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.
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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCECRUISE CONTROL SYSTEM (DTC/CIRCUIT DIAGNOSIS)
2019 Infiniti Q70 3.7 Luxe, AWD
Cruise Control System (DTC/Circuit Diagnosis)
2019 Infiniti Q70 3.7 Luxe, AWDSECTION Cruise Control System (DTC/Circuit Diagnosis)
- DTC Index
- DTC/Circuit Diagnosis
- 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)
- Power Supply And Ground Circuit
RENDER: 1.0x
NO RELATED
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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.