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.
2013 Toyota Prius TwoFACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Chart
WARNING: This page is about a different variant/trim than selected.
HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to "Refer to" in the DTC chart.
WIRELESS DOOR LOCK CONTROL SYSTEM
| DTC Code | Detection Item | Refer to |
|---|---|---|
| B1242 | Wireless Door Lock Tuner Circuit Malfunction | Refer to DTC B1242: Wireless Door Lock Tuner Circuit Malfunction |
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.