Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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
| DTC Code | Detection Item | Trouble Area | See |
|---|---|---|---|
| B2271 | Ignition Hold Monitor Malfunction |
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| B2272 | Ignition 1 Monitor Malfunction |
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| B2273 | Ignition 2 Monitor Malfunction |
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| B2274 | ACC Monitor Malfunction |
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| B2275 | STSW Monitor Malfunction |
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| B2277 | Detecting Vehicle Submersion | Main body ECU | |
| B2278 | Power Switch Circuit Malfunction |
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| B2281 | "P" Signal Malfunction |
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| B2282 | Vehicle Speed Signal Malfunction |
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| B2283 | Vehicle Speed Sensor Malfunction |
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| B2284 | Brake Signal Malfunction |
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| B2285 | Steering Lock Position Signal Circuit Malfunction |
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| B2286 | Runnable Signal Malfunction |
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| B2288 | Steering Lock Signal Circuit Malfunction |
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| B2289 | Key Collation Waiting Time Over |
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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