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DTC B2624: Vehicles Speed Malfunction [08/2013 - ]: Description

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

The multiplex tilt and telescopic ECU forms a network with the ECUs of other systems via CAN communication. Each ECU informs the other ECUs that it is connected to the network by sending a specified signal (periodic signal) onto the communication bus on a regular basis. The multiplex tilt and telescopic ECU receives vehicle speed signals from the combination meter assembly via the CAN communication bus to prevent improper operation of the auto away/return function while driving.

DTC No. Detection Condition Trouble Area
B2624
  • The auto away function is disabled with the last vehicle speed signal* of 10 km/h (6 mph) or more.
  • The vehicle speed signal is lost for 5 seconds or more and the auto away/return function is disabled.
  • CAN communication system
  • Meter / gauge system
  • Multiplex tilt and telescopic ECU

*: If the power switch is turned off immediately after the vehicle comes to a sudden stop, the last vehicle speed signal may not be 0 km/h (0 mph).

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