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This information is based on Japanese-market vehicles (JDM specification). Parts and symptoms may differ in your market.

Toyota

Alphard: common problems

Pick a symptom to see what to suspect first, how to tell, and typical repair cost.

Pick a model code / engine to switch the weak points, cases and common failures below.

Illustration for reference

By symptom

No reviewed cases for this model yet.

Most common failures on this model (by part)

Share of the 185 repair cases we collected in which each part was the cause or was replaced. This is not a failure rate per vehicle on the road.

  • Inverter (hybrid)32 cases 17%
    Main symptom: Stalling / stops while drivingtypically around 120,000 km
  • スライドドアモーター・ケーブル23 cases 12%
    Main symptom: Sliding door won't open or closetypically around 60,000 km
  • CVT22 cases 12%
    Main symptom: Cannot drive / immobiletypically around 80,000 km
  • O2 / A/F sensor10 cases 5%
    Main symptom: Check engine light ontypically around 50,000 km
  • ハイブリッド用ウォーターポンプ（インバーター冷却）8 cases 4%
    Main symptom: Hybrid system warningtypically around 90,000 km
  • ハイブリッドトランスアクスル7 cases 4%
    Main symptom: Stalling / stops while drivingtypically around 140,000 km
  • Drive shaft6 cases 3%
    Main symptom: Creaking when turning the wheeltypically around 60,000 km
  • Radiator6 cases 3%
    Main symptom: Coolant leak / coolant losstypically around 90,000 km
  • Body panel5 cases 3%
    Main symptom: Broken or detached partstypically around 90,000 km
  • Wheel hub bearing4 cases 2%
    Main symptom: Clicking when turningtypically around 70,000 km

Hybrid system life expectancy (from case mileage)

Mileage at the time the HV battery, inverter and similar parts were the cause or were replaced. This is not an average lifespan but the median and range (10th to 90th percentile) of the mileage at replacement.

PartJapanese casesOverseas cases
Inverter (hybrid)Median 120,000 km (86,000 to 180,000 km, 32 cases)Too few cases with mileage
ハイブリッド用ウォーターポンプ（インバーター冷却）Median 89,000 km (27,000 to 150,000 km, 7 cases)Too few cases with mileage
ハイブリッドトランスアクスルMedian 140,000 km (96,000 to 191,000 km, 7 cases)Too few cases with mileage

Cases without mileage are excluded. Results vary widely with usage (repeated short trips vs. long highway runs) and climate.

Japanese inspection (shaken) cost for this modelOn our sister site shakendai.com (Japanese)