2018 Lexus ES 300hFACTORY OEM SERVICE PROCEDURE

Smart Access System With Push-Button Start (For Start Function)

SMART ACCESS SYSTEM WITH PUSH-BUTTON START (FOR START FUNCTION) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Code Detection Item Refer To
B2271 Ignition Hold Monitor Malfunction Refer to DTC B2271: Ignition Hold Monitor Malfunction [07/2015 - ]
B2274 ACC Monitor Malfunction Refer to DTC B2274: ACC Monitor Malfunction [07/2015 - ]
B2275 STSW Monitor Malfunction Refer to DTC B2275: STSW Monitor Malfunction [07/2015 - ]
B2277 Detecting Vehicle Submersion Refer to DTC B2277: Detecting Vehicle Submersion [07/2015 - ]
B2282 Vehicle Speed Signal Malfunction Refer to DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction [07/2015 - ]
B2283 Vehicle Speed Sensor Malfunction Refer to DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction [07/2015 - ]
B2284 Brake Signal Malfunction Refer to DTC B2284: Brake Signal Malfunction [07/2015 - ]
B2285 Steering Lock Position Signal Circuit Malfunction Refer to DTC B2285: Steering Lock Position Signal Circuit Malfunction [07/2015 - ]
U0100 Lost Communication with ECM Refer to DTC U0100: Lost Communication with ECM; DTC U0140: Lost Communication with Main Body ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter; DTC U0293: Lost Communication with HV ECU [07/2015 - ]
U0140 Lost Communication with Main Body ECU Refer to DTC U0100: Lost Communication with ECM; DTC U0140: Lost Communication with Main Body ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter; DTC U0293: Lost Communication with HV ECU [07/2015 - ]
U0142 Lost Communication with Main Body ECU Refer to DTC U0100: Lost Communication with ECM; DTC U0140: Lost Communication with Main Body ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter; DTC U0293: Lost Communication with HV ECU [07/2015 - ]
U0155 Lost Communication with Combination Meter Refer to DTC U0100: Lost Communication with ECM; DTC U0140: Lost Communication with Main Body ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter; DTC U0293: Lost Communication with HV ECU [07/2015 - ]
U0293 Lost Communication with HV ECU Refer to DTC U0100: Lost Communication with ECM; DTC U0140: Lost Communication with Main Body ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter; DTC U0293: Lost Communication with HV ECU [07/2015 - ]
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.