2018 Infiniti QX30 BaseFACTORY OEM SERVICE PROCEDURE

DTC Index

DTC*

Items

(CONSULT screen terms)

Reference

U0100

Communication error

DTC Description

U0155

COMMUNICATION ERROR (LOST)

DTC Description

U0401

Communication error (invalid)

DTC Description

B210D

Power supply

DTC Description

B210E

Power supply

DTC Description

P0087

FUEL RAIL/SYSTEM PRESSURE

DTC