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BMW X3 Dash warning lights on and speedo not working.

BMW X3 Dash warning lights on and speedo not working.

Moley
Posting Freak
6,230
18-12-2018, 11:51 AM
#1
Hi everyone , got a bit of a problem with the X3 .

I was driving it today and the dash warning lights for the 4x4 , abs , handbrake and tyre pressure were all on, all of which were yellow .
Also the speedo was not working but the rev counter was .:thumbdown:

Has anyone any idea what could be wrong and is there a fix for it ?

Lexus IS200 Mods--TTE Supercharger, Tein Superstreet Coilovers & EDFC, 6000K HID Lights, HKS Silent High Power Exhaust, DBA Front Discs, Kenwood DNX9240 Head Unit, 19" Rims, TRD Kit, FIGS Bonnet Struts, Greddy Pillar Pod & Defi Gauges, TTE Red ARBS . And Been To WIM twice
Moley
18-12-2018, 11:51 AM #1

Hi everyone , got a bit of a problem with the X3 .

I was driving it today and the dash warning lights for the 4x4 , abs , handbrake and tyre pressure were all on, all of which were yellow .
Also the speedo was not working but the rev counter was .:thumbdown:

Has anyone any idea what could be wrong and is there a fix for it ?


Lexus IS200 Mods--TTE Supercharger, Tein Superstreet Coilovers & EDFC, 6000K HID Lights, HKS Silent High Power Exhaust, DBA Front Discs, Kenwood DNX9240 Head Unit, 19" Rims, TRD Kit, FIGS Bonnet Struts, Greddy Pillar Pod & Defi Gauges, TTE Red ARBS . And Been To WIM twice

ormi
Posting Freak
3,006
18-12-2018, 04:47 PM
#2
it could be a fault with the handbrake unit(yes it puts all those lights on)or as simple as a speed sensor which will do the same..
also if it has tyre pressure monitors in the wheels make sure all the tyres are with in 5 psi of each other that can also put the lights on..

awww poop just had a look on the forums mate and all the lights on could be a problem with the transfer case actuator....£1000 for the part and its a dealer only fit...best bet is to take it to bmw for diagnostic check as its only the bmw machine that can read the codes from the transmition ecu

[Image: ormiedit1-2.jpg]
TTE supercharger,pr0lex manifold,hks fcd,larger intercooler,apexi induction kit,silicone hose kit,IK22's,polished engine parts,TTE front bumper mod'd for intercooler,TRD side skirts,TRD rear lip,JDM headlights and fogs,10k hid headlights 8k full beam,L8XSS p/plate,fog/brake/light conversion,18"fox rs's,lowered 90mm(f)100mm®,moleys under bars,yellow trd anti rollbars,full stainless exhaust,carbon fiber intake plus so much more
ormi
18-12-2018, 04:47 PM #2

it could be a fault with the handbrake unit(yes it puts all those lights on)or as simple as a speed sensor which will do the same..
also if it has tyre pressure monitors in the wheels make sure all the tyres are with in 5 psi of each other that can also put the lights on..

awww poop just had a look on the forums mate and all the lights on could be a problem with the transfer case actuator....£1000 for the part and its a dealer only fit...best bet is to take it to bmw for diagnostic check as its only the bmw machine that can read the codes from the transmition ecu


[Image: ormiedit1-2.jpg]
TTE supercharger,pr0lex manifold,hks fcd,larger intercooler,apexi induction kit,silicone hose kit,IK22's,polished engine parts,TTE front bumper mod'd for intercooler,TRD side skirts,TRD rear lip,JDM headlights and fogs,10k hid headlights 8k full beam,L8XSS p/plate,fog/brake/light conversion,18"fox rs's,lowered 90mm(f)100mm®,moleys under bars,yellow trd anti rollbars,full stainless exhaust,carbon fiber intake plus so much more

ormi
Posting Freak
3,006
18-12-2018, 05:08 PM
#3
oh just remembered my mate had a very simalar problem with his x5(which uses the same system as your x3) his left rear speed sensor went faulty and his speedo stopped working and all the lights came on...the left speed sensor is what the speedo reading is taken off if that goes faulty it brings on all the lights..
as above get a dealer to run diagnostic just to make sure its a sensor then replace the sensor yourself...its only held on with one bolt
hope that helps as its the cheaper option...
or try disconnecting the bat that will reset the light and see if it comes back on again

[Image: ormiedit1-2.jpg]
TTE supercharger,pr0lex manifold,hks fcd,larger intercooler,apexi induction kit,silicone hose kit,IK22's,polished engine parts,TTE front bumper mod'd for intercooler,TRD side skirts,TRD rear lip,JDM headlights and fogs,10k hid headlights 8k full beam,L8XSS p/plate,fog/brake/light conversion,18"fox rs's,lowered 90mm(f)100mm®,moleys under bars,yellow trd anti rollbars,full stainless exhaust,carbon fiber intake plus so much more
ormi
18-12-2018, 05:08 PM #3

oh just remembered my mate had a very simalar problem with his x5(which uses the same system as your x3) his left rear speed sensor went faulty and his speedo stopped working and all the lights came on...the left speed sensor is what the speedo reading is taken off if that goes faulty it brings on all the lights..
as above get a dealer to run diagnostic just to make sure its a sensor then replace the sensor yourself...its only held on with one bolt
hope that helps as its the cheaper option...
or try disconnecting the bat that will reset the light and see if it comes back on again


[Image: ormiedit1-2.jpg]
TTE supercharger,pr0lex manifold,hks fcd,larger intercooler,apexi induction kit,silicone hose kit,IK22's,polished engine parts,TTE front bumper mod'd for intercooler,TRD side skirts,TRD rear lip,JDM headlights and fogs,10k hid headlights 8k full beam,L8XSS p/plate,fog/brake/light conversion,18"fox rs's,lowered 90mm(f)100mm®,moleys under bars,yellow trd anti rollbars,full stainless exhaust,carbon fiber intake plus so much more

Raymond
Junior Member
24
24-10-2019, 04:36 AM
#4
ormi his left rear speed sensor went faulty and his speedo stopped working and all the lights came on...

^^ That's right.

I don't know how far you are from me but if not to far you can use my cables and software to diagnose but the speed sensor or the ABS unit would be the most likely suspect.

I have CarSoft, INPA and PASoft here if that helps?
Raymond
24-10-2019, 04:36 AM #4

ormi his left rear speed sensor went faulty and his speedo stopped working and all the lights came on...

^^ That's right.

I don't know how far you are from me but if not to far you can use my cables and software to diagnose but the speed sensor or the ABS unit would be the most likely suspect.

I have CarSoft, INPA and PASoft here if that helps?

toxo
Posting Freak
4,843
24-10-2019, 07:26 AM
#5
[Image: 9cd17c67_holy20thread20resurrection.jpg]
toxo
24-10-2019, 07:26 AM #5

[Image: 9cd17c67_holy20thread20resurrection.jpg]

Raymond
Junior Member
24
24-10-2019, 08:10 AM
#6
:lol: Not looked at the date Blush
Raymond
24-10-2019, 08:10 AM #6

:lol: Not looked at the date Blush

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