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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW MKVI-A6 Golf family including Jetta SportWagen (~ 2010-2014)

VW MKVI-A6 Golf family including Jetta SportWagen (~ 2010-2014) Discussions area for A6/MkVI (2010-2014) Golf and Golf Wagons (Jetta Sportwagon in the USA).

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Old July 5th, 2010, 18:15   #16
UGM10Golf
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Ok, I dropped by my VW dealership today... Played dumb and told them my warning light has been on for a while and that the pressure is right.

1 hour later they came back and said my car was ready. There's 2 items on my invoice:
A. Check tire pressure light stays on. Check MVB 5, 6, 7, 8 all have 5.5 BAR settings. Change pressure to 2.3 BAR.
B. Check software and update 1 Control Module.
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Old July 6th, 2010, 10:25   #17
A8540TDI
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The recommended pressures for my car are 38 psi but I have been running at 35 without a TPMS light. We had loads of rain this past weekend and the evening temperature was much cooler than normal. Sure enough, the TPMS light came on and I guessed it was because the lower temps had reduced the pressure enough to trigger a warning. Indeed, the pressure was at 32-33 right at the threshold to trigger a warning. I pumped up the tires to 38 and after about 15 miles the TPMS light went out as I figured it should. Guess mine was set properly at the factory and did not default to the 5.5 bar setting! I'm happy - no trip to the dealer is necessary
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Old July 9th, 2010, 22:59   #18
UberVW_TDI
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TPMS system wants to see 2.6 bar (37.7 psi) or greater to automatically reset. After having some new tires installed on my car the TPMS light and "Tire Pressures are Low" warning was displayed on my MFD. The tire shop had my new tires at 33psi. I pumped them up to 35psi...TPMS light would not go out >1 hour. I drove back to the tire shop and they scanned each TPMS sensor in each tire to make sure they were transmitting. They were all working fine (each said its pressure was 32psi even though two seperate gauges said 35psi).
I drove around another 45 minutes...still no luck. TPMS warning still on.
I then pumped up the tires to 40psi. The TPMS warning light went out immediately. I reduced the pressure back down to 38psi. All is well. I wish the VW owners manual was a bit more detailed. All it says to do with the above symptoms is to visit your local VW dealer....Nice. How about, Step 1: "Make sure your tires are above 37.7psi"....The recommended tire pressure is 35psi in the door jam. Not sure why VW would make the system require 37.7psi to reset. I believe the trip point for low pressure is ~31 psi.
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Old July 10th, 2010, 22:20   #19
Arne in Oregon
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Hmmm. My Golf says 38 PSI on the door jamb.

My car's TPMS started doing its thing a couple of days ago. (Less than 600 miles!) Since I have access to a VCDS for a while, I'll fix it myself rather than have to leave it at the dealer.
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Old July 11th, 2010, 17:44   #20
Arne in Oregon
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Fixed mine today via VCDS. (Killed the DRLs and horn honk on lock, too.) But here's a question - has anyone had it do it a second time once it has been reset? Either by the dealer or via VCDS?
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Old July 20th, 2010, 14:54   #21
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Ok, guys, more bad news.

My light has come on again for the second time. Seems the first VW "fix" didn't hold and the update software does not fix the problem.

I've scheduled an appointment to get it in for a second time. I'm hoping VW has a better update available to fix this.
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Old July 21st, 2010, 07:06   #22
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I wonder, since not all of us are having this issue, if a faulty sensor or one that looses communication periodically would trigger this? Keep us posted as to the dealer's response.
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Old July 22nd, 2010, 12:19   #23
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Just got back from the dealership. The technician said that the module didn't have the right update coding and that's why it lost it's setting.

They told me they recoded it to the correct settings so it shouldn't happen again. I hope so at least.

They also did a 24I4 update in the ECM. Don't know exactly what it updates, but I suspect it's the update for the O2 sensor some people have mentioned.

Last edited by hotpocketdeath; July 22nd, 2010 at 12:48.
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Old July 26th, 2010, 16:38   #24
Roy3
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Had my TPMS re-calibrated today at 2,400 miles. Dealer stated the module defaulted to 5.5 bar and needed to be recoded to 2.3 bar. This service took 20 minutes max. I did it on my lunch break.
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Old August 2nd, 2010, 22:42   #25
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Unfortunately I've been using the Tire Pressure Indicator quite a bit lately. 1650 miles and I experienced it -- right rear was at 30psi -- pumped up to 38 and within 24 hours it was down to 20 psi. Pumped up again to 38 psi and now this morning (about 16 hours later) 20psi again. Going to bring to the dealership for inspection and full utilization of the silly tire-warranty I thought I was suckered into buying. Hopefully I can actually get some use from it.
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Old August 11th, 2010, 19:14   #26
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Quote:
Originally Posted by sflier View Post
I wonder, since not all of us are having this issue, if a faulty sensor or one that looses communication periodically would trigger this? Keep us posted as to the dealer's response.

If this helps the 2011 Golf and New Jetta doesn't use sensors in the tires anymore. They use the ABS sensors now for TPM.

Just one more thing added to the use of these sensors.
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Old August 24th, 2010, 13:32   #27
epc
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Quote:
Originally Posted by UberVW_TDI View Post
TPMS system wants to see 2.6 bar (37.7 psi) or greater to automatically reset... I believe the trip point for low pressure is ~31 psi.
My rear tire tripped the TPMS at 33 or 34 psi this morning. I was getting annoyed that I wasn't able to reset the light, until I saw this post. Pumped the rear tire to 38 psi, and the light went off!!

The manual is worthless!
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Old August 26th, 2010, 13:21   #28
eric 2010 golf
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Default mine doesn't need reprogramming...

My TPMS light came on flashing and then would default to glowing. I took it to the dealer for this and other repairs, and they didn't fix it because the CCM would not respond. It's in the shop now for replacement. Also, they may be guessing that my trailer wiring destroyed the CCM but I have had other problems that happened the minute I drove the car home after purchase. I can let you know how that goes.
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Old August 27th, 2010, 15:27   #29
firstgermancar
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Default Dealer needs part to fix my sensors!?

My local socal dealer called to say there were two software upgrades for my car, and I mentioned the low tire light was on (1,459 miles). The service rep said the 2nd of the two updates would solve the problem. So I bring it in, wait 1 hour, and they tell me car is ready. Get in, start it up and the low tire pressure light is on (steady), and the MDI says tire pressure low! So I show the rep, they take the car in back for 2 more hours, and say the software doesn't fix it, so they called VW and now they want to change the control module that controls the TP light. They ordered the part, I'm supposed to bring it back next week to have them change it.

Do you think these guys are clueless? They did seem to understand the calibration problem discussed in this thread, but said that wasn't what was wrong. Not sure what else I can try to do, except maybe inflating to 40 psi?

More disturbing, they said they have had TWO '09 Jetta TDI's in at that dealership for bad HPFP's! One had 55K miles and wasn't under warranty - $10,279!
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Old August 27th, 2010, 17:16   #30
eric 2010 golf
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definitely buying the extended warranty on my car... with lowest deduct and max term...
$10k car repair is NOT my idea of normal maintenance and repairs.
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