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Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
  1. DTC CHECK 

    If a malfunction code is displayed during the DTC check, the suspected area listed for that code in the table below. For details of the code, refer to "See" below

    SMART KEY SYSTEM

    DTC Code Detection Item Trouble Area See
    B2271 Ignition Hold Monitor Malfunction 1. Power source control ECU
    2. AM2 fuse
    3. Wire harness
    Refer to DTC B2271: Ignition Hold Monitor Malfunction
    B2272 Ignition 1 Monitor Malfunction 1. Power source control ECU
    2. IG1 relay
    3. Wire harness
    Refer to DTC B2272: Ignition 1 Monitor Malfunction
    B2273 Ignition 2 Monitor Malfunction 1. Power source control ECU
    2. IG2 relay
    3. Wire harness
    Refer to DTC B2273: Ignition 2 Monitor Malfunction
    B2274 ACC Monitor Malfunction 1. Power source control ECU
    2. ACC relay
    3. Wire harness
    Refer to DTC B2274: ACC Monitor Malfunction
    B2275 STSW Monitor Malfunction 1. Power source control ECU
    2. ECM
    3. Wire harness
    Refer to DTC B2275: STSW Monitor Malfunction
    B2276 ACCR Signal Circuit Malfunction 1. Power source control ECU
    2. ECM
    3. Wire harness
    Refer to DTC B2276: ACCR Signal Circuit Malfunction
    B2277 Detecting Vehicle Submersion Power source control ECU Refer to DTC B2277: Detecting Vehicle Submersion
    B2278 Engine Switch Circuit Malfunction 1. Power source control ECU
    2. Engine switch
    3. Wire harness
    Refer to DTC B2278: Engine Switch Circuit Malfunction
    B2281 "P" Signal Malfunction 1. Power source control ECU
    2. Shift lock control ECU
    3. Wire harness
    Refer to DTC B2281: "P" Signal Malfunction
    B2282 Vehicle Speed Signal Malfunction 1. Power source control ECU
    2. Combination meter assembly
    3. Wire harness
    Refer to DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction
    B2283 Vehicle Speed Sensor Malfunction 1. Speed sensor
    2. Power source control ECU
    3. Combination meter assembly
    4. Skid control ECU
    5. Each ECU
    6. Wire harness
    Refer to DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction
    B2284 Brake Signal Malfunction 1. Power source control ECU
    2. Stop light switch
    3. Wire harness
    Refer to DTC B2284: Brake Signal Malfunction
    B2285 Steering Lock Position Signal Circuit Malfunction 1. Power source control ECU
    2. Steering lock actuator (steering lock ECU)
    3. Wire harness
    Refer to DTC B2285: Steering Lock Position Signal Circuit Malfunction; DTC B2288: Steering Lock Signal Circuit Malfunction
    B2286 Runnable Signal Malfunction 1. Power source control ECU
    2. ECM
    3. Wire harness
    Refer to DTC B2286: Runnable Signal Malfunction
    B2287 LIN Communication Master Malfunction 1. Power source control ECU
    2. Certification ECU
    3. Wire harness
    Refer to DTC B2287: LIN Communication Master Malfunction; DTC B2289: Key Collation Waiting Time Over
    B2288 Steering Lock Signal Circuit Malfunction 1. Power source control ECU
    2. Steering lock actuator (steering lock ECU)
    3. Wire harness
    Refer to DTC B2285: Steering Lock Position Signal Circuit Malfunction; DTC B2288: Steering Lock Signal Circuit Malfunction
    B2289 Key Collation Waiting Time Over 1. Power source control ECU
    2. Certification ECU
    3. Wire harness
    Refer to DTC B2287: LIN Communication Master Malfunction; DTC B2289: Key Collation Waiting Time Over