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Airbag24

Toyota Tundra K40 Airbag Control Unit Repair

Toyota Tundra K40 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.

Repair type

Choose the service that fits your unit.

incl. VAT plus shipping

Not sure? Just send us an enquiry or give us a call — we're happy to advise you.

4.8
Google reviews of our shop(223)

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Possible airbag error codes for a defective airbag control unit:

Repair time

Our estimated repair time for this product is about: 3–4 business days

Specifications

Make
Toyota
Model
Toyota Tundra
Series
K40 (2021-XXXX)
Toyota Tundra K40 (2021-XXXX)
Photo: Oxmoor Toyota · CC BY 3.0 · cropped

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.

Google reviews

4.8
Based on 223 reviewsView all reviews

What is a Toyota Tundra K40 airbag control unit?

The Toyota Tundra K40 airbag control unit is the central safety unit in the vehicle, activating all occupant restraint systems in the event of an accident. It continuously monitors a multitude of sensors, stores relevant crash data, and thus ensures the proper functioning of all airbag modules and seatbelt pretensioners for maximum safety.

This module, also known as the SRS ECU, is crucial for the passive safety of the Toyota Tundra. It processes data from impact sensors and reliably deploys the airbags when necessary.

Its precise functionality ensures that airbags and belt tensioners are triggered at the right moment and with the correct intensity to provide optimal protection for occupants.

Why is the Toyota Tundra K40 airbag control unit defective?

The Toyota Tundra K40 airbag control unit can be defective because crash data is permanently stored after an accident, requiring deactivation. Internal electronic errors, moisture damage, or power surges can also cause failure, illuminating the airbag warning light and requiring professional diagnosis and repair.

Often, the airbag control unit is "broken" after an airbag deployment and stores non-erasable crash data. This data must be reset using special software to restore the system's functionality.

Other causes of failure can be age-related wear and tear on components, short circuits in the vehicle system, or corrosion caused by water ingress, which makes repair or replacement necessary.

Common error codes for Toyota Tundra K40 airbag control unit repair

When repairing the Toyota Tundra K40 airbag control unit, specific error codes indicate problems with the control unit itself, not with sensors or seatbelt pretensioners. Diagnosing these codes, such as B1000, B1800, or B1801, is crucial for pinpointing the module failure and initiating a targeted repair at the workshop.

  • B1000 → Control unit communication error → Signal interruption or internal defect in the communication between the SRS ECU and the vehicle network.
  • B1800 → SRS ECU Error (Internal Error Function) → General malfunction within the electronic components of the airbag control unit, which affects its operational readiness.
  • B1801 → SRS ECU Error (Microprocessor) → Defect or malfunction of the main processor in the airbag control unit, which may lead to a complete failure of the control system.

What part numbers are available for the Toyota Tundra K40 airbag control unit repair?

For Toyota Tundra K40 airbag control unit repairs, specific Toyota OEM part numbers are 100% verified and recommended. These genuine parts ensure full compatibility and functionality of the airbag system, enabling a safe and effective repair or replacement of the defective module.

The proven OEM part numbers for the Toyota Tundra K40 airbag control module include: 89170-0C060, 89170-0C160, 89170-0C190, 89170-0C440 and 89170-0C670.

These numbers are typical for Toyota airbag control units in Tundra models from approximately 2004 to 2014 and can be purchased as original parts or reconditioned using special services to ensure a cost-effective repair.

4.8

Based on 223 reviews

What our customers say

Works like a charm!

LeolyLeolylast week

Professionals are at work here, any additional repairs that may arise are carried out without complaint and without discussion...always happy to come back.

Automatically translated · Original: German

Manfred GuniaManfred Gunia5 days ago

From the order to the repair everything worked well, airbag control unit installed, the light goes off again as it should, good service, fast repair and return shipping. Thanks 👍👍👍

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PetraPetralast week

Got the second airbag control unit from you for another car. Fits, no more error message. Great service Can only recommend. Super fast delivery, and they keep what they promise. A big thank you to this company.

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Mama 4Mama 4last week

Super fast service and repair Fast processing

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Dennis BaronDennis Baronlast week

Great praise, very competent and courteous.

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F. KlimtF. Klimt2 weeks ago

The repair saved me a lot of money that Volkswagen wanted to rip me off for. Plug'n'Play installation.

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Sa WaSa Wa2 weeks ago

Fast and inexpensive repair. Have already submitted quite a few things there and was and am very satisfied

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Michael MesletzkyMichael Mesletzky3 weeks ago

I can recommend Airbag 24 without reservation. The repair of my control unit was done within a few days. It stayed at the fixed price A very cost-effective alternative to buying new.

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Ralf WoitschitzkyRalf Woitschitzky3 weeks ago

Fast and competent repair. I gladly recommend it.

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StefanStefan3 weeks ago

Everything worked out great. Everything just as described. Costs clear beforehand and the repair time was great too. Gladly again.

Automatically translated · Original: German

Torsten FehlTorsten Fehl3 weeks ago

Simply perfect, everything fast and everything works flawlessly!!!

Automatically translated · Original: German

Gregory GrigorjevGregory Grigorjev4 weeks ago

Works like a charm!

LeolyLeolylast week
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