2020–2025 XU70 (4th generation)
2020–2025 Toyota Highlander Common Problems and Years to Avoid
7 documented problems with the 2020–2025 Toyota Highlander, with symptoms, affected years, and typical repair costs. 3 of them are serious. 6 carry a recall or TSB number.
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2020–2025 Toyota Highlander recalls and service bulletins
| Recall / TSB | Issue | Severity |
|---|---|---|
| NHTSA 20V-162 | Stop-start ECU programming error (recall) | moderate |
| Toyota fuel-fill TSBs; 2022 class action (no NHTSA recall) | Hybrid fuel tank won't fill to capacity | moderate |
| NHTSA 23V-865 | Occupant Classification System sensor short (recall) | major |
| NHTSA 23V-480; follow-up 25V-040 | Steering spiral cable. Driver airbag may deactivate (recall) | major |
| NHTSA 25V-595 | Instrument cluster can fail to display speed and warnings (recall) | moderate |
| NHTSA 23V-720 | Front lower bumper cover detaches after minor impacts (recall) | minor |
Recall work is free at a franchised dealer regardless of the vehicle's age, mileage, or how many owners it has had. Check your VIN against the NHTSA database to see what is still outstanding on your specific vehicle, a recall listed here may already have been performed.
8-speed transmission whine, shudder, and failures (2020–2022 V6)
majorThe dominant NHTSA complaint category for this generation: 2020–2022 V6 cars with the UA80 8-speed report whining/grinding (front carrier pinion shafts on AWD units), low-speed shudder, harsh shifts, and in a minority of cases full transmission replacement. Toyota addressed symptoms with software and hardware TSBs; out-of-warranty replacements are expensive, so get any noise diagnosed while the 5 yr/60k powertrain warranty applies.
Stop-start ECU programming error (recall)
moderateA programming error in the engine control unit could starve the engine of fuel when the stop-start system restarted it, causing hesitation or stall. Dealers reflash the ECU free of charge.
Hybrid fuel tank won't fill to capacity
moderateMany 2020–2021 Highlander Hybrids can't take anywhere near the advertised 17.1 gallons, the pump clicks off around 12–13 gallons and the range estimate suffers. A tank-venting design issue prompted a class action; Toyota issued service bulletins and replaced fuel tank assemblies on some vehicles. If affected, document fills and work with the dealer under warranty.
Occupant Classification System sensor short (recall)
majorA short circuit in the front passenger seat's OCS sensor can prevent the passenger airbag from deploying properly. Part of Toyota's ~1-million-vehicle December 2023 recall; dealers inspect and replace the sensor free.
Steering spiral cable. Driver airbag may deactivate (recall)
majorA defective spiral cable assembly in the steering column can break its connection and deactivate the driver's front airbag, lighting the airbag warning lamp. Toyota recalled 2023 Highlanders and later re-recalled some previously repaired vehicles. Free replacement.
Instrument cluster can fail to display speed and warnings (recall)
moderateOn 2023–2024 models the instrument panel may fail to show vehicle speed, brake system, and tire pressure warnings. Fixed with a free dealer software update.
Front lower bumper cover detaches after minor impacts (recall)
minorA minor parking-lot bump can leave the front lower bumper cover loose or falling off entirely, a road hazard. Toyota recalled 2020–2023 Highlanders to improve the bumper cover retention free of charge.
Problems listed here are compiled from NHTSA complaints, recalls, technical service bulletins, and widely documented owner reports for the 2020–2025 Toyota Highlander. Not every vehicle will experience these issues.
Which Toyota Highlander model years does this cover?
These problems and recalls specifications apply to every Toyota Highlander built from 2020 through 2025 — the XU70 (4th generation), mid-size 3-row crossover suv (tnga-k platform). Nothing in this specification changes between those model years. Pick your year for the engines it offered, what changed that year, and the problems recorded against it.
