Toyota Bz4X (2023–2024) Fault Codes & Service Schedule | TroubleAtlas

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Toyota Bz4X (2023–2024)
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TOYOTA BZ4X (2023–2024) Manual — Codes, Tyres & Parts

Built 2023–2024 · all production years covered on this single page

XLE Dual Motor AWD • Electric

Toyota Bz4X (2023–2024)

© Wikimedia Commons CC BY-SA

5 Common problems View details →
29 OBD2 codes View details →
12 Recalls / TSB View details →
TroubleAtlas Score
An independent value score for the Toyota Bz4X (2023–2024) — reliability, safety, cost, parts, upkeep and documentation. Owing nothing to the manufacturer.
Scorecard · each voice 0–10
Reliability
n/a
Safety & recalls
n/a
Repair cost
4.9
Parts & repairability
3.2
Maintenance & durability
5.5
Documentation & support
4.0
★ How we calculate this → Methodology
TROUBLEATLAS · SCOREINDEPENDENT · VERIFIED★★TA4.4/10
Independent · Verified · Never for sale

Every figure on this Toyota Bz4X (2023–2024) page is aggregated and cross-checked against more than 6.6 million real workshop operations, NHTSA records and OEM technical sources — and updated continuously. No invented estimates.

Its battery is group 51R (BCI), rated at 410A cold-cranking amps. It is a fully electric vehicle (XLE Dual Motor AWD). Its OEM tyre size is 215/55 R16. Use the sections below for verified fluids, battery, OEM tyres, the maintenance schedule, recommended parts and the most commonly reported OBD2 fault codes for this vehicle.

⚠️ COMMON PROBLEMS
Engine overheatingFREQUENT

Engine temperature over limits — check coolant level, thermostat and radiator.

Related codes: P0217

Oil pressure sensor: low signalFREQUENT

ECU detects insufficient oil pressure — check oil level and sensor.

Related codes: P0522

Insufficient oil pressureFREQUENT

Oil pressure below critical threshold — stop the engine and check immediately.

Related codes: P0524

Engine control module (PCM) faultFREQUENT

Faulty ECU processor — requires specialist workshop diagnosis.

Related codes: P0606

Throttle actuatorFREQUENT

Throttle actuator motor circuit open — loss of throttle response.

Related codes: P2100

🔧 COMMON REPAIRS
🔧
Front brake pads
Difficulty: Easy
0.8h
€56 – €72
🔧
Rear brake pads
Difficulty: Easy
0.9h
€63 – €81
🔧
ABS Module
Difficulty: Medium
2.0h
€140 – €180
🔧
ABS Pump
Difficulty: Hard
2.5h
€175 – €225
💰 AVERAGE INDICATIVE COSTS

Prices may vary by area and workshop.

🔧
Full service
€ 120 – € 200
🛑
Full brake service
€ 180 – € 300
⚡
Spark plug replacement
€ 80 – € 140
📊
Electronic diagnosis
€ 40 – € 70
⏱️ OFFICIAL LABOUR TIMES (OLP)

Standard labour hours from a database of 6.6M+ real shop operations, with an indicative labour-cost estimate for your country.

