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.
DTC C1A0C: Object Recognition Camera Region Code Mismatch: Procedure
- CHECK OBJECT RECOGNITION ECU
- Enter the following menus: Powertrain / Radar Cruise / Data List.
- Read the Data List and check the country specification information of the object recognition ECU and vehicle.RESULT
Result Proceed to Country specification information for vehicle and object recognition ECU match A Country specification information for vehicle and object recognition ECU do not match B HINT:
The country specification information of the driving support ECU is decided by the combination meter. Even if the vehicle and object recognition ECU country specification information matches, if the country specification information for the vehicle and driving support ECU/meter do not match, it is necessary to replace the driving support ECU and meter.
B → See step 2
A → REPLACE COMBINATION METER AND DRIVING SUPPORT ECU
- REPLACE OBJECT RECOGNITION ECU. Refer to REMOVAL
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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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