Description
Lexus LS460 / LS460L ECU 89661-50C20 Engine Control Module OEM Denso
Here is the detailed description and compatibility for the Toyota / Lexus ECU 89661-50C20, specifically used in Lexus LS460 / LS460L:
🔧 Part Number:
-
Primary OEM: 89661-50C20
-
Other Part Format: 8966150C20
-
Manufacturer: DENSO (often paired with a DENSO sub-code on the label)
✅ Part Name:
Engine Control Unit (ECU / ECM / Engine Computer)
📄 Description:
The 89661-50C20 is a genuine Engine Control Module (ECU) designed for high-end Toyota/Lexus models, specifically the Lexus LS460 and LS460L. This unit is responsible for managing critical engine functions such as fuel injection, ignition timing, variable valve timing, and emissions systems.
-
Application: Luxury full-size sedan with advanced engine and drivetrain control
-
Engine: 4.6L V8 (1UR-FSE)
-
Transmission Type: 8-speed Automatic (AWR10LS)
-
Condition: OEM / Used
-
Programming Required: ✅ Yes — Must be programmed to the vehicle’s VIN and immobilizer system
🚘 Vehicle Compatibility Table:
| Make | Model | Year Range | Engine | Notes |
|---|---|---|---|---|
| Lexus | LS460 | 2007 – 2012 | 4.6L V8 (1UR-FSE) | Base and AWD trims |
| Lexus | LS460L (Long) | 2007 – 2012 | 4.6L V8 (1UR-FSE) | With extended wheelbase |
| Toyota | Celsior (JDM) | Some variants | 1UR-FSE | Japanese market equivalent (rare) |
💡 Always confirm fitment using the VIN or by matching your original ECU’s part number.
⚙️ Programming & Installation Notes:
-
Requires VIN-specific programming using Toyota Techstream or equivalent tools
-
Immobilizer/key registration is typically required
-
Without correct programming, the car may not start or show errors (DTCs)
⚠️ Common Symptoms Requiring ECU Replacement:
-
No start or intermittent start
-
Engine misfire or poor performance
-
Fault codes related to fuel/ignition control (e.g., P0606, P1600)
-
Water damage or failed ECU circuits
🚘 Vehicle Compatibility Table:
| Make | Model | Year Range | Engine | Notes |
|---|---|---|---|---|
| Lexus | LS460 | 2007 – 2012 | 4.6L V8 (1UR-FSE) | Base and AWD trims |
| Lexus | LS460L (Long) | 2007 – 2012 | 4.6L V8 (1UR-FSE) | With extended wheelbase |
| Toyota | Celsior (JDM) | Some variants | 1UR-FSE | Japanese market equivalent (rare) |
💡 Always confirm fitment using the VIN or by matching your original ECU’s part number.
Shipping, returns and warranty
- Worldwide shipping with tracking
- 30-day returns on unused, uninstalled parts
- 90-day limited warranty against defects
Send us your VIN and we confirm fitment before shipping. See our shipping policy and return policy.
Reviews
There are no reviews yet.