LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> LS 460L >> Repair and Diagnosis >> Electrical >> Starter >> Starting >> Smart Access System With Push-Button Start >> Diagnostic Trouble Code Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Chart

HINT:

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the links below.

Smart access system with push-button start 

DTC CHART

DTC Code Detection Item Trouble Area
B2271  Ignition Hold Monitor Malfunction
  • Main body ECU
  • AM2 fuse
  • Harness or connector
B2272  Ignition 1 Monitor Malfunction
  • Main body ECU
  • Harness or connector
B2273  Ignition 2 Monitor Malfunction
  • Main body ECU
  • IG2 relay
  • Harness or connector
B2274  ACC Monitor Malfunction
  • Main body ECU
  • Harness or connector
B2275  STSW Monitor Malfunction
  • Main body ECU
  • SFI system
  • Harness or connector
B2276  ACCR Signal Circuit Malfunction
  • Main body ECU
  • SFI system
  • Harness or connector
B2277  Detecting Vehicle Submersion Main body ECU
B2278  Engine Switch Circuit Malfunction
  • Main body ECU
  • Engine switch
  • Harness or connector
B2281  "P" Signal Malfunction
  • Main body ECU
  • Shift lock control ECU
  • Harness or connector
B2282  Vehicle Speed Signal Malfunction
  • Main body ECU
  • Combination meter
  • Harness or connector
B2283  Vehicle Speed Sensor Malfunction
  • Main body ECU
  • Combination meter
  • Speed sensor
  • Skid control ECU
  • Harness or connector
B2284  Brake Signal Malfunction
  • Main body ECU
  • Stop light switch
  • Lighting system
  • Harness or connector
B2285  Steering Lock Position Signal Circuit Malfunction
  • Main body ECU
  • Steering lock ECU
  • Harness or connector
B2286  Runnable Signal Malfunction
  • Main body ECU
  • SFI system
  • Harness or connector
B2288  Steering Lock Signal Circuit Malfunction
  • Main body ECU
  • Steering lock ECU
  • Harness or connector
B2289  Key Collation Waiting Time Over
  • Main body ECU
  • Engine immobilizer system
  • Harness or connector
  • Engine switch
  • Entry function
  • Key