Brakes8 operations
OperationLabour hours (OLP)Est. labour cost
ABS Module2.0h€ 90–€ 150
ABS Pump2.5h€ 112–€ 187
ABS Tone Ring1.5h€ 67–€ 112
ABS Wheel Speed Sensor - Front0.8h€ 36–€ 60
ABS Wheel Speed Sensor - Rear0.8h€ 36–€ 60
Brake Bleed - All Four1.0h€ 45–€ 75
Brake Booster2.5h€ 112–€ 187
Brake Booster Check Valve0.3h€ 13–€ 22
Cooling8 operations
OperationLabour hours (OLP)Est. labour cost
Cooling Fan Assembly1.0h€ 45–€ 75
Cooling Fan Clutch3.0h€ 135–€ 225
Cooling Fan Motor1.5h€ 67–€ 112
Cooling Fan Relay0.3h€ 13–€ 22
Engine Oil Cooler3.0h€ 135–€ 225
Heater Control Valve3.0h€ 135–€ 225
Heater Core3.0h€ 135–€ 225
Heater Hoses3.0h€ 135–€ 225
Electrical8 operations
OperationLabour hours (OLP)Est. labour cost
Airbag - Driver1.0h€ 45–€ 75
Airbag - Passenger1.5h€ 67–€ 112
Airbag - Side2.0h€ 90–€ 150
Airbag Module/Computer1.0h€ 45–€ 75
Amplifier1.5h€ 67–€ 112
Antenna0.5h€ 22–€ 37
Backup Camera1.0h€ 45–€ 75
Battery0.3h€ 13–€ 22
Engine8 operations
OperationLabour hours (OLP)Est. labour cost
Camshaft Position Sensor8.0h€ 360–€ 600
Connecting Rod Bearings8.0h€ 360–€ 600
Crankshaft Position Sensor8.0h€ 360–€ 600
Engine R&R12.0h€ 540–€ 900
Freeze Plug - Single8.0h€ 360–€ 600
Freeze Plugs - All10.4h€ 468–€ 780
Front Main Seal8.0h€ 360–€ 600
Harmonic Balancer8.0h€ 360–€ 600
Fuel system3 operations
OperationLabour hours (OLP)Est. labour cost
Charcoal Canister2.5h€ 112–€ 187
EVAP Purge Valve2.5h€ 112–€ 187
EVAP Vent Valve2.5h€ 112–€ 187
HVAC8 operations
OperationLabour hours (OLP)Est. labour cost
AC Accumulator1.5h€ 67–€ 112
AC Clutch Coil1.5h€ 67–€ 112
AC Compressor2.5h€ 112–€ 187
AC Compressor Clutch2.0h€ 90–€ 150
AC Compressor Oil Add0.5h€ 22–€ 37
AC Condenser2.5h€ 112–€ 187
AC Evaporator6.0h€ 270–€ 450
AC Expansion Valve (TXV)4.0h€ 180–€ 300
Steering8 operations
OperationLabour hours (OLP)Est. labour cost
Center Link/Drag Link1.5h€ 67–€ 112
Electric Power Steering Module1.5h€ 67–€ 112
Electric Power Steering Motor2.5h€ 112–€ 187
Idler Arm1.0h€ 45–€ 75
Pitman Arm1.2h€ 54–€ 90
Power Steering Fluid Flush0.5h€ 22–€ 37
Power Steering Gear Box3.5h€ 157–€ 262
Power Steering Hose - High Pressure1.0h€ 45–€ 75
Suspension8 operations
OperationLabour hours (OLP)Est. labour cost
Air Line1.0h€ 45–€ 75
Air Spring/Air Bag1.5h€ 67–€ 112
Air Suspension Compressor1.5h€ 67–€ 112
Air Suspension Height Sensor1.0h€ 45–€ 75
Air Suspension Valve Block2.0h€ 90–€ 150
Ball Joint - Lower1.8h€ 81–€ 135
Ball Joint - Upper1.5h€ 67–€ 112
Ball Joints - Upper and Lower3.0h€ 135–€ 225
Transmission8 operations
OperationLabour hours (OLP)Est. labour cost
Clutch Hydraulic Line6.0h€ 270–€ 450
Dual Mass Flywheel6.0h€ 270–€ 450
Kickdown Cable6.0h€ 270–€ 450
Manual Trans Fluid Change6.0h€ 270–€ 450
Neutral Safety Switch6.0h€ 270–€ 450
Overdrive Solenoid6.0h€ 270–€ 450
Pressure Plate6.0h€ 270–€ 450
Shift Cable1.5h€ 67–€ 112
💵 WORKSHOP LABOUR RATES BY COUNTRY

Average independent-workshop hourly labour rates, to estimate repair costs in your country.

