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
ADAS Control Unit
ADAS CONTROL UNIT DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC C1A0A | ADAS CONTROL UNIT CONFIGURATION UNFINISHED |
| DTC C1A00 | ADAS CONTROL UNIT INTERNAL MALFUNCTION |
| DTC C1A01, C1A02 | ADAS CONTROL UNIT POWER SUPPLY CIRCUIT 1 OR CIRCUIT 2 |
| DTC C1A03 | VEHICLE SPEED SENSOR CIRCUIT |
| DTC C1A04 | ABS/TCS/VDC SYSTEM CIRCUIT |
| DTC C1A05 | BRAKE SWITCH/STOP LAMP SWITCH SIGNAL MISMATCH |
| DTC C1A06 | OPERATION SWITCH CIRCUIT |
| DTC C1A13 | STOP LAMP RELAY |
| DTC C1A14 | ECM CIRCUIT |
| DTC C1A15 | GEAR POSITION SIGNAL MISMATCH |
| DTC C1A24 | SHIFT POSITION AND GEAR POSITION SIGNAL MISMATCH |
| DTC C1A26 | ECD MODE MALFUNCTION |
| DTC C1A27 | ECD POWER SUPPLY CIRCUIT LOW VOLTAGE |
| DTC C1A33 | ADAS CAN COMMUNICATION SIGNAL TRANSMISSION ERROR |
| DTC C1A34 | ADAS COMMAND SIGNAL ERROR |
| DTC C1A35 | ACCELERATOR PEDAL ACTUATOR MALFUNCTION |
| DTC C1A36 | ACCELERATOR PEDAL ACTUATOR CAN COMMUNICATION SIGNAL ERROR |
| DTC C1A37 | ACCELERATOR PEDAL ACTUATOR CAN CIRCUIT 2 ERROR SIGNAL |
| DTC C1A38 | ACCELERATOR PEDAL ACTUATOR CAN CIRCUIT 1 ERROR SIGNAL |
| DTC C1A39 | STEERING ANGLE SENSOR MALFUNCTION |
| DTC C1B00 | LANE CAMERA UNIT MALFUNCTION |
| DTC C1B01 | CAMERA AIMING INCOMPLETE |
| DTC C1B03 | LANE CAMERA HIGH TEMPERATURE DETECTED |
| DTC C1B5D | FORWARD EMERGENCY BRAKING SYSTEM REPEATED OPERATION |
| DTC C1B53 | RH SIDE RADAR MALFUNCTION |
| DTC C1B54 | LH SIDE RADAR MALFUNCTION |
| DTC C1B56 | REAR SONAR CIRCUIT MALFUNCTION |
| DTC C1B57 | AROUND VIEW MONITOR (AVM) CONTROL UNIT MALFUNCTION |
| DTC C1B58 | DRIVER ASSISTANCE BUZZER MALFUNCTION |
| DTC C1B82 | DISTANCE SENSOR OFF-CENTER |
| DTC C1B83 | DISTANCE SENSOR BLOCKED |
| DTC C1B84 | DISTANCE SENSOR MALFUNCTION |
| DTC C1B85 | DISTANCE SENSOR HIGH TEMPERATURE DETECTED |
| DTC C1B86 | DISTANCE SENSOR POWER SUPPLY CIRCUIT |
| DTC C1F01 | ACCELERATOR PEDAL ACTUATOR MOTOR MALFUNCTION |
| DTC C1F02 | ACCELERATOR PEDAL ACTUATOR INTEGRATED CONTROL UNIT MALFUNCTION |
| DTC C1F05 | ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT LOW OR HIGH VOLTAGE |
| DTC U0121 | VDC CAN CIRCUIT 2 ERROR SIGNAL |
| DTC U0126 | STEERING ANGLE SENSOR CAN CIRCUIT 1 ERROR SIGNAL |
