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Home >> Lexus >> 2006 >> IS 250 RWD, Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Pre-Collision Safety >> DTC B2059: Vehicle Speed Malfunction >> Description

DTC B2059: Vehicle Speed Malfunction: Description

The distance control ECU uses the combination meter to send vehicle speed information to the ECM. The ECM and the skid control ECU use CAN communication to send vehicle speed information to the distance control ECU. This DTC is output when the difference between the vehicle speed information from the ECM and the skid control ECU is more than the specified value.

DTC TABLE

DTC No. DTC Detection Condition Trouble Area
B2059
  • Difference between vehicle speed information from ECM and ABS & traction actuator assembly is more than specified value
  • Combination meter assembly
  • ECM
  • Skid control ECU
  • Distance control ECU
  • Seat belt control ECU
NOTE: When the distance control ECU is replaced with a new one, INITIALIZATION must be performed. (See INITIALIZATION  )