🇩🇪Germany€95/h
🇪🇸Spain€55/h
🇫🇷France€75/h
🇮🇹Italy€45/h
🇬🇧UK£80/h
🇺🇸USA$120/h
Reference rate
€45/h
Source: Eurostat 2024
💧 FLUIDS & LUBRICANTS
Coolant
Coolant
Toyota Super Long Life Coolant (Pink)
Use pre-mixed or mix 50/50 with distilled water
9.5 L
Brake fluid
Brake fluid
DOT 3 Brake Fluid
Replace when moisture content exceeds 3% or every 2-3 years
Transmission fluid
Toyota WS ATF
9.5 L
Power steering fluid
Electric Power Steering (No Fluid)
Electric power steering - no fluid required
Transfer case fluid
Toyota Transfer Case Gear Oil LF 75W
2.4 L
Differential Front
75W-90 GL-5 Gear Oil
1.4 L
Differential Rear
Toyota Differential Gear Oil LT 75W-85
1.9 L
Washer fluid
Windshield Washer Fluid
Refill as needed. Use winter-rated in cold climates.
3.3 L
🔧 SCHEDULED MAINTENANCE
Brake Fluid Replacement24 months
Washer Fluid Refill—
Tire Rotation8,000 km / 6 months
Multi-Information Display Service Reminder Reset8,000 km / 6 months
Battery Cooling System Inspection8,000 km / 6 months
High Voltage System Inspection8,000 km / 6 months
Brake System Inspection8,000 km / 6 months
Steering And Suspension Inspection8,000 km / 6 months
📋 RECALLS & TSB (12)
NHTSA 25V744000
Back Over Prevention › Display Function
Date: 30/10/2025
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022-2026 Toyota, Lexus, and Subaru Solterra vehicles equipped with a Panoramic View Monitor (PVM) system. Please see the recall report for a complete list of models. A software error may cause the rearview ca…
NHTSA 25V744000
Back Over Prevention › Display Function
Date: 30/10/2025
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022-2026 Toyota, Lexus, and Subaru Solterra vehicles equipped with a Panoramic View Monitor (PVM) system. Please see the recall report for a complete list of models. A software error may cause the rearview ca…
NHTSA 24V548000
Equipment › Other › Labels
Date: 23/07/2024
Gulf States Toyota, Inc. (GST) is recalling certain Toyota 2023 GR Supra, 2024 4 Runner, Corolla, Grand Highlander, Grand Highlander Hybrid, Land Cruiser Hybrid, Tacoma, Tacoma Hybrid, 2023-2024 BZ4X, Corolla Cross Hybrid, GR Corolla, GR86, Highlander, Highlander Hybrid, Prius, P…
NHTSA 24V548000
Equipment › Other › Labels
Date: 23/07/2024
Gulf States Toyota, Inc. (GST) is recalling certain Toyota 2023 GR Supra, 2024 4 Runner, Corolla, Grand Highlander, Grand Highlander Hybrid, Land Cruiser Hybrid, Tacoma, Tacoma Hybrid, 2023-2024 BZ4X, Corolla Cross Hybrid, GR Corolla, GR86, Highlander, Highlander Hybrid, Prius, P…
NHTSA 22V444000
Wheels › Hub
Date: 23/06/2022
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023 Subaru Solterra and Toyota BZ4X vehicles. The hub bolts on the wheels may loosen, causing a wheel to detach from the vehicle after low-mileage use.
NHTSA R/2023/333
Date: 18-12-2023
On affected vehicles due to a programming error there is a possibility that a multi-information display used for warning and indicator lights vehicle gauges messages etc will become blank and will not display certain warnings and indicators. As a result other functions such as tu…
NHTSA R/2023/279
Date: 12-10-2023
On affected vehicles there is a possibility that the DCM may not complete the shutdown process within a specific period of time when the ignition is turned off causing the DCM to not restart at the next ignition cycle and making the e-Call function unavailable. As a result the ve…
NHTSA R/2024/251
Date: 12-08-2024
Due to insufficient laser welding of the camera case at the supplier during a specific production period there is a possibility that the camera case may separate when exposed to external stress over time allowing water to leak into the camera. If this occurs the circuit inside t…
NHTSA R/2024/249
Date: 05-08-2024
Due to the programming of the forward recognition camera software there is a possibility that the memory inside the forward recognition camera could fail during processing when the ignition is turned OFF. If this occurs the PCS will not activate on the next ignition start causing…
NHTSA 25V577000
Visibility › Defroster/Defogger/Hvac System
Date: 04/09/2025
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023-2025 bZ4X, Lexus RZ, and Subaru Solterra vehicles. During certain HVAC system faults, such as electrical compressor failure, the defroster and defogger system may become inoperative.
NHTSA 25V577000
Visibility › Defroster/Defogger/Hvac System
Date: 04/09/2025
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023-2025 bZ4X, Lexus RZ, and Subaru Solterra vehicles. During certain HVAC system faults, such as electrical compressor failure, the defroster and defogger system may become inoperative.
NHTSA R/2025/372
Date: 03-11-2025
For affected vehicles due to the programming of the HVAC control ECU software under certain conditions such as a specific failure mode of the electrical compressor the HVAC system will enter a failsafe mode that suspends the heater operation of the system and affects defroster fu…
🔴 DASHBOARD WARNING LIGHTS — UNIVERSAL GUIDE

