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Home >> Lexus >> 2023 >> 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 B2620: ECU Power Source Circuit Malfunction [08/2015 - 08/2019] >> Description
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DTC B2620: ECU Power Source Circuit Malfunction [08/2015 - 08/2019]: Description

The ECU power source circuit supplies positive voltage to the multiplex tilt and telescopic ECU.

DTC Code Detection Condition Trouble Area
B2620 The ECU power source voltage drops to 8 V or less for 10 seconds or more.
  • ECU-B fuse
  • Harness or connector
  • Multiplex tilt and telescopic ECU