE: 2002 Volvo S60 (T5) The break ligth warning

i have s60 t5 the accerelator keep cutting on and off when driving what could be the problem

Posted on Aug 24, 2011

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SOURCE: What is the reason for showing in volvo truck dash display that engine ecu failure?

hi, let me give you some thoughts on your question. In todays comp.controlled hi elec. systems that make vech's. so powerful, milage,etc. when an elec. componet fails it can be a simple issue or a total engine shut down. the reason they have that feature is that is basicly your heart and soul of your vechicle. depending on what is failing in the ecm can make your vech. run bad, or not at all. hope that helps.

Posted on Apr 20, 2016

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SOURCE: Volvo FH12 2005 truck display shows Engine ECU Failure. what is the reason for this? please tell me in detail.

ECU is like your mother board and inside there is a PROM which is coded for your cars engine type and size etc. This prom keeps the systems as they should be like during warm up highway driving etc. Takes info from all the systems and makes fuel mixture, timing, and other adjustments to keep the car running correctly.Your prom needs replacing I think. This has to be done very carefully, Maybe best to take it to a shop.

Hope this helps Mike

Posted on Apr 20, 2016

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Volvo FH12 2005 truck display shows Engine ECU Failure. what is the reason for this? please tell me in detail.


ECU is like your mother board and inside there is a PROM which is coded for your cars engine type and size etc. This prom keeps the systems as they should be like during warm up highway driving etc. Takes info from all the systems and makes fuel mixture, timing, and other adjustments to keep the car running correctly.Your prom needs replacing I think. This has to be done very carefully, Maybe best to take it to a shop.

Hope this helps Mike

Apr 20, 2016 | Volvo Cars & Trucks

1 Answer

Prius 2005 triangle indication


The Triangle indication:
Description: MASTER WARNING LIGHT.
The battery ECU has a self-diagnosis system. If the computer, High Voltage (HV) battery system or the components are not working properly, the ECU carries out a diagnosis to detect the malfunction, and illuminates the master warning light in the combination meter together with the HV system warning indicator on the multi information display.
NOTE:
The master warning light illuminates when the HV battery system fails and it blinks when in inspection mode.

Apr 17, 2014 | 2006 Toyota Prius

1 Answer

My volvo V50 2.0D is showing that i have a 'brake failure stop slowly'. This has come on after the service/maintenance light has been on for a week or so now. It has also showed that i need my 'anti skid...


Check battery voltage (engine off= 12V; engine on=14.4V), then check fuses, then connect with Volvo diagnostic tool and check for error codes.

Aug 03, 2013 | 2006 Volvo V50

1 Answer

I have a 2005 volvo s40 1:8 ,the car wont start ,its cranking and petrol is coming ,the spark is there.the injectors only spry once and they stop.i checked all fuses and they are ok


Check your cam shaft position sensor. If that is good, and reading the correct voltage, then the next thing to check would be for proper ground at the injectors and the ECU. If you do not have a good ground, wire loose or broken then this can happen.

Jun 30, 2011 | Volvo S40 Cars & Trucks

2 Answers

1992 volvo 240 wagon, and rear break repair


rear disk brakes ,easly changed because the hand brake is inside the drum in the disk ,so just push out the pins and then push piston in on one side and renew pad then do the same on the other side of the piston .

Apr 17, 2010 | 1992 Volvo 240

7 Answers

I have 05 volvo vnl 670, isx cummins 450/500. keeps losing power, check engine ECU comes on knowbody seems to know what it is. they just keep replacing sensors.


I have a 2007 Volvo 670. The check vehicle ecu comes on. The fault code is MID 144 PID 191 FMI 5. THe truck won't go pass 1400 rpm, the speedometer doesn't work, the cruise doesn't work, the engine break doesn't work. I have to turn the truck off going down the road at highway speed for about 10 seconds and it'll go back to normal. Can anybody help?

Feb 16, 2010 | 2005 Volvo XC90

2 Answers

Volvo s80 2.9 brake failure stop safely asap , srs


Try removing the battery for half an hour or so and then reconnecting (check you have all your radio codes etc before you do this).

Jan 09, 2010 | 1999 Volvo S80

1 Answer

ECGU? where on the engine is it?


You mean ECU, Electronic Control Unit, the computer brain of your car. You can get it analysed (and replaced) at your Volvo dealer.

The ECU itself is not likely to be the cause itself, it's probably something else causing the ECU to stop working, like bad wiring, a failing sensor, a broken part, etc. Hopefully the ECU just shut your car down to prevent any (more) damage caused by something else. As stated the dealer can diagnose and hopefully fix this.

Aug 18, 2009 | 1993 Volvo 240

2 Answers

Left Front HID Flickers off after 2 seconds


Yr left side ECU under the headlight may be the culprit. Hv it checked.

Jul 29, 2009 | 2006 Volvo V50

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