60 warning lights classified by urgency. Appears on your vehicle? Check the urgency level.

Show all dashboard warning lights
🔴 IMMEDIATE STOP — pull over
Oil Pressure WarningEngine
Engine Temperature WarningCooling
!BRAKE
Brake System WarningBrakes
K
Immobilizer / Key FaultSecurity
🟠 WARNING — check soon
Malfunction Indicator Light (MIL) / Check EngineEngine
Diesel Particulate Filter (DPF)Emissions
+−
Battery / Charging SystemElectrical
Low Fuel WarningFuel
!BRAKE
ABS WarningBrakes
!BRAKE
Brake Pad Wear IndicatorBrakes
!BRAKE
Electronic Parking Brake (EPB)Brakes
!
Power Steering WarningSteering
ESC / Stability Control FaultChassis
Tire Pressure Warning (TPMS)Chassis
Transmission Temperature WarningTransmission
Transmission / Gearbox FaultTransmission
Airbag / SRS WarningActive safety
EGR / Exhaust Gas Recirculation FaultEmissions
Catalytic Converter / Emissions FaultEmissions
AdBlue / DEF Level LowEmissions
Coolant Level LowCooling
Hybrid / EV System WarningHybrid
EV Charge System FaultHybrid
12V Battery (Hybrid/EV Auxiliary)Hybrid
S
Suspension Fault / Air SuspensionSuspension
N
CAN Bus / Network Communication FaultNetwork
Water in Fuel FilterFuel
Diesel Injector FaultFuel
!
Steering Angle Sensor FaultSteering
Turbo / Boost Pressure FaultEngine
Regenerative Braking Fault (Hybrid/EV)Hybrid
Master Warning (Toyota)Electrical
🟡 MONITOR
Fuel Cap / Evap SystemEmissions
?
4WD / AWD SystemDrivetrain
L
Bulb Failure WarningLighting
L
Headlight Range / Leveling FaultLighting
Service / Maintenance DueMaintenance
AC
A/C System FaultHvac
Clutch Wear WarningTransmission
A
Cruise Control / ACC FaultADAS
Pre-Collision System Off (Toyota)ADAS
Lane Departure Alert Off (Toyota)ADAS
Slip Indicator (Toyota)Chassis
🔵 INFORMATION
Engine Temperature Low (Blue)Cooling
Glow Plug / Diesel PreheatEngine
Traction Control / ESC OffChassis
Seatbelt ReminderActive safety
L
Rear Fog Light IndicatorLighting
A
Lane Departure / LDWS WarningADAS
A
Forward Collision Warning (FCW/AEB)ADAS
A
Blind Spot Monitor FaultADAS
A
Rear Parking Sensor / Camera FaultADAS
Windshield Washer Fluid LowMaintenance
!
Door Open WarningBody
!
Hood / Trunk Open WarningBody
Gear Shift Indicator (Manual)Transmission
Sport / Performance Mode ActiveTransmission
READY Light (Toyota)Electrical
EV Mode Indicator (Toyota)Electrical
B-Ready (EV Brake) (Toyota)Brakes
📢 REPORTED COMPLAINTS & PROBLEMS (NHTSA)

26 owner complaints filed with the U.S. National Highway Traffic Safety Administration (NHTSA) for the Toyota Bz4X across model years 2023–2024. These are real, verified reports submitted by vehicle owners.

