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 referenceBy symptom
No reviewed cases for this model yet.
Most common failures on this model (by part)
Share of the 186 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
- ハイブリッドトランスアクスル19 cases 10%Main symptom: Cannot drive / immobiletypically around 130,000 km
- CVT10 cases 5%Main symptom: Speed-related humming / droningtypically around 70,000 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）7 cases 4%Main symptom: Cannot drive / immobiletypically around 80,000 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 panel4 cases 2%Main symptom: Broken or detached partstypically around 30,000 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.
| Part | Japanese cases | Overseas 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 79,000 km (26,000 to 150,000 km, 6 cases) | Too few cases with mileage |
| ハイブリッドトランスアクスル | Median 126,000 km (75,000 to 182,000 km, 18 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.
What fails inspection at this mileage (UK data)
Failure rates by mileage from the UK MOT open data.
20系 2AZ-FE / 2AZ-FXE
| 0〜5万km127 tested | Ball joint 3.1%Stabiliser link 3.1%フロントガラス 1.6% |
|---|---|
| 20〜25万km276 tested | Stabiliser link 13.4%Ball joint 10.1%Lower arm / bush 6.5% |
10系 2AZ-FE / 2AZ-FXE
| 5〜10万km1,502 tested | Stabiliser link 6.0%Lower arm / bush 4.8%Ball joint 3.3% |
|---|---|
| 10〜15万km2,300 tested | Stabiliser link 12.0%Ball joint 5.3%Lower arm / bush 4.4% |
| 15〜20万km725 tested | Stabiliser link 13.0%Ball joint 8.3%Lower arm / bush 4.1% |
10系 1MZ-FE 3.0L V6
| 5〜10万km610 tested | Stabiliser link 5.1%Lower arm / bush 3.0%Ball joint 2.8% |
|---|---|
| 10〜15万km707 tested | Stabiliser link 12.2%Ball joint 6.5%Lower arm / bush 5.0% |
| 15〜20万km232 tested | Stabiliser link 9.1%CV boot 6.0%Ball joint 5.2% |
20系 2GR-FE 3.5L V6
| 10〜15万km116 tested | Stabiliser link 18.1%Ball joint 4.3%Tie rod end 1.7% |
|---|
Corrosion and consumables excluded. Source: DVSA (Open Government Licence v3.0)
Alphard 10系
2003〜2008 2AZ-FXE・2AZ-FE・1MZ-FE
Illustration for referenceWhat fails inspection at this mileage (UK data)
Failure rates by mileage from the UK MOT open data.
10系 2AZ-FE / 2AZ-FXE
| 5〜10万km1,502 tested | Stabiliser link 6.0%Lower arm / bush 4.8%Ball joint 3.3% |
|---|---|
| 10〜15万km2,300 tested | Stabiliser link 12.0%Ball joint 5.3%Lower arm / bush 4.4% |
| 15〜20万km725 tested | Stabiliser link 13.0%Ball joint 8.3%Lower arm / bush 4.1% |
10系 1MZ-FE 3.0L V6
| 5〜10万km610 tested | Stabiliser link 5.1%Lower arm / bush 3.0%Ball joint 2.8% |
|---|---|
| 10〜15万km707 tested | Stabiliser link 12.2%Ball joint 6.5%Lower arm / bush 5.0% |
| 15〜20万km232 tested | Stabiliser link 9.1%CV boot 6.0%Ball joint 5.2% |
Corrosion and consumables excluded. Source: DVSA (Open Government Licence v3.0)
By symptom
- Stalling / stops while driving29 cases · not reviewed yet
- Hybrid system warning25 cases · not reviewed yet
- Cannot drive / immobile23 cases · not reviewed yet
- Sliding door won't open or close22 cases · not reviewed yet
- Check engine light on13 cases · not reviewed yet
- No acceleration / lack of power9 cases · not reviewed yet
- Coolant leak / coolant loss9 cases · not reviewed yet
- Engine won't start (starter doesn't turn)7 cases · not reviewed yet
Common failures on the 2AZ-FXE 2.4L ハイブリッド（10系 THS-C）
- Inverter (hybrid)30 cases 40%Main symptom: Stalling / stops while drivingtypically around 120,000 km
- ハイブリッドトランスアクスル18 cases 24%Main symptom: Cannot drive / immobiletypically around 130,000 km
- ハイブリッド用ウォーターポンプ（インバーター冷却）7 cases 9%Main symptom: Cannot drive / immobiletypically around 80,000 km
