Toyota Tacoma N300 airbag control unit repair

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Regular price €65,00
Sale price €65,00 Regular price
Tax included.

Possible airbag error codes for this car:

Toyota Tacoma N300 airbag control unit repair bei Airbag24

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Part number of the control units in this car

Possible error codes

Notes

If it is determined that the control unit is not defective, only a flat-rate test fee will be charged

What is a Toyota Tacoma N300 airbag control unit?

The Toyota Tacoma N300 airbag control unit is the central safety unit in the vehicle, continuously monitoring all components of the Supplemental Restraint System (SRS). It processes sensor data, decides whether to deploy airbags and seatbelt pretensioners in the event of an accident, and stores important crash information for diagnostic purposes.

This vital module ensures that airbags are deployed correctly and in a timely manner only when necessary. A professional Toyota Tacoma N300 airbag control unit repair is essential for safety. It communicates via the vehicle's CAN bus to report system errors to the driver and ensure proper functionality.

Each time the engine is started, it performs a self-test to check the operational readiness of the entire airbag system and detect potential failures.

Why is the Toyota Tacoma N300 airbag control unit defective?

The Toyota Tacoma N300 airbag control unit can fail for a variety of reasons, often after an accident, as it permanently stores crash data, or due to internal electronic failures. Water damage, short circuits in the vehicle's wiring harness, or aging components can also lead to failure, which causes the SRS warning light to illuminate.

An accident is the most common cause, as the control unit irreversibly stores the crash information, necessitating reprogramming or replacement. Internal software errors or damaged EEPROM memory can also lead to malfunctions that damage the module.

Electrical surges or corrosion at the connectors are other reasons why an airbag control unit may fail and require professional diagnosis.

Common error codes for Toyota Tacoma N300 airbag control unit repair

Reading specific error codes is essential for Toyota Tacoma N300 airbag control unit repairs, as they allow for a precise diagnosis of system problems. Typical codes indicate communication problems or circuit faults within the control unit itself, facilitating precise troubleshooting.

  • B1000 → Control unit communication error → Internal malfunction of the airbag ECU or problem with the CAN bus connection.
  • B0102 → Driver airbag circuit short to ground → Short circuit in the driver airbag circuit, often in the wiring harness or airbag module.
  • B0103 → Driver airbag circuit short circuit to positive → Short circuit in the driver airbag circuit to battery voltage.

These error codes directly indicate problems with the airbag control unit or its circuits, not with external sensors. A professional diagnostics at a workshop is necessary to determine the exact cause and initiate the necessary steps to correct the problem.

It is important to only look at control unit-specific codes to ensure a targeted repair.

What part numbers are available for the Toyota Tacoma N300 airbag control unit repair?

For Toyota Tacoma N300 airbag control unit repairs, several specific OEM part numbers are known to be 100% verified and compatible, allowing for direct replacement. These numbers ensure compatibility with your vehicle model and are crucial for a successful airbag system repair.

  • 89170-04080 → Genuine Toyota (OEM) Airbag Control Unit
  • 89170-04120 → Genuine Toyota (OEM) Airbag Control Unit, SDM Module
  • 89170-04150 → Original Toyota (OEM) Airbag Control Unit, Diag Unit with Sensor
  • 89170-04570 (or 8917004570) → Genuine Toyota (OEM) airbag control unit, also for 2005 Tacoma
  • 8917004080 → Genuine Toyota (OEM) Airbag Control Unit fits 2005–2008 Tacoma

These OEM part numbers cover the most common airbag control units for the Toyota Tacoma N300 from approximately 2005 onward. Please note that the airbag control unit often needs to be programmed to the vehicle's specific vehicle identification number (VIN) before it is fully functional.

Proper installation and programming in a specialized workshop is crucial to avoid malfunctions after repair and to ensure safety.

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