What changed during the 2020–2025 Toyota Highlander
- 2020Generation launch on TNGA-K. Towing: 5,000 lbs V6 with tow package, 3,500 lbs hybrid. Hybrid drops the V6 for a 2.5L four (243 hp net) and adds a FWD option
- 2021XSE trim added
- 2022Bronze Edition (hybrid) added; final V6 year alongside 2020–2022 transmission complaint cluster
- 20232.4L turbo (T24A-FTS, 265 hp) replaces the V6; larger 12.3-in touchscreen/cluster available; towing stays 5,000 lbs with tow package
- 2024–2025Carryover years; the larger Grand Highlander is a separate model. 2023–2024 cars are in the 25V-595 cluster-software recall population
2020–2025 Toyota Highlander problems and recalls: common questions
What are the most common problems with the 2020–2025 Toyota Highlander?
- The recurring ones are: 8-speed transmission whine, shudder, and failures (2020–2022 v6); stop-start ecu programming error (recall); hybrid fuel tank won't fill to capacity; occupant classification system sensor short (recall); steering spiral cable. driver airbag may deactivate (recall). Each is detailed above with symptoms, affected years, and typical cost.
Which 2020–2025 Toyota Highlander years should you avoid?
- The years to be most careful with are those affected by 8-speed transmission whine, shudder, and failures (2020–2022 v6) (2020–2022 (V6)) and occupant classification system sensor short (recall) (2020–2023) and steering spiral cable. driver airbag may deactivate (recall) (2023). A documented problem is not automatically a reason to walk away. Service records showing the repair was done change the picture entirely.
Are there recalls on the 2020–2025 Toyota Highlander?
- 6 of the issues listed carry a recall or technical service bulletin: NHTSA 20V-162 (stop-start ecu programming error (recall)), Toyota fuel-fill TSBs; 2022 class action (no NHTSA recall) (hybrid fuel tank won't fill to capacity), NHTSA 23V-865 (occupant classification system sensor short (recall)), NHTSA 23V-480; follow-up 25V-040 (steering spiral cable. driver airbag may deactivate (recall)), NHTSA 25V-595 (instrument cluster can fail to display speed and warnings (recall)), NHTSA 23V-720 (front lower bumper cover detaches after minor impacts (recall)). Recall work is free at a franchised dealer regardless of age or mileage. Check your VIN on the NHTSA site to see what is outstanding.
How much do 2020–2025 Toyota Highlander repairs typically cost?
- Typical figures for the issues above: 8-speed transmission whine, shudder, and failures (2020–2022 v6), Free under powertrain warranty; $4,000–$8,000+ for a transmission out of warranty; stop-start ecu programming error (recall), Free under recall (software update); hybrid fuel tank won't fill to capacity, Free under warranty/TSB (fuel tank assembly replacement) where Toyota accepts the claim; occupant classification system sensor short (recall), Free under recall.
Sources
- Toyota technical data, Highlander XU70 fluids & capacities (toyota-club.net)
- Toyota Owners, 2021 Highlander Hybrid owner's manual, 12-volt battery location
- Toyota TrueStart battery application chart, H6 EFB (gas) / H5 LN2 (hybrid)
- Lakeland Toyota parts, 17801-F0050 engine air filter, 2021/2023 Highlander fitment
- Woburn Toyota parts, 04152-YZZA1 oil filter element fitment for the 2.4L turbo
- Lakeland Toyota parts, 90919-A1008 spark plug (2.4L turbo)
- AMSOIL lookup, 2023 Highlander 2.4L T24A-FTS: 0W-20, 5.6 qt
- NHTSA recall 23V-865, occupant classification sensor
- NHTSA recall 25V-595, instrument cluster display
- ClassAction.org, 2020–2021 Highlander Hybrid fuel tank fill issue
- The Weekly Driver, 2020–2025 Highlander NHTSA complaint analysis (transmission cluster)
- Wheel-Size.com, 2023 Toyota Highlander OE fitments
- fueleconomy.gov, 2021 / 2023 Highlander EPA ratings