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Chevrolet Silverado GMT900 Airbag Control Unit Repair
Chevrolet Silverado GMT900 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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Below your code you can see what needs to be done.
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Specifications
- Make
- Chevrolet
- Model
- Chevrolet Silverado
- Series
- GMT900 (2006-2013)

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 Chevrolet Silverado GMT900 airbag control module?
The Chevrolet Silverado GMT900 airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It monitors sensors, stores crash data, and ensures the proper functioning of all airbag modules in the vehicle to provide maximum safety for the occupants.
It is also called the Sensing Diagnostic Module (SDM) and is crucial for the deployment of airbags and seat belt pretensioners.
This module continuously receives signals from various crash sensors in the vehicle in order to react precisely to a collision.
Why is the Chevrolet Silverado GMT900 airbag control unit defective?
A Chevrolet Silverado GMT900 airbag control module may be defective because it is storing crash data and becoming locked after an accident, or due to internal communication errors caused by an interrupted power supply, which affects the functionality of the entire occupant protection system and requires professional repair.
A defect is often due to an interruption in the power supply, especially on pin 31 (red-white cable) of the control unit.
Internal hardware errors or software corruption can also lead to module failure.
After an accident, the control unit stores accident data and must be reset or replaced to function again.
Common error codes for Chevrolet Silverado GMT900 airbag control unit repair
During Chevrolet Silverado GMT900 airbag control unit repairs, specific error codes often occur. These indicate communication problems with the control unit itself or a missing configuration after replacement. A precise diagnosis using specialized tools is essential to identify the cause.
- B1000 : Control Module Communication Error – This indicates problems with the airbag module’s data transmission, often caused by power supply interruptions.
- B0100 : Configuration Mismatch Error – This code indicates that the SDM was not correctly matched to the vehicle VIN, typically after a module replacement without programming.
Other error codes related to sensors or belt pretensioners are generally not directly attributable to the control unit itself.
What part numbers are available for the Chevrolet Silverado GMT900 airbag control unit repair?
Several verified part numbers are relevant for the Chevrolet Silverado GMT900 airbag control unit repair, including the original GM part number as well as compatible OEM supplier numbers from Autoliv and Bosch. These numbers ensure correct fit and function for your vehicle model, which is crucial for a successful repair.
The primary and 100% verified GM OEM part number for the Chevrolet Silverado GMT900 airbag control module is 13521217 .
Additionally, OEM part numbers 20982474 from Autoliv and 25816951 from Bosch/Autoliv are confirmed as compatible spare parts.
These part numbers are industry standard and listed in professional parts catalogs for the GMT900 platform.
Where is the Chevrolet Silverado GMT900 airbag control unit installed and how does it work?
The Chevrolet Silverado GMT900 airbag control unit is typically located in the center tunnel or under the seat, protected from environmental influences. It continuously monitors sensors, makes decisions about airbag deployment in milliseconds, and stores important accident data to ensure occupant safety in an emergency.
Installation requires correct electrical connection, with the power and ignition pins (pins 31 and 32) being particularly critical.
After installation, the control unit must be adapted to the vehicle VIN and reconfigured using a GM-specific diagnostic tool.
The repaired module returns with all its original vehicle-specific data and is immediately ready for operation after reinstallation – no coding, programming or VIN adjustment required.
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.“



