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Toyota Granvia H300 airbag control unit repair
Toyota Granvia H300 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.
Notes
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Your part number isn't listed? The list isn't complete – we can usually repair it anyway. Simply create a repair order, or ask us first.
Our estimated repair time for this product is about: 3–4 business days
Which repair matches your fault code?
Below your code you can see what needs to be done.
Your error code isn't listed? The list isn't complete – we can usually repair it anyway. Simply create a repair order, or ask us first.
Specifications
- Make
- Toyota
- Model
- Toyota Granvia
- Series
- H300 (2019-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 Granvia H300 airbag control unit?
The Toyota Granvia H300 airbag control unit is the central safety unit of the Supplemental Restraint System (SRS). It activates occupant restraint systems such as airbags and seatbelt pretensioners in the event of an accident. The module monitors sensors, stores crash data, and ensures the prompt, proper operation of all airbag modules, which is essential for your safety.
This sophisticated module forms the brain of the passive safety system in your Toyota Granvia H300. It is responsible for the precise control of up to nine airbags and seatbelt pretensioners in the vehicle.
Continuous monitoring of impact sensors enables the control unit to react to a collision within milliseconds, ensuring comprehensive protection for vehicle occupants.
Why is the Toyota Granvia H300 airbag control unit defective?
The Toyota Granvia H300 airbag control unit fails due to age-related wear and tear on internal components, overvoltage, or crash data being stored. This leads to malfunctions and safety issues, which is why a professional Toyota Granvia H300 airbag control unit repair is essential to restore vehicle safety.
After an accident, the airbag control unit stores irreversible crash data, making reuse impossible without a professional reset. This data disables the airbag function to prevent tampering.
Electrical problems such as short circuits, power surges, or water damage can also lead to an internal failure of the control unit. A defective unit is often indicated by the airbag warning light illuminating on the dashboard.
Common error codes for Toyota Granvia H300 airbag control unit repair
Toyota Granvia H300 airbag control unit repairs involve specific error codes that directly relate to the control unit's function. A common code is B1000, which indicates communication problems or internal errors in the airbag ECU. Precise diagnosis and clearing of these errors always requires specialized Toyota diagnostic software such as Techstream.
- B1000: Control unit communication error → The airbag ECU cannot communicate correctly with other systems → This indicates an internal problem or a faulty connection to the control unit.
- B1790: Airbag ECU internal problem → The airbag control unit has detected an internal hardware or software error → This may result in failure of the safety functions.
- B1800: Airbag ECU Self Test Error → The airbag control unit failed the internal self test → This indicates a malfunction that requires investigation.
Reading and erasing these error codes must be performed by qualified personnel using specialized diagnostic equipment to ensure full system functionality. General OBD-II scanners are often insufficient for this purpose.
What part numbers are available for the Toyota Granvia H300 airbag control unit repair?
For the Toyota Granvia H300 airbag control unit repair, numerous manufacturer part numbers are stored for this product, including 89170-26340, 89170-26350 and 89170-26360, which clearly belong to airbag control units of this model and are not supplier numbers.
The part number on the label of the airbag control unit can be entered in the repair order. Further suitable numbers are listed in the part number list on this page.
Guide
How to create a repair order
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What our customers say
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„Very good service, didn't even take as long as predicted, price/performance excellent. Very detailed installation instructions. Highly recommended.“
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„Eine der besten Firmen was was Service und können angeht Deutschlands.“
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„The repair of the AIRBAG control unit was carried out quickly“
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„Very fast competent reliable Also cheaper than competitors! Consultation via Mail quick extremely competent and reliable“
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„I registered my airbag control unit online, got a repair order, sent in the device and after 2 days got a response, device ready. Top.. I would have just wished for a note about the defect of the device. For example cold…“
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„Top service, fast repair and friendly and helpful on the phone! Absolutely recommended!“
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„Airbag24 is a very well organized company. The shipping procedure is correct and reliable. The quick repair right after receipt, the clear payment after repair, the UPS shipping right away. I am very satisfied with the r…“
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