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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASCRUISE CONTROL SYSTEMECU DIAGNOSIS INFORMATIONICC SENSORDTC INDEX
2019 Infiniti Q70 3.7 Luxe, AWD

DTC Index

2019 Infiniti Q70 3.7 Luxe, AWDSECTION DTC Index
NOTE:
  • The details of time display are as per the following.
    • 0: The malfunctions that are detected now

    CAN communication system (U1000, U1010)

    • 1 - 39: It increases like 0 -> 1 -> 2... 38 -> 39 after returning to the normal condition whenever the ignition switch OFF -> ON. It returns to 0 when a malfunction is detected again in the process.
    • If it is over 39, it is fixed to 39 until the self-diagnosis results are erased.

    Other than CAN communication system (Other than U1000, U1010)

    • 1 - 49: It increases like 0 -> 1 -> 2... 38 -> 49 after returning to the normal condition whenever the ignition switch OFF -> ON. It returns to 0 when a malfunction is detected again in the process.
    • If it is over 49, it is fixed to 49 until the self-diagnosis results are erased.

x: Applicable

DTC

CONSULT display

Fail-safe

Reference

CONSULT

Vehicle-to-vehicle distance control mode

Conventional (fixed speed) cruise control mode

Distance Control Assist (DCA)

Forward Emergency Braking (FEB) /Predictive Forward Collision Warning (PFCW)

C1A00

CONTROL UNIT

x

x

x

x

DTC Logic

C1A01

POWER SUPPLY CIR

x

x

x

x

DTC Logic

C1A02

POWER SUPPLY CIR2

x

x

x

x

DTC Logic

C1A12

RADAR OFF-CENTER

x

x

x

DTC Logic

C1A16

RADAR BLOCKED

x

x

x

DTC Logic

C1A21

UNIT HIGH TEMP

x

x

x

x

DTC Logic

C1A23

UNIT LOW TEMP

x

x

x

x

DTC Logic

C1A39

STRG SEN CIR

x

x

x

x

DTC Logic

C1A50

ADAS MALFUNCTION

x

x

x

x

DTC Logic

U0104

ADAS CAN CIR1

x

x

x

x

DTC Logic

U0121

VDC CAN CIR2

x

x

x

x

DTC Logic

U0126

STRG SEN CAN CIR1

x

x

x

x

DTC Logic

U0405

ADAS CAN CIR2

x

x

x

x

DTC Logic

U0415

VDC CAN CIR1

x

x

x

x

DTC Logic

U0428

STRG SEN CAN CIR2

x

x

x

x

DTC Logic

U1000

CAN COMM CIRCUIT

x

x

x

x

DTC Logic

U1010

CONTROL UNIT (CAN)

x

x

x

x

DTC Logic
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.