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Toyota bZ4X XC10 airbag control unit repair
Toyota bZ4X XC10 airbag control unit repair at Airbag24
Airbag24 repairs defective airbag control units professionally and affordably. Both private customers and workshops can order without registration and benefit from fast processing, 2 years' statutory liability for defects and plug&play installation.
Airbag24 works with state-of-the-art diagnostic technology and specialised repair processes. Because defective control units often involve only individual components, a professional overhaul can be considerably cheaper than buying new.
Our advantages: no registration required, a direct online ordering process for B2B and B2C customers, express shipping and comprehensive quality testing. The repaired control unit works like a new part.
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Our estimated repair time for this product is about: 3–4 business days
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Specifications
- Make
- Toyota
- Model
- Toyota bZ4X
- Series
- XC10 (2022-2025)XC10 Facelift (2025-XXXX)

Shipping & repair from Germany
Airbag24 repairs your component in Berlin — usually within 3–4 working days.
Standard shipping within Germany is free; we normally return your part by UPS.
You pay for and insure the inbound shipment to us. On explicit request we ship by express — the extra cost is borne by the customer.
If you withdraw from the contract, you bear the cost of returning the item.
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4.8What is a Toyota bZ4X XC10 airbag control unit?
The Toyota bZ4X XC10 airbag control unit is the central safety unit in the vehicle, continuously monitoring all impact sensors and instantly activating life-saving occupant restraint systems such as airbags and seatbelt pretensioners in the event of an accident. It also stores important crash data and is responsible for the proper functioning of the entire SRS (Supplemental Restraint System).
This module is critical for the safety of vehicle occupants as it processes data from frontal, side, curtain and knee airbag sensors as well as seat occupancy sensors.
It is tailored to the specific vehicle electrical system voltage of the Toyota bZ4X and features an on-board diagnostic unit for fault detection and system monitoring.
Why is the Toyota bZ4X XC10 airbag control unit defective?
A Toyota bZ4X XC10 airbag control unit typically becomes defective or fails because it permanently stores crash data after an accident, preventing further safe operation without a professional reset service or replacement. Internal hardware or software errors, communication problems in the CAN bus, or power supply issues can also lead to failure, necessitating immediate Toyota bZ4X XC10 airbag control unit repair .
Because the control unit stores accident data, it often needs to be reset or repaired after a collision, otherwise the airbag warning light will remain permanently lit and the system will remain deactivated.
A broken module can also be caused by internal electronic errors or faulty programming, which makes system diagnosis difficult and requires a special Toyota bZ4X XC10 airbag control unit repair or replacement.
Common error codes for Toyota bZ4X XC10 airbag control unit repair
While no official, specific trouble codes are publicly available exclusively for the Toyota bZ4X XC10 airbag control unit, general airbag ECU codes (B-codes) in the B1000-B1600 range indicate problems with the control unit itself, which may require a Toyota bZ4X XC10 airbag control unit repair . These generic codes typically signal internal errors, communication problems, or issues with the module's power supply.
- B1000 → Control unit communication error → Cause: Problem in data transmission between ECU and other systems.
- B1100 → Internal airbag control unit error → Cause: Hardware or software error within the module itself, causing failure.
- B1120 → Airbag control unit hardware monitoring → Cause: The control unit detects an internal malfunction or inconsistency.
- B1200 → Airbag control unit voltage supply → Cause: Insufficient or unstable power supply to the control unit.
- B1400 → EEPROM memory error in the airbag control unit → Cause: Damage to the non-volatile memory data, often after an accident.
A professional diagnosis with Toyota-specific tools in the workshop is essential to identify the exact cause of the error codes and to perform a correct Toyota bZ4X XC10 airbag control unit repair .
What part numbers are available for the Toyota bZ4X XC10 airbag control unit repair?
For Toyota bZ4X XC10 airbag control unit repair, two 100% verified Toyota OEM part numbers are primarily relevant: 89170-42E70 and 89170-42B60. Both are confirmed as original airbag control units for the Toyota bZ4X model years 2023 and 2024 (until 11/2023). These numbers are sourced from official or professional Toyota spare parts sources and ensure full compatibility and safety standards.
The part number 89170-42E70 is repeatedly identified as a suitable original module for the Toyota bZ4X (model year 2023).
The number 89170-42B60 is also an official OEM part number, listed by the official Toyota parts platform for the bZ4X as of November 2023.
No other OEM part numbers from suppliers such as Bosch or Continental could be publicly verified for this specific model and control unit, which narrows down the search for suitable replacement parts for a Toyota bZ4X XC10 airbag control unit repair .
Based on 246 reviews
What our customers say
„Ok.“
„Works like a charm!“
„Everything went perfectly, I can only recommend it.“
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„From the first phone call, the order processing, to the shipping everything was done very quickly and professionally. Now I still have to send the repaired unit to the Swedish workshop and then hopefully the Honda can fi…“
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„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
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„Everything worked out great! Read out fault memory, sent it in, received offer and sent in the defective control unit. Got it back repaired after 3 days, price exactly as in the offer. It can't get any better 👍“
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„Uncomplicated service. Fast and thorough. Can only recommend.“
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„All great👍“
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„All great, fast delivery. Thanks.“
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„100% satisfied. Everything handled very professionally and transparently. Only the return shipping took too long. This was however due to UPS and less to Aairbag24. Thank you very much“
Automatically translated · Original: German
„VAG airbag control unit with error B2000 00 reliably repaired. Price very high in comparison, but everything worked out. No exact protocol of what was carried out, probably just newly flashed“
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„A great shop, even when there are sometimes problems. There are quick responses and very good help. I can only recommend the shop. Thank you very much“
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„Ok.“




