2008 Lexus LS 600hLFACTORY OEM SERVICE PROCEDURE

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, see table below.

Smart access system with push-button start 

DIAGNOSTIC TROUBLE CODE CHART - SMART ACCESS SYSTEM WITH PUSH-BUTTON START

DTC Code Detection Item Trouble Area See
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
  • Ignition relay No 2 (IG2)
  • Harness or connector
  
B2274  ACC Monitor Malfunction
  • Main body ECU
  • Harness or connector
  
B2275  STSW Monitor Malfunction
  • Main body ECU
  • Hybrid vehicle control ECU
  • Harness or connector
  
B2277  Detecting Vehicle Submersion Main body ECU  
B2278  Power Switch Circuit Malfunction
  • Main body ECU
  • Power switch
  • Harness or connector
  
B2281  "P" Signal Malfunction
  • Main body ECU
  • Transmission floor shift assembly (shift lock control ECU)
  • Harness or connector
  
B2282  Vehicle Speed Signal Malfunction
  • Main body ECU
  • No 1 meter ECU sub-assembly
  • Harness or connector
  
B2283  Vehicle Speed Sensor Malfunction
  • Main body ECU
  • No 1 meter ECU sub-assembly
  • Speed sensor
  • Skid control ECU
  • Harness or connector
  
B2284  Brake Signal Malfunction
  • Main body ECU
  • Stop light switch
  • STOP fuse
  • Lighting system
  • Harness or connector
  
B2285  Steering Lock Position Signal Circuit Malfunction
  • Main body ECU
  • Steering lock actuator assembly (steering lock ECU)
  • Harness or connector
  
B2286  Runnable Signal Malfunction
  • Main body ECU
  • Hybrid vehicle control ECU
  • Harness or connector
  
B2288  Steering Lock Signal Circuit Malfunction
  • Main body ECU
  • Steering lock actuator assembly (steering lock ECU)
  • Harness or connector
  
B2289  Key Collation Waiting Time Over
  • Main body ECU
  • Power switch
  • Entry function
  • Key
  • Engine immobilizer system
  • Harness or connector
  
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.