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.
2016 Infiniti QX80 Base, AWDFACTORY OEM SERVICE PROCEDURE
Intelligent Cruise Control System DTCS
INTELLIGENT CRUISE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC C1A00 | CONTROL UNIT |
| DTC C1A01 | POWER SUPPLY CIRCUIT 1, C1A02 POWER SUPPLY CIRCUIT 2 |
| DTC C1A12 | RADAR OFF-CENTER |
| DTC C1A16 | RADAR BLOCKED |
| DTC C1A21 | UNIT HIGH TEMP |
| DTC C1A23 | UNIT LOW TEMP |
| DTC C1A39 | STEERING ANGLE SENSOR |
| DTC C1A50 | ADAS CONTROL UNIT |
| DTC U0104 | ADAS CAN 1 |
| DTC U0121 | VDC CAN 2 |
| DTC U0126 | STRG SEN CAN 1 |
| DTC U0405 | ADAS CAN 2 |
| DTC U0415 | VDC CAN 1 |
| DTC U0428 | STRG SEN CAN 2 |
| DTC U1000 | CAN COMM CIRCUIT |
| DTC U1010 | CONTROL UNIT (CAN) |
Factory Service Tools
Use the Manual With the Right Hardware
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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.