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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 B2274: ACC Monitor Malfunction >> Description

DTC B2274: ACC 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 ACCD output circuit, which is between the D-ACC relay actuation circuit inside the main body ECU and the D-ACC relay.

DTC Code Detection Condition Trouble Area
B2274 D-ACC relay actuation circuit inside main body ECU or other related circuit is malfunctioning
  • Main body ECU
  • Harness or connector
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