Toyota Sequoia 5.7 3UR-FBE Firmware 89663-0CA22

89663-0CA22 is a Toyota engine-control calibration identifier associated in this catalog with the Sequoia 5.7-liter 3UR-FBE engine. The 3UR-FBE is a flex-fuel V8, and its engine control module manages the fuel and ignition strategies needed for engine operation.

Engine-control role

The engine control module uses sensor information to regulate functions such as fuel injection, ignition timing and electronic throttle response. On a flex-fuel engine, fuel control must also account for the fuel’s ethanol content. These functions affect starting, drivability, power delivery and emissions.

The catalog filename Sequoia 5.7 3URFBE 89663-0CA22.bin identifies a firmware file by vehicle, engine and calibration number. It does not identify a modified variant or establish a particular change made by this calibration revision. The identifier alone also does not establish compatibility with every Sequoia equipped with a 5.7-liter engine.