2005 Toyota Avalon XLSFACTORY OEM SERVICE PROCEDURE

Push Button Start DTCS

PUSH BUTTON START DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description
B2271 IGNITION HOLD MONITOR MALFUNCTION
B2272 IGNITION 1 OUTSIDE-MONITOR MALFUNCTION
B2273 IGNITION 2 OUTSIDE-MONITOR MALFUNCTION
B2274 ACC MONITOR MALFUNCTION
B2275 STSW MONITOR MALFUNCTION
B2276 ACCR CIRCUIT DOES NOT MATCH TO STR MONITOR
B2277 DETECTING VEHICLE SUBMERSION
B2278 MAIN SWITCH MALFUNCTION (STARTER SWITCH 1 SIGNAL DOES NOT MATCH TO STARTER SWITCH 2 SIGNAL)
B2281 P SIGNAL MALFUNCTION (CABLE INFORMATION DOES NOT MATCH TO BEAN-INFORMATION)
B2282, B2283 VEHICLE SPEED SIGNAL MALFUNCTION (CABLE INFORMATION DOES NOT MATCH BEAN-INFORMATION)
B2284 BRAKE SIGNAL MALFUNCTION (CABLE INFORMATION DOES NOT MATCH BEAN INFORMATION)
B2285 STEERING LOCK POSITION SIGNAL MALFUNCTION (CABLE-INFORMATION DOES NOT MATCH TO LIN-INFORMATION)
B2288 STEERING LOCK UNLOCK WAITING TIME OVER
B2286 RUNABLE SIGNAL MALFUNCTION (CABLE-INFORMATION DOES NOT MATCH TO BEAN-INFORMATION)
B2287 LIN COMMUNICATION MASTER MALFUNCTION
B2289 KEY COLLATION WAITING TIME OVER
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:

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