2021 Volkswagen Tiguan problems & reliability
140 owner complaints filed with NHTSA for the 2021 Volkswagen Tiguan, alongside 5 safety recall campaigns. Last verified Sep 23, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several components.
2 complaints report injuries (2 injured).
Federal crash records (FARS 2020–2023): 2021 Volkswagen Tiguan vehicles were involved in 19 fatal crashes with 8 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine → | 52 | 37% |
| Unknown / Other | 29 | 21% |
| Electrical System → | 25 | 18% |
| Forward Collision Avoidance → | 11 | 8% |
| Fuel/propulsion System → | 11 | 8% |
| Power Train → | 11 | 8% |
| Structure → | 11 | 8% |
| Visibility/wiper | 8 | 6% |
| Engine and Engine Cooling | 5 | 4% |
| Exterior Lighting | 5 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 23 reported components →Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Complaints by incident year
What owners report
“At approximately 53,876 miles, my 2021 Volkswagen Tiguan experienced a severe, premature failure of the Positive Crankcase Ventilation (PCV) valve / oil separator assembly. The failure of this component caused an immediate, dangerous buildup of internal crankcase over-pressurization. Because the excess pressure could…”
Engine · filed Sep 16, 2026
“2021 Tiguan parking brake comes on without being commanded. There is a fault with the drivers door. I believe the the driver door module or corresponding wiring. The front drivers window toggle switch does not work the toggles switches for the rest of the window work only if the is not an error displayed on the dash…”
Electrical System · filed Sep 9, 2026
“Like many others, at 55k miles, our oil separator malfunctioned causing our oil pan to crack and dump every drop of oil. We had to replace the oil pan and fortunately our mechanic friend figured out it was the new pcv valve malfunction causing too much pressure in the engine. My wife was luckily pulling onto our…”
Engine · filed Sep 6, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
504 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2021 Volkswagen Tiguan. The 10 most recent:
Repair or Replace Information
V4622022067177_5 · Service Bulletin/Repair Instructions · issued Aug 27, 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: Part number 3Q0-959-435N software…
VOS-26-47 · Service Bulletin/Repair Instructions · issued Aug 14, 2026
Replacement instruction
V4015022033347_8 · Service Bulletin/Repair Instructions · issued Aug 10, 2026
Permission to change Daily Order upgraded to RED Order
TT 00-13-04_7 · Other · issued Aug 6, 2026
Differences between a leak and seepage
V0026012081638_2 · Service Bulletin/Repair Instructions · issued Aug 4, 2026
MIB3 Recovery Solution
V9123042071790_3 · Service Bulletin/Repair Instructions · issued Jul 20, 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
Over-the-Air Software Update Dealer Recovery Process
V9126042082628_2 · Service Bulletin/Repair Instructions · issued Jul 14, 2026
Oil Consumption Measurement and Electronic Oil Consumption Measurement
V1718062017813_24 · Service Bulletin/Repair Instructions · issued Jul 9, 2026
Over-the-Air Software Update Dealer Recovery Process
V9126042082628_1 · Service Bulletin/Repair Instructions · issued Jul 6, 2026
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2021 Volkswagen Tiguan has 5 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2021 Volkswagen Tiguan?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.