896660KQ12 TOYOTA HILUX Control Unit Engine Control Unit
technical inventory at Buy Mustang parts Ltd, the Toyota Hilux Engine Control Unit (Part #89666-0KQ12) is a critical electronic component for the current generation of Hilux.
As of early 2026, this ECU is primarily associated with the 2.4L 2GD-FTV Diesel engine found in the GUN125 and GUN122 series. It represents a refined version of the engine management system used in the post-2015 “Revo” and “Invincible” models.
1. Technical Compatibility & Specs
This unit is manufactured by DENSO (often carrying the manufacturer code SZ276100-5271 or RB276100-1561). It is designed to manage the variable geometry turbocharger and high-pressure common-rail injection system of the 2GD engine.
| Feature | Specification |
| Engine Code | 2GD-FTV (2.4L Turbo Diesel) |
| Power Output | Typically calibrated for 150 HP (110 kW) |
| Model Years | 2017–2026 (Commonly found in 2018–2021 builds) |
| Drivetrain | Supports both 4WD (GUN125) and 2WD (GUN122) configurations. |
| Transmission | Compatible with both 6-speed Manual and 6-speed Automatic (software dependent). |
2. The “Immobilizer” Constraint
For your luxury clientele, it is vital to note that this ECU is not a “Plug & Play” part in its raw state.
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Security Pairing: The 89666-0KQ12 is hard-coded to the vehicle’s Immobilizer (IMMO) chip and the Smart Key system.
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Listing Advice: When selling this unit, clearly state: “Requires professional programming/coding to your vehicle’s VIN and Immobilizer system.” * The “Virginized” Premium: If you have the capability to “reset” or “virginize” the ECU (clearing the previous VIN data), you can charge a 25% premium, as it allows the buyer to pair it using standard Toyota Techstream software without a specialist EEPROM programmer.





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