- ハイブリッドコンピューター（HV ECU）4 cases 5%Main symptom: Cannot drive / immobiletypically around 140,000 km
- Radiator4 cases 5%Main symptom: Coolant leak / coolant losstypically around 90,000 km
- Piston rings2 cases 3%Main symptom: Oil consumption
- スライドドアモーター・ケーブル2 cases 3%Main symptom: Sliding door won't open or close
- ABS wheel speed sensor1 cases 1%Main symptom: Pulls to one side
Common failures on the 2AZ-FE 2.4L（10系、4AT）
- スライドドアモーター・ケーブル13 cases 28%Main symptom: Sliding door won't open or closetypically around 60,000 km
- O2 / A/F sensor7 cases 15%Main symptom: Check engine light ontypically around 60,000 km
- Drive shaft5 cases 11%Main symptom: Creaking when turning the wheeltypically around 60,000 km
- Fuel pump2 cases 4%Main symptom: Stalling / stops while driving
- Head gasket2 cases 4%Main symptom: Coolant leak / coolant loss
- Wheel hub bearing2 cases 4%Main symptom: Clicking when turning
- Radiator2 cases 4%Main symptom: Coolant leak / coolant loss
- Throttle body2 cases 4%Main symptom: No acceleration / lack of power
Common failures on the 1MZ-FE 3.0L V6（10系、5AT）
- スライドドアモーター・ケーブル7 cases 44%Main symptom: Sliding door won't open or closetypically around 50,000 km
- O2 / A/F sensor2 cases 13%Main symptom: Check engine light on
- Wiring / connector2 cases 13%Main symptom: Sliding door won't open or close
- Bracket / stay1 cases 6%Main symptom: Heavy steering
- Drive shaft1 cases 6%Main symptom: Noise from underneath
- Exhaust gasket / heat shield1 cases 6%Main symptom: Rattling from underneath
- Wheel hub bearing1 cases 6%Main symptom: Speed-related humming / droning
- Ignition coils1 cases 6%Main symptom: Rough idle / vibration
Hybrid75 cases
2AZ-FXE 2.4L ハイブリッド（10系 THS-C）
- Model codes
ATH10- Years
- 2003〜2008
By symptom
- Hybrid system warning25 cases · not reviewed yet
- Stalling / stops while driving24 cases · not reviewed yet
- Cannot drive / immobile23 cases · not reviewed yet
- No acceleration / lack of power8 cases · not reviewed yet
- Engine won't start (starter doesn't turn)6 cases · not reviewed yet
- All warning lights come on5 cases · not reviewed yet
- Harsh shifting4 cases · not reviewed yet
- Coolant leak / coolant loss3 cases · not reviewed yet
Common failures (by part)
- Inverter (hybrid)30 cases 40%Main symptom: Stalling / stops while drivingtypically around 120,000 km
- ハイブリッドトランスアクスル18 cases 24%Main symptom: Cannot drive / immobiletypically around 130,000 km
- ハイブリッド用ウォーターポンプ（インバーター冷却）7 cases 9%Main symptom: Cannot drive / immobiletypically around 80,000 km
- ハイブリッドコンピューター（HV ECU）4 cases 5%Main symptom: Cannot drive / immobiletypically around 140,000 km
- Radiator4 cases 5%Main symptom: Coolant leak / coolant losstypically around 90,000 km
- Piston rings2 cases 3%Main symptom: Oil consumption
- スライドドアモーター・ケーブル2 cases 3%Main symptom: Sliding door won't open or close
- ABS wheel speed sensor1 cases 1%Main symptom: Pulls to one side
Petrol47 cases
2AZ-FE 2.4L（10系、4AT）
- Model codes
ANH10ANH15- Years
- 2002〜2008
By symptom
- Sliding door won't open or close12 cases · not reviewed yet
- Check engine light on8 cases · not reviewed yet
- Coolant leak / coolant loss6 cases · not reviewed yet
- Stalling / stops while driving4 cases · not reviewed yet
- Clicking when turning3 cases · not reviewed yet
- Creaking when turning the wheel3 cases · not reviewed yet
- Heater not warm2 cases · not reviewed yet
- Rattling / clattering from the engine2 cases · not reviewed yet
Common failures (by part)
- スライドドアモーター・ケーブル13 cases 28%Main symptom: Sliding door won't open or closetypically around 60,000 km
