Range Rover P38 Engine Control Unit ECU Gems 8 ERR6645 4.6 V8 1994 to 1998
1994–1998 Range Rover P38 4.6L V8 GEMS Engine Control Unit ECU — ERR6645
Restore proper engine-management operation with this Genuine Land Rover GEMS 8 Engine Control Unit, intended for compatible Range Rover P38 models equipped with the 4.6L V8 engine. The module features a durable metal housing and three integrated factory connector ports.
Installation will generally require synchronization with the vehicle’s Body Electrical Control Module (BeCM) and immobilizer system. Professional programming and installation are strongly recommended.
Product details:
- Brand: Genuine Land Rover
- Product type: Engine Control Unit / Engine Control Module (ECU/ECM)
- Land Rover part number: ERR6645
- Engine-management system: GEMS 8
- Compatible vehicle: Select 1994–1998 Range Rover models
- Chassis: P38 / P38A
- Engine: 4.6L V8
- Connector ports: 3
- Housing material: Metal/aluminum
- Installation type: Factory replacement
- Programming or synchronization required: Yes
- Universal fitment: No
- Country of manufacture: United Kingdom
- Quantity included: One ECU
Important: Match ERR6645, the GEMS 8 designation, connector configuration, and all label information with the original module. Verify compatibility by VIN, engine specification, transmission, market, and production date before ordering.
A replacement GEMS ECU may need to be configured and security-learned to the vehicle’s BeCM before the engine will start. It should not be treated as a plug-and-play replacement unless it has already been correctly prepared for the specific vehicle.
The pictured unit shows scratches, scuffs, discoloration, and cosmetic wear consistent with previous use. Review all photos for its exact condition.