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Home >> Lexus >> 2011 >> LS 600hL >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Smart Access System With Push-Button Start (Keyless Start) (Diagnostic Codes & Symptom Tests) >> Smart Access System With Push-Button Start >> DTC B2273: Ignition 2 Monitor Malfunction >> Description

DTC B2273: Ignition 2 Monitor Malfunction: Description

This DTC is output when a malfunction occurs in the IG2D output circuit, which is between the ignition relay No. 2 (IG2) actuation circuit inside the main body ECU and the ignition relay No. 2 (IG2).

DTC Code Detection Condition Trouble Area
B2273 Ignition relay No. 2 (IG2) actuation circuit inside main body ECU or other related circuit is malfunctioning
  • Main body ECU
  • Ignition relay No. 2 (IG2)
  • Harness or connector
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