- O2 / A/F sensor7 cases 15%Main symptom: Check engine light ontypically around 60,000 km
- Drive shaft5 cases 11%Main symptom: Creaking when turning the wheeltypically around 60,000 km
- Fuel pump2 cases 4%Main symptom: Stalling / stops while driving
- Head gasket2 cases 4%Main symptom: Coolant leak / coolant loss
- Wheel hub bearing2 cases 4%Main symptom: Clicking when turning
- Radiator2 cases 4%Main symptom: Coolant leak / coolant loss
- Throttle body2 cases 4%Main symptom: No acceleration / lack of power
Petrol16 cases
1MZ-FE 3.0L V6（10系、5AT）
- Model codes
MNH10MNH15- Years
- 2002〜2008
By symptom
- Sliding door won't open or close8 cases · not reviewed yet
- Check engine light on2 cases · not reviewed yet
Common failures (by part)
- スライドドアモーター・ケーブル7 cases 44%Main symptom: Sliding door won't open or closetypically around 50,000 km
- O2 / A/F sensor2 cases 13%Main symptom: Check engine light on
- Wiring / connector2 cases 13%Main symptom: Sliding door won't open or close
- Bracket / stay1 cases 6%Main symptom: Heavy steering
- Drive shaft1 cases 6%Main symptom: Noise from underneath
- Exhaust gasket / heat shield1 cases 6%Main symptom: Rattling from underneath
- Wheel hub bearing1 cases 6%Main symptom: Speed-related humming / droning
- Ignition coils1 cases 6%Main symptom: Rough idle / vibration
Alphard 20系
2008〜2015 2AZ-FE・2AZ-FXE・2GR-FE
Illustration for referenceWhat fails inspection at this mileage (UK data)
Failure rates by mileage from the UK MOT open data.
20系 2AZ-FE / 2AZ-FXE
| 0〜5万km127 tested | Ball joint 3.1%Stabiliser link 3.1%フロントガラス 1.6% |
|---|---|
| 20〜25万km276 tested | Stabiliser link 13.4%Ball joint 10.1%Lower arm / bush 6.5% |
20系 2GR-FE 3.5L V6
| 10〜15万km116 tested | Stabiliser link 18.1%Ball joint 4.3%Tie rod end 1.7% |
|---|
Corrosion and consumables excluded. Source: DVSA (Open Government Licence v3.0)
By symptom
- Cannot drive / immobile4 cases · not reviewed yet
- Vibration while driving4 cases · not reviewed yet
- No acceleration / lack of power4 cases · not reviewed yet
- Paint peeling / flaking3 cases · not reviewed yet
- Engine noise when cold3 cases · not reviewed yet
- Stalling / stops while driving2 cases · not reviewed yet
- Whining from the engine2 cases · not reviewed yet
- Harsh shifting2 cases · not reviewed yet
Common failures on the 2AZ-FE 2.4L（20系、CVT）
- CVT6 cases 32%Main symptom: Whining from the enginetypically around 70,000 km
- Alternator2 cases 11%Main symptom: Stalling / stops while driving
- Body panel2 cases 11%Main symptom: Noise from underneath
- コンロッド（エンジン内部破損）2 cases 11%Main symptom: Engine noise when cold
- Paint2 cases 11%Main symptom: Paint peeling / flaking
- Differential1 cases 5%Main symptom: Cannot drive / immobile
- ECU1 cases 5%Main symptom: ハンドルが激しく振動する・勝手に動く
- Wheel hub bearing1 cases 5%Main symptom: エンジンからの異音
Common failures on the 2AZ-FXE 2.4L ハイブリッド（20系）
- Inverter (hybrid)2 cases 40%Main symptom: No acceleration / lack of power
- メーターパネル・基板1 cases 20%Main symptom: Navigation / meter reboots
- ハイブリッドトランスアクスル1 cases 20%Main symptom: Speed-related humming / droning
Common failures on the 2GR-FE 3.5L V6（20系、6AT）
- Weather strip / seal2 cases 40%Main symptom: Paint peeling / flaking
- ECU1 cases 20%Main symptom: ハンドルが激しく振動する・勝手に動く
- 燃料タンク・サクションチューブ1 cases 20%Main symptom: No acceleration / lack of power
- ステアリングインターミディエイトシャフト1 cases 20%Main symptom: ハンドルからカタカタ・ガタつき
- フロントガラス1 cases 20%Main symptom: Paint peeling / flaking
Petrol19 cases
2AZ-FE 2.4L（20系、CVT）
- Model codes
ANH20ANH25- Years
- 2008〜2015
By symptom
- Cannot drive / immobile3 cases · not reviewed yet
