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Home >> Lexus >> 2020 >> GX 460 Base >> Repair and Diagnosis (Single Page) >> Steering >> Steering Column >> Power Tilt & Telescopic Steering Column System (Diagnostic Codes & Circuit Tests) >> Power Tilt And Power Telescopic Steering Column System >> DTC B2621: Communication Interruption [08/2015 - 08/2019] >> Description

DTC B2621: Communication Interruption [08/2015 - 08/2019]: Description

The multiplex tilt and telescopic ECU forms a network with the ECUs of other systems through the CAN communication bus. Each ECU informs the other ECUs that it is connected to the network by outputting a specified signal (periodic signal) to the CAN communication bus on a regular schedule. The multiplex tilt and telescopic ECU detects the connection of each ECU based on the signal.

DTC Code Detection Condition Trouble Area
B2621 The periodic signal from a specified ECU has stopped.
  • CAN communication system
  • Multiplex tilt and telescopic ECU
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