My dealer replaced the battery, updated the firmware and did a parasitic drain test.
I had U350100 as a soft fault in my Tiguan's system for a while about a year ago. I had it throw a hard fault and CEL for the same code twice. I found this to be caused by a fatiguing main battery. Not able to hold a high enough charge constantly to keep all the systems happy. I replaced and coded the replacement battery (000-915-105-CC-DSP) from VW. Made sure to change it's coding to know it was an AGM battery I installed in the Tiguan. Fault has not returned since.
When you change/disconnect the battery you will have the dash light up....just drive it and they clear out once you hit ~10mph.
Tdi Touareg (mid 2000s) battery fits, with posts recessed and in the right place. Dealer price used to be like $115 and they are solid 900cca performers.
My original vw battery made it 8 years and 170k miles, but 10 years is pretty damn good!
Just got off the phone with my dealer to check, just in case they had a different update. Turns out my VIN has a recall on the battery. He stated as long as it's under 3 yr/36k it's eligible for replacement. Something to do with the connection was the reason for recall. Needless to say I have an appt. next week for a free battery replacement. My 2016 is at 2 yr/22k. I've had no issues myself other than the time it died while I was fiddling around in VCDS in the garage with the light switch in Auto (clearly my fault) :banghead: Thanks for the free battery replacement VW :thumbup:
Since the battery weighs ~40 lbs this isn't really a significant weight change from front to rear so I've no idea if the car handles any differently. Would I recommend this mod? Probably not as it's not cheap and has no real performance advantage and more crazy than anything.
I had Subaru batteries last me only 2 years in upstate NY. I kept getting them for free under warranty. I probably got 4 this way. Finally, the dealer said your alternator is bad and that's why they are going bad (completely bogus). I started going to a local mechanics soon after that and they told me that super OEM batteries are complete garbage.
I have a 2019 Subaru outback. The battery dies every two months and I am left stranded.
The OEM battery sucks I upgraded mine to an AGM with an extra 100 or so CCA. A better battery will also let your auto start stop last longer. Stock battery would never last a stop light for while under load new battery gives me a lot more time even under load.
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