ABS, TCS lights, Cruise U/S

slovcan · 7th July 2019, 19:35

Hi folks,

On the first start of the day I get the ABS & TCS warning lights and the Cruise Control doesn't work. After driving a couple of kms I can stop, turn off the car, restart and all is good again. It will then remain good for the rest of the day. There is no brake shuddering at any speed and the speedometer is working fine. Can I conclude I need a new left front ABS sensor? I suppose I should have a look at the sensor wires first, though.

Now, here is a bit of a weird one and I can't believe it is related, BUT it is a pretty big coincidence. On the first start of the day the Climate Control will MAYBE start to function properly and cool, but then will start blowing hot ambient air. I leave it on AUTO all the time. When I start the car the AUTO position turns on the RE-CIRCULATION, too. At first I thought the RECIRC was causing the air to warm up, but now I know that isn't what's happening. When I restart the car (like for the ABS/TCS) the Climate control works properly again and blows cold air for the rest of the day. Coincidence?

Cheers,
Glenn

SD1too · 8th July 2019, 07:54

Glenn,

I am not familiar with the abbreviation "TCS". Can you decode it please so that I can fully understand your post? Many thanks.

Simon

vitesse · 8th July 2019, 08:04

Just delete the S and then it should make sense. Not hard to guess.

Mike

Mike Noc · 8th July 2019, 08:31

Traction control Simon.

Yes Glenn it sounds like a faulty left hand front sensor.

I had a similar fault when my OSF sensor started to break down - the speedometer would work fine from starting off and then read half the true speed and then fluctuate before it stopped altogether and the ABS light came on.

Stopped the car and restarted and again it would all work fine for a bit.

Just be careful if you have to drill the old sensor out and make sure you don't damage the magnetic reluctor on the bearing and clean up all the dwarf and any rust flakes.

slovcan · 8th July 2019, 10:09

Thank you guys! Yes, sorry, TCS is a throwback to the Nissan/Infiniti systems - the last cars I had with that system. Funny commonality - the Infiniti Q45 TCS relay was located under the battery tray. After a while (years) battery fumes would corrode the contacts of the relay and throw up the simultaneous ABS/TCS warnings.

Cheers,
Glenn

SD1too · 8th July 2019, 11:42

Quote:

Originally Posted by vitesse

Just delete the S and then it should make sense. Not hard to guess.

Quote:

Originally Posted by Mike Noc

Traction control Simon.

Thanks Mike and Mike!

Call me old fashioned but if I have to guess what an abbreviation means then the whole point of that abbreviation is lost.

Bearing in mind Glenn's location, it could have been something peculiar to the North American region.

Simon

COLVERT · 8th July 2019, 11:54

Quote:

Originally Posted by Mike Noc

Traction control Simon.

Yes Glenn it sounds like a faulty left hand front sensor.

I had a similar fault when my OSF sensor started to break down - the speedometer would work fine from starting off and then read half the true speed and then fluctuate before it stopped altogether and the ABS light came on.

Stopped the car and restarted and again it would all work fine for a bit.

Just be careful if you have to drill the old sensor out and make sure you don't damage the magnetic reluctor on the bearing and clean up all the dwarf and any rust flakes.

Is DWARF small swarf ???-------------------------------------

--

Mike Noc · 8th July 2019, 13:48

Well spotted John!

Sadly a combination of aging eyesight and modern autocorrect technology that needs to be a bit more clever than it currently is

.

7th July 2019, 19:35	#1
slovcan Gets stuck in 75 Tourer CDT MK2 manual in Glorious Grey Join Date: Jan 2018 Location: Slovakia Posts: 987 Thanks: 926 Thanked 346 Times in 252 Posts	ABS, TCS lights, Cruise U/S Hi folks, On the first start of the day I get the ABS & TCS warning lights and the Cruise Control doesn't work. After driving a couple of kms I can stop, turn off the car, restart and all is good again. It will then remain good for the rest of the day. There is no brake shuddering at any speed and the speedometer is working fine. Can I conclude I need a new left front ABS sensor? I suppose I should have a look at the sensor wires first, though. Now, here is a bit of a weird one and I can't believe it is related, BUT it is a pretty big coincidence. On the first start of the day the Climate Control will MAYBE start to function properly and cool, but then will start blowing hot ambient air. I leave it on AUTO all the time. When I start the car the AUTO position turns on the RE-CIRCULATION, too. At first I thought the RECIRC was causing the air to warm up, but now I know that isn't what's happening. When I restart the car (like for the ABS/TCS) the Climate control works properly again and blows cold air for the rest of the day. Coincidence? Cheers, Glenn __________________ Southern Slovakia Anything can happen in Formula 1 and usually does - Murray Walker 1999 Triumph Trophy 900, Saddlesore 1600, Iron Butt Riders Association #63720 2005 Rover 75 CDT Tourer MK2

8th July 2019, 07:54	#2
SD1too Doesn't do things by halves Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007 Location: Former Middlesex Posts: 20,344 Thanks: 1,587 Thanked 3,749 Times in 3,181 Posts	Glenn, I am not familiar with the abbreviation "TCS". Can you decode it please so that I can fully understand your post? Many thanks. Simon __________________ "Whatever is rightly done, however humble, is noble." Sir Henry Royce.

8th July 2019, 10:09	#5
slovcan Gets stuck in 75 Tourer CDT MK2 manual in Glorious Grey Join Date: Jan 2018 Location: Slovakia Posts: 987 Thanks: 926 Thanked 346 Times in 252 Posts	Thank you guys! Yes, sorry, TCS is a throwback to the Nissan/Infiniti systems - the last cars I had with that system. Funny commonality - the Infiniti Q45 TCS relay was located under the battery tray. After a while (years) battery fumes would corrode the contacts of the relay and throw up the simultaneous ABS/TCS warnings. Cheers, Glenn __________________ Southern Slovakia Anything can happen in Formula 1 and usually does - Murray Walker 1999 Triumph Trophy 900, Saddlesore 1600, Iron Butt Riders Association #63720 2005 Rover 75 CDT Tourer MK2

8th July 2019, 13:48	#8
Mike Noc This is my second home Rover 75 CDT Manual Connoisseur SE, Rover 75 CDT Automatic Connoisseur SE & a Freelander Td4. Join Date: Jul 2009 Location: Hampshire Posts: 11,547 Thanks: 3,470 Thanked 3,119 Times in 2,247 Posts	Well spotted John! Sadly a combination of aging eyesight and modern autocorrect technology that needs to be a bit more clever than it currently is . Last edited by Mike Noc; 8th July 2019 at 17:59..

8th July 2019, 08:04	#3
vitesse I really should get out more....... Rover 75 Saloon Join Date: Jul 2011 Location: Gävle Posts: 2,528 Thanks: 395 Thanked 823 Times in 652 Posts	Just delete the S and then it should make sense. Not hard to guess. Mike

8th July 2019, 08:31	#4
Mike Noc This is my second home Rover 75 CDT Manual Connoisseur SE, Rover 75 CDT Automatic Connoisseur SE & a Freelander Td4. Join Date: Jul 2009 Location: Hampshire Posts: 11,547 Thanks: 3,470 Thanked 3,119 Times in 2,247 Posts	Traction control Simon. Yes Glenn it sounds like a faulty left hand front sensor. I had a similar fault when my OSF sensor started to break down - the speedometer would work fine from starting off and then read half the true speed and then fluctuate before it stopped altogether and the ABS light came on. Stopped the car and restarted and again it would all work fine for a bit. Just be careful if you have to drill the old sensor out and make sure you don't damage the magnetic reluctor on the bearing and clean up all the dwarf and any rust flakes.