Dub Crazy
VWwA Super Moderator
If the engine is running the battery won't affect the operation of the electrics in the car.
Super Moderator
VWwA Super Moderator
Unless the alternator is dead or not putting out enough amps, but then the car would die shortly after all those warnings.Originally Posted by h100vw
Given the OP says "tyre pressure, esp, steering and abs light" these are all related as they would be controlled from a common module.
But until a scan is performed it is just too hard to say.
MK4 GTI - Sold
MK5 Jetta Turbo - Sold
MK5 Jetta 2.Slow - Until it dies.
Volkswagen Fan
Normally I would agree.
I did have one car in which the (rather large) amp for my stereo would cut out/wipers shudder/lights dim (to the bass) while driving.
I thought for sure it was the alternator as the voltage was below 12V with the engine runninv and the car started fine.
What actually happened was battery was a drawing massive loads from the alternator.
Once I replaced the battery car was fine again.
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MY07 Red GTI 3 Door
Volkswagen Fan
Had a couple now that needed a new fuse powerbox as the abs unit was getting low power(around 7v) so the unit would not power up.
Widebody Cayman S Turbo, 83 ur Quattro
2000 996 C4 cab,12 Scirocco R OEM+ STG2+
72 914 (3.2S boxster pwr), 92 G60 Corrado
76 Scirocco(TFSI and DSG) 2018 Tiguan,Eureka,81 924.
New Dubber
Sadly i wish i could say it was just the battery but nope new abs module and pump, $2800 ....
New Dubber
Why this has not been recalled in Aus is beyond me...
New Dubber
Sorry to hear that. Mine failed last year in a big way at the end of the main straight at Sandown! I ended up replacing mine myself but it was a big job for a relatively inexperienced guy like me. Was a good justification for me to buy a VCDS cable though.
$2800 is worth the piece of mind that your ABS and ESC will work when you really need it.
New Dubber
This is a recall - 2009 GTI - initially a software update to lower the tolerance that the fault triggers (had my software done March 17, never had issues - just took it in for the recall) fault is poor earth in the ABS module I believe. Now Feb 2018 unit has failed - all the flashy lights and a reset lasts about 3 days before they reappear - took to VW and they have agreed to replace the module under the recall, just waiting on parts....fingers crossed!!
Recall notice is 45F2, google it for more info
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