Odd TCS issue

[hectic]

Hi,

Got a weird intermittent TCS issue with my Seat Leon Cupra TDI (04).

Twice now, whilst driving, the TCS light has come on the dash (the triangle with the circular arrow around it), and I have experienced reasonably severe juddering, especially when trying to accelerate in a high gear at (relatively) low revs.

I have had it VAGCOMed twice now and on both occasions there are no errors at all.

N.B.: Prior to the light coming and juddering starting I was experiencing some hestiation, like you might get if you had fuel contanimation (or were just running out of fuel).

Any insights would be gratefully received.

H

 

[MJ]

Mass airflow meter

 

[MJ]

Read measure value block 01 on Vag com, te last figures on the right (or the one that say airflow meter readings). it should read from 0 (no strain on the engine) to 255 (engine under full load and turbo on full boost) if it does not reach 255 there's a fault with the meter.

 

[hectic]

Thanks, f*cking awesome reply, I will tell my pet mechanic.

H

 

[hectic]

Love your Leon BTW - it needs a mother****ay blanket though

 

[Andrewcupra TDI]

mine kicked up 2nite to , tcs and abs brake eml , brakes started to make a noise like the abs half on,

last time this happened it was a wheel speed sensorgone , but no codes came up ???

 

[Andrewcupra TDI]

vag com'd m mine it was wheel sensor gone again , last time it went was about a year ago

same one too !!

 

[MarkWales]

is that much work andrew

 

[Andrewcupra TDI]

cant see it being that much , cost me £65 last time (£25 diagnosis £20part £20 labour )

Ive diagnosed it £Free
will get prices of TPS later

it gave me a code 00283 front left wheel speed sensor (G47)
also 012 fault in circuit

any ideas if thats just sensor gone or wiring too

cheers

p.s mark how did the carbonio go

 

[MJ]

Speed sensor could explain the tcs light but not the juddering and hesitation, however its a piece of p1ss to check the speed sensor function on measure value blocks on vag-com:

Address "03 - brake electronics" then either value 00 or 01, this will give you the speed reading of all 4 wheels.

On earlier models the tcs/esp was effected by the function of the MAF function because it cut off the fuel supply in order to prevent wheel spin. If the MAF is not sending a correct reading then the ABS and engine control units cannot determine how to cut the fuel, dab the brakes etc so it bring on the TCS/ESP light and limits its function.

 

[Andrewcupra TDI]

MJ should the light come on if you dab the brakes ??
i do it from time to time and never seen a light apear just shuts the fueling

 

[Andrewcupra TDI]

cant see it being that much , cost me £65 last time (£25 diagnosis £20part £20 labour )

Ive diagnosed it £Free
will get prices of TPS later

it gave me a code 00283 front left wheel speed sensor (G47)
also 012 fault in circuit

any ideas if thats just sensor gone or wiring too

cheers

p.s mark how did the carbonio go

just rang seat @£48.19 +vat
TPS £44.33

is it worth sticking with geniune
i think last time it was changed it must have been with an aftermarket one believe it was from europarts ?

cheers

 

[MJ]

No mate, if any lights appear when braking then there's a problem, Normally a low fluid level.
The only time any tcs/esp lights should come on is when you attempt to spin the wheels and the tcs/esp intervenes or when you loost traction then it should flash until traction has been re-gained.

 

[cupra.steve]

I had the TCS light come on and not turn off on my MK3 Ibiza cupra and this was the MAF sensor

 

[Andrewcupra TDI]

cheers

is it worth sticking to geniune parts for the sensor ??

cheers

 

[Andrewcupra TDI]

well bought genuine one after £51
fitted it and is still coming on

anything i can test rather than buy the wiring bit too

cheers

 

[hectic]

Hi,

Still getting this vexing TCS issue. VAGCOM shows a fault with the:

ASR FRONT MK60

Can anyone say if this is an ABS sensor issue?

Thanks
H

 

[hectic]

Similar to this:

Address 03: ABS Brakes
Controller: 1C0 907 379 K
Component: ASR FRONT MK60 0103
Coding: 0013313
Shop #: WSC 00001
1 Fault Found:
01314 - Engine Control Module
013 - Check DTC Memory - Intermittent

 

[MJ]

it's probably more an engine speed sensor fault with those codes. Read the engine fault codes and post them up.

 

[hectic]

Appreciate the reply, many thanks.

This is the complete fault reading:

Address 01: Engine Labels: 038-906-019-ARL.lbl
Part No: 038 906 019 KG
Component: 1,9l R4 EDC 0000SG 5342
Coding: 10002
Shop #: WSC 06402
VSSZZZ1MZ4R085901 SEZ7Z0D2392745

1 Fault Found:
16705 - Engine Speed Sensor (G28): Implausible Signal
P0321 - 35-00 - -
Readiness: 0 1 0 0 0

-------------------------------------------------------------------------------
Address 03: ABS Brakes Labels: 1C0-907-37x-ASR.lbl
Part No: 1C0 907 379 K
Component: ASR FRONT MK60 0103
Coding: 0022017
Shop #: WSC 00001 001 00001

1 Fault Found:
01314 - Engine Control Module
013 - Check DTC Memory - Intermittent