- Vibration while driving3 cases · not reviewed yet
- Paint peeling / flaking2 cases · not reviewed yet
- Stalling / stops while driving2 cases · not reviewed yet
- Engine noise when cold2 cases · not reviewed yet
- Whining from the engine2 cases · not reviewed yet
- Harsh shifting2 cases · not reviewed yet
Common failures (by part)
- CVT6 cases 32%Main symptom: Whining from the enginetypically around 70,000 km
- Alternator2 cases 11%Main symptom: Stalling / stops while driving
- Body panel2 cases 11%Main symptom: Noise from underneath
- コンロッド（エンジン内部破損）2 cases 11%Main symptom: Engine noise when cold
- Paint2 cases 11%Main symptom: Paint peeling / flaking
- Differential1 cases 5%Main symptom: Cannot drive / immobile
- ECU1 cases 5%Main symptom: ハンドルが激しく振動する・勝手に動く
- Wheel hub bearing1 cases 5%Main symptom: エンジンからの異音
Hybrid5 cases
2AZ-FXE 2.4L ハイブリッド（20系）
- Model codes
ATH20- Years
- 2011〜2015
By symptom
- No acceleration / lack of power3 cases · not reviewed yet
- Hybrid system warning2 cases · not reviewed yet
Common failures (by part)
- Inverter (hybrid)2 cases 40%Main symptom: No acceleration / lack of power
- メーターパネル・基板1 cases 20%Main symptom: Navigation / meter reboots
- ハイブリッドトランスアクスル1 cases 20%Main symptom: Speed-related humming / droning
Petrol5 cases
2GR-FE 3.5L V6（20系、6AT）
- Model codes
GGH20GGH25- Years
- 2008〜2015
By symptom
No reviewed cases for this engine yet. See the All engines tab.
Common failures (by part)
- Weather strip / seal2 cases 40%Main symptom: Paint peeling / flaking
- ECU1 cases 20%Main symptom: ハンドルが激しく振動する・勝手に動く
- 燃料タンク・サクションチューブ1 cases 20%Main symptom: No acceleration / lack of power
- ステアリングインターミディエイトシャフト1 cases 20%Main symptom: ハンドルからカタカタ・ガタつき
- フロントガラス1 cases 20%Main symptom: Paint peeling / flaking
Alphard 30系
2015〜2023 2AR-FE・2AR-FXE
Illustration for referenceBy symptom
- Speed-related humming / droning4 cases · not reviewed yet
- Check engine light on2 cases · not reviewed yet
Common failures on the 2AR-FE 2.5L（30系、CVT）
- CVT4 cases 29%Main symptom: Speed-related humming / droningtypically around 70,000 km
- Battery1 cases 7%Main symptom: Stalling / stops while driving
- Body panel1 cases 7%Main symptom: Broken or detached parts
- Brake pads1 cases 7%Main symptom: Brake squeal
- Crank / cam seal1 cases 7%Main symptom: Oil leak / seepage
- Differential1 cases 7%Main symptom: Speed-related humming / droning
- Headlight bulb1 cases 7%Main symptom: Lights not working
- スライドドアモーター・ケーブル1 cases 7%Main symptom: 走行中にドアが開く・ロック不良
Common failures on the 2AR-FXE 2.5L ハイブリッド（30系）
- Seat belt1 cases 100%Main symptom: Seat belt fault
Petrol14 cases
2AR-FE 2.5L（30系、CVT）
- Model codes
AGH30AGH35- Years
- 2015〜2023
By symptom
- Speed-related humming / droning4 cases · not reviewed yet
- Check engine light on2 cases · not reviewed yet
Common failures (by part)
- CVT4 cases 29%Main symptom: Speed-related humming / droningtypically around 70,000 km
- Battery1 cases 7%Main symptom: Stalling / stops while driving
- Body panel1 cases 7%Main symptom: Broken or detached parts
- Brake pads1 cases 7%Main symptom: Brake squeal
- Crank / cam seal1 cases 7%Main symptom: Oil leak / seepage
- Differential1 cases 7%Main symptom: Speed-related humming / droning
- Headlight bulb1 cases 7%Main symptom: Lights not working
- スライドドアモーター・ケーブル1 cases 7%Main symptom: 走行中にドアが開く・ロック不良
Hybrid1 cases
2AR-FXE 2.5L ハイブリッド（30系）
- Model codes
AYH30- Years
- 2015〜2023
By symptom
No reviewed cases for this engine yet. See the All engines tab.
Common failures (by part)
- Seat belt1 cases 100%Main symptom: Seat belt fault