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Home >> Lexus >> 2012 >> LS 460L AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Smart Access System With Push-Button 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

WARNING: This page is about a different car, the 2012 Lexus LS 460. However, it is still accessible from the selected car via links, so may be relevant.

This DTC is output when a malfunction occurs in the IG2D output circuit, which is between the IG2 relay actuation circuit inside the main body ECU and the IG2 relay.

DTC Code Detection Condition Trouble Area
B2273 IG2 relay actuation circuit inside main body ECU or other related circuit is malfunctioning
  • Main body ECU
  • IG2 relay
  • Harness or connector
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