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Home >> Lexus >> 2009 >> IS F >> Repair and Diagnosis (Single Page) >> Steering >> Steering Column >> Power Tilt And Power Telescopic Steering Column System (Diagnostic Codes & Circuit Tests) >> Power Tilt And Power Telescopic Steering Column System >> DTC B2620: ECU Power Source Circuit Malfunction >> Description

DTC B2620: ECU Power Source Circuit Malfunction: Description

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

DTC No. Detection Item Trouble Area
B2620 The voltage of the ECU power source drops to 8 V or less and this condition continues for 10 secs. or more.
  • Battery
  • Wire harness or connector
  • Multiplex tilt and telescopic ECU
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