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.
2018 Infiniti QX30 BaseFACTORY OEM SERVICE PROCEDURE
Driver Assistance System DTCS
DRIVER ASSISTANCE SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B1EB0 | LANE KEEPING ASSIST HAS A MALFUNCTION |
| B1F72 | HEATED STEERING WHEEL OUTPUT SIG |
| B210A | POWER SUPPLY CIRCUIT |
| B210B | POWER SUPPLY CIRCUIT |
| B210D | SUPPLY VOLT OF CPA CONTROL UNIT IS LOW |
| B210E | CPA CONTROL UNIT PWR SUP IS NOT OK |
| B21A0 | NO-LOAD CURRENT CONSUMPTION MALF |
| B227E | MOTOR ELECTRONICS OVER TEMP |
| B2286 | CALIBRATION |
| B229B | MULTIFUNCTION CAMERA HAS MALF |
| B23A8 | OUTPUT FOR WINDOW HEATING HAS MALF |
| B2808 | THE OUTPUT FOR THE WARNING LAMP BLIND SPOT ASSIST HAS A MALFUNCTION |
| B280C | THE OUTPUT FOR THE INDICATOR LAMP BLIND SPOT ASSIST HAS A MALFUNCTION |
| C1101 | RADAR SENSOR 5 HAS A MALFUNCTION |
| C1111 | RADAR SENSOR 5 IS DISRUPTED |
| P1644 | CHECK CODINGS IN ELECTRONIC IGN LOCK |
| P1805 | HARDWARE MONITOR DETECTED MALF |
| U0010 | COMMUNICATION WITH CAN HAS MALF |
| U0100 | LOST COMMUNICATION WITH ECM/PCM A |
| U0122 | LOST COMMUNICATION WITH VDCM |
| U0141 | COMMUNICATION ERROR |
| U0142 | LOST COMMUNICATION WITH BCM B |
| U0146 | COMMUNICATION ERROR (LOST) |
| U0155 | LOST COMMUNICATION WITH IPCCM |
| U0168 | LOST COMMUNICATION WITH VSCM |
| U0212 | LOST COMMUNICATION WITH SCCM |
| U0252 | LOST COMMUNICATION WITH LCM REAR B |
| U0401 | INVALID DATA RECEIVED FROM ECM/PCM A |
| U0402 | INVALID DATA RECEIVED FROM TCM |
| U0416 | INVALID DATA RECEIVED FROM VDCM |
| U0423 | INVALID DATA RECEIVED FROM IPCCM |
| U0427 | CHECK CODINGS IN ELECTRONIC IGN LOCK |
| U0429 | INVALID DATA RECEIVED FROM SCCM |
| U0504 | COMMUNICATION ERROR |
| U0505 | COMMUNICATION ERROR |
| U1043 | CHASSIS CAN BUS OFF MALFUNCTION |
| U120B | COMMUNICATION ERROR |
| U140D | WHEEL SPEED SIGNAL IS IMPLAUSIBLE |
| U1427 | IMPLAUSIBLE DATA RECEIVED FROM AUDIO |
| U144E | COMMUNICATION ERROR |
| U1459 | IMPLAUSIBLE DATA RECEIVED FROM H/L |
| U1502 | RADAR SENSOR 8 COMM HAS MALFUNCTION |
| U1503 | RADAR SENSOR 8 COMM HAS MALFUNCTION |
| U1504 | RADAR SENSOR 8 COMM HAS MALFUNCTION |
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.