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Home >> Toyota >> 2011 >> Avalon Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Smart Key System (Keyless Entry) (Diagnostic Codes & Circuit Tests) >> Smart Key System >> DTC B279A: Theft Deterrent System Communication Line High Fixation (TO 12/2010) >> Description
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DTC B279A: Theft Deterrent System Communication Line High Fixation (TO 12/2010): Description

If the communication line (EFIO - IMI) to the ID code box is stuck on HI output, the ECM stores this DTC.

DTC Code DTC Detection Condition Trouble Area
B279A When communication line (EFIO - IMI) between ECM and ID code box is stuck on HI output.
  • Wire harness
  • ID code box
  • ECM