2 crash reports 2 injuries
Complaints by model year (most reported first)
Model year 202421
Model year 20235
Most reported components (all years)
Electrical System7
Structure5
Visibility4
Unknown Or Other3
Tires2
Forward Collision Avoidance2
Sample reports
I LEASED A TOYOTA BZ4X THE PARKING BRAKE LIGHTS AND OTHER LIGHTS COME ON AND OFF WHILE I AM DRIVING AND FOB IS NOT TOUCHED. I TOOK CAR IN TO BE SERVICE FOR REGULAR MAINTENANCE AND WAS TOLD I HAD TO PAY $295 AND I AM UNDER WARRANTY. I W… (MY 2024)
The vehicle experienced repeated electrical and brake system malfunctions that pose serious safety concerns. On multiple occasions, the brake pedal became stiff and unresponsive while driving, and the parking brake system failed to engag… (MY 2024)
On two occasions in the last month, when attempting to start the car, it doesn’t start, the interior dash lights start flickering, and a notification displays stating, “Parking brake cannot be applied”. I then have to “jump” the 12-volt… (MY 2024)
I am writing to formally report ongoing issues with my Toyota bZ4X that raise serious safety concerns. The vehicle has been inspected twice by authorized Toyota service centers, and each time I have been told that no problems were found.… (MY 2024)

Source: NHTSA complaints database (U.S. data.gov). Figures cover production years 2023–2024.

🔧 CRITICAL TORQUE SPECIFICATIONS

Manufacturer torque values for safety-critical fasteners on the Toyota Bz4X (2023–2024).

ComponentSystemTorque
Variable Valve Timing Actuator — Cam Phaser Boltengine65.0 Nm
AC Evaporator — AC Line Fittingshvac20.0 Nm

Frequently Asked Questions

Does the Toyota Bz4x have any safety recalls?

Yes — 7 official NHTSA recall campaign(s) affect this model, mainly: WHEELS:HUB, EQUIPMENT:OTHER:LABELS, VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Check the recalls section for your exact year/VIN.

What does fault code P0071 mean on the Toyota Bz4x?

Ambient Air Temperature Sensor Range/Performance This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.

What does fault code P0070 mean on the Toyota Bz4x?

Ambient Air Temperature Sensor Circuit This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.

What does fault code P0011 mean on the Toyota Bz4x?

A Camshaft Position Timing Over-Advanced or System Performance (Bank 1) This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.

Are electrical problems common on the Toyota Bz4x?

Yes — 12 of 25 real owner reports filed with NHTSA mention the electrical. One owner reported: “The contact owns a 2023 Toyota BZ4X. The contact stated that the vehicle was awaiting a recall repair. The dealer informed the contact that the electrical HVAC compressor needed to be replaced as part…” See the owner-reported complaints section below for more.

What tyres does the Toyota Bz4X (2023–2024) use?

The original OEM tyre size for the Toyota Bz4X (2023–2024) is 215/55 R16. Compatible alternative sizes: ["245/45R19", "235/60R18", "235/50R20"]. See the Tyres section on this page to compare offers from the main suppliers.

What is the right battery for the Toyota Bz4X (2023–2024)?

The battery specified for the Toyota Bz4X (2023–2024) is group 51R (BCI), with a cold cranking rating of 410A. See the Battery section on this page for the main cross-references between brands.

Which OBD2 fault codes are commonly documented for the Toyota Bz4X (2023–2024)?

Commonly documented OBD2 codes across many vehicles include: P0420, P0300, P0171. Find the full description, likely causes and estimated repair costs in the OBD2 Codes section on this page.

How often should the Toyota Bz4X (2023–2024) be serviced?

Routine maintenance for the Toyota Bz4X (2023–2024) typically includes an oil change every 6,000–9,000 miles (10,000–15,000 km), an air filter every 12,000–18,000 miles (20,000–30,000 km) and a brake inspection every 12,000 miles (20,000 km). Check the full plan with specific intervals in the Scheduled Maintenance section on this page.

Bookmark this page to consult it at the workshop or when buying parts. TroubleAtlas updates its technical data continuously — check back for new information on the Toyota Bz4X (2023–2024).

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