Topic: AUTO GEARBOX (Read 2750 times)

JONNYWAKEY · « **on:** 26 September 2006, 18:22:38 »

HI GUYS, I AM A NEWBIE TO THE SITE, ALWAYS USE VAUX MECHANIC FORUM.
I OWN A 2001 Y REG 2.2 CDi OMEGA AUTOMATIC.

I HAVE A SPURIOUS FAULT WITH THE BOX, 95% OF TIME CAR DRIVES FINE, OCCASIONALLY THE CAR GOES INTO LIMP HOME MODE.

I BOUGHT A CODE SCOUT DIAGNOSTIC CODE READER, ONLY FAULT PRESENT IS P1700 - TRANSMISSION CONTROL UNIT, OCASSIONALLY P0700 IS PRESENT.

HAD OIL PRESSURE SWITCH CHANGED LAST YEAR AT GEARBOX UK, THEY SAID BOX WAS MECHANICALLY SOUND - TORQUE CONVERTER SOUND ETC.

COULD THIS BE OIL & FILTER REQD OR COULD IT BE A FAULTY TRANSMISSION ECU ?

I AM IN NOTTS AREA IF ANYONE NEEDS CODES READING - EMAIL JONNY27WAKEY@AOL.COM

CHEERS

TheBoy · « **Reply #1 on:** 26 September 2006, 18:24:00 »

Likely candidates are oil/filter, or the selector switch (does the little lights by gear lever always light up as expected (eg D, N, R etc))?

JONNYWAKEY · « **Reply #2 on:** 26 September 2006, 18:27:42 »

YEAH THE LIGHTS ARE ALL LIGHTING UP OKAY !

DO YOU THINK ITS OIL AND FILTER REQD THEN ?

TheBoy · « **Reply #3 on:** 26 September 2006, 18:33:06 »

When it plays up, are all little lights OK?

JONNYWAKEY · « **Reply #4 on:** 26 September 2006, 18:36:58 »

THINK ALL LIGHTS OKAY BUT IT WON'T LET ME SELECT SPORTS MODE, I AM THINKING OF HAVING THE ECU REFURBISHED AT THE FOLLOWING PLACE

WWW.AUTOTEKELECTRONICS.CO.UK

TheBoy · « **Reply #5 on:** 26 September 2006, 19:03:59 »

Is that it won't let you select sports when in limp home (normal) or at any time (fault)

JONNYWAKEY · « **Reply #6 on:** 26 September 2006, 19:08:05 »

It won't let me select sports mode when fault on, when playing up I use 1,2,3,D when changing from 1 to 2 the car judders.

Car been driving fantastic today, spent £430 on it at weekend, new timing belt & tensioners, new 4 electrode bosch plugs, oil and filter, new auxhillary belt and a new tensioner, 2 new front tyres and two front track rod ends!

TheBoy · « **Reply #7 on:** 26 September 2006, 19:11:27 »

I would probably change oil/filter and see what happens then. Can your code reader do a live data view, as that may help...

Taxi_Driver · « **Reply #8 on:** 26 September 2006, 20:23:16 »

This sounds almost excatly like the fault on mine.....except when i read the code its the same as yours plus i get cam sensor.....

When it does it on mine.....my meegas in limp mode...same as yours....jerking when you select gears manually...no sports mode and in 3rd gear all the time

If AA where here he would shout CAM SENSOR.....which i might think is the same prob as yours

Worth a try first...and cheaper

HTH

Kev · « **Reply #9 on:** 26 September 2006, 21:15:45 »

Quote

If AA where here he would shout CAM SENSOR.....which i might think is the same prob as yours

That's cos it is the Cam Sensor.

TheBoy · « **Reply #10 on:** 26 September 2006, 21:57:27 »

Are you reading gearbox fault codes, or just engine codes, as I cannot find either of the codes mentioned earlier against gearbox - I think they are engine ecu codes....

Taxi_Driver · « **Reply #11 on:** 27 September 2006, 06:34:36 »

Quote

Are you reading gearbox fault codes, or just engine codes, as I cannot find either of the codes mentioned earlier against gearbox - I think they are engine ecu codes....

They will be engine ecu codes.....same codes as mine brings up (except i get cam sensor as well)
Im pretty certain AA said his flagged up gearbox fault codes as well before his cam sensor was changed.

Hillper · « **Reply #12 on:** 27 September 2006, 09:49:13 »

If the car's done more than about 80K, and/or it's been worked hard, it's worth changing the oil and filter anyway.

Mine had exactly the same problem. 'Automatic gearbox' warning on TID and limp home mode.
New oil and filter cured it. (VX dealer wanted to carry out £200 'diagnostic' and change ECU!).

TheBoy · « **Reply #13 on:** 27 September 2006, 13:02:16 »

I'd go with oil change, if that doesn't cure it, read codes from gearbox ECU (probably need a better code reader)

Marks DTM Calib · « **Reply #14 on:** 27 September 2006, 13:19:30 »

The sensible thing to do is a gearbox oil change and filter clean/repalce as a starting point.

The box will benefit from this anyway and it is known to cause these type of sysmptoms.

JONNYWAKEY · « **Reply #15 on:** 30 September 2006, 11:08:37 »

Car is booked in to garage on Thursday to have gearbox flushed and refilled with oil.

Could a faulty camshaft sensor cause the car to go into limp home mode ?.

I code read the car yesterday when the fault happened again, spookily it was the same place i went to last week when the car played up, the only reasoning behind it is that the car park is on a slope, could this also cause the Transmission ECU to thinking there isn't enough oil in the box because on way home I stopped on level ground and switched off the engine and restarted after a minute - all was fine!

Anyway i would value you r advice as to whether the camshaft sensor could cause the limp home mode and put the car & spanner light on the dashboard.

Many thanks

Markjay · « **Reply #16 on:** 30 September 2006, 13:06:35 »

I think that AutoAddict may be able to answer this question - I believe he had similar car-park related problems in the past.

Kev · « **Reply #17 on:** 30 September 2006, 15:47:05 »

Jonny, PM sent. [smiley=thumbsup.gif]

Taxi_Driver · « **Reply #18 on:** 30 September 2006, 17:05:19 »

Quote

Car is booked in to garage on Thursday to have gearbox flushed and refilled with oil.

Could a faulty camshaft sensor cause the car to go into limp home mode ?.

I code read the car yesterday when the fault happened again, spookily it was the same place i went to last week when the car played up, the only reasoning behind it is that the car park is on a slope, could this also cause the Transmission ECU to thinking there isn't enough oil in the box because on way home I stopped on level ground and switched off the engine and restarted after a minute - all was fine!

Anyway i would value you r advice as to whether the camshaft sensor could cause the limp home mode and put the car & spanner light on the dashboard.

Many thanks

Yes it could......mine does it quite a bit esp when restarting with a hot engine (10mins or so), but not all the time. Cold engine and it never goes into limp mode.
Also again yes the spanner light on mine has been permanently on for the last week.
As I said in a prev post.....sounds exactly like the fault on mine BUT i do get cam sensor code as well as the gearbox codes.

Mines in at vx dealer at the mo to fix it (only the 7th time now!)
Should know on Monday the outcome.....hopefully they will change the cam sensor this time and not keep dicking about!!

Auto Addict · « **Reply #19 on:** 30 September 2006, 21:45:40 »

Yes I did have a similar sort of problem. After several visits to the dealer, and eventually getting them to contact Vx Tech Support, after 3 days they discovered it was the cam sensor.

This was around March/April this year and since then I haven't experienced any problems.

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Author Topic: AUTO GEARBOX (Read 2750 times)

Taxi_Driver

Taxi_Driver

Taxi_Driver