| DTC U0235 | INTELLIGENT CRUISE CONTROL (ICC) SENSOR CAN CIRCUIT 1 ERROR SIGNAL |
| DTC U0401 | ECM CAN CIRCUIT 1 ERROR SIGNAL |
| DTC U0402 | TCM CAN CIRCUIT 1 ERROR SIGNAL |
| DTC U0415 | VDC CAN CIRCUIT 1 ERROR SIGNAL |
| DTC U0424 | HVAC CAN CIRCUIT 1 |
| DTC U0428 | STEERING ANGLE SENSOR CAN CIRCUIT 2 ERROR SIGNAL |
| DTC U1000 | CAN COMMUNICATION CIRCUIT NO SIGNAL TRANSMITTED OR RECEIVED |
| DTC U1010 | CAN CONTROLLER MALFUNCTION |
| DTC U150B | ECM CAN CIRCUIT 3 ERROR SIGNAL |
| DTC U150C | VDC CAN CIRCUIT 3 ERROR SIGNAL |
| DTC U150D | TCM CAN CIRCUIT 3 ERROR SIGNAL |
| DTC U150E | BCM CAN CIRCUIT 3 ERROR SIGNAL |
| DTC U150F | AV CONTROL UNIT CAN CIRCUIT 3 ERROR SIGNAL |
| DTC U1500 | LANE CAMERA CAN CIRCUIT 2 ERROR SIGNAL |
| DTC U1501 | LANE CAMERA CAN CIRCUIT 1 ERROR SIGNAL |
| DTC U1502 | INTELLIGENT CRUISE CONTROL (ICC) SENSOR CAN COMMUNICATION CIRCUIT ERROR SIGNAL |
| DTC U1503 | LH SIDE RADAR CAN CIRCUIT 2 ERROR SIGNAL |
| DTC U1504 | LH SIDE RADAR CAN CIRCUIT 1 ERROR SIGNAL |
| DTC U1505 | RH SIDE RADAR CAN CIRCUIT 2 ERROR SIGNAL |
| DTC U1506 | RH SIDE RADAR CAN CIRCUIT 1 ERROR SIGNAL |
| DTC U1507 | LOST COMMUNICATION WITH RH SIDE RADAR |
| DTC U1508 | LOST COMMUNICATION WITH LH SIDE RADAR |
| DTC U1512 | HVAC CAN CIRCUIT 3 ERROR SIGNAL |
| DTC U1513 | METER CAN CIRCUIT 3 ERROR SIGNAL |
| DTC U1514 | STEERING ANGLE SENSOR CAN CIRCUIT 3 ERROR SIGNAL |
| DTC U1515 | INTELLIGENT CRUISE CONTROL (ICC) SENSOR CAN CIRCUIT 3 ERROR SIGNAL |
| DTC U1516 | LANE CAMERA CAN CIRCUIT 3 ERROR SIGNAL |
| DTC U1517 | ACCELERATOR PEDAL ACTUATOR CAN CIRCUIT 3 ERROR SIGNAL |
| DTC U1518 | LH SIDE RADAR CAN CIRCUIT 3 ERROR SIGNAL |
| DTC U1519 | RH SIDE RADAR CAN CIRCUIT 3 ERROR SIGNAL |
| DTC U1521 | SONAR CONTROL UNIT CAN COMMUNICATION 2 ERROR SIGNAL |
| DTC U1522 | SONAR CONTROL UNIT CAN COMMUNICATION 1 ERROR SIGNAL |
| DTC U1523 | SONAR CONTROL UNIT CAN COMMUNICATION 3 ERROR SIGNAL |
| DTC U1524 | AROUND VIEW MONITOR (AVM) CONTROL UNIT CAN COMMUNICATION 1 ERROR SIGNAL |
| DTC U1525 | AROUND VIEW MONITOR (AVM) CONTROL UNIT CAN COMMUNICATION 3 ERROR SIGNAL |
| DTC U1530 | DRIVER ASSISTANCE BUZZER CAN CIRCUIT 1 ERROR SIGNAL |
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.
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