2018 Volkswagen Tiguan electrical system problems

43 owner complaints filed with NHTSA name the electrical system on the 2018 Volkswagen Tiguan — 15% of all complaints for this model year.

Electrical System complaints

15%

share of all complaints

13,000 mi

median reported incident mileage

1 / 2

crash / fire reports

What owners report

“I purchased this 2018 Volkswagen Tiguan in September 2019 and began noticing an intermittent rearview-camera problem around that time. I do not remember the exact date of the first occurrence because the problem initially happened only occasionally and was not persistent. When the vehicle is placed…”
filed Aug 25, 2026
“2018 VW Tiguan. The fuel injector harness failed. There is a NHTSA letter stating 2018-2019 Tiguans had this issue and there’s an extended warranty up to 120,000 miles. My Tiguan is at 91,000 miles, but VW is saying the warranty isn’t assigned to my VIN. So there’s a warranty for this exact issue…”
filed Apr 20, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: Part number 3Q0-959-435N software…
VOS-26-47 · Service Bulletin/Repair Instructions · issued Aug 14, 2026
This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: DA 0019 - Hotfix 12-V battery…
VOS-26-42 · Service Bulletin/Repair Instructions · issued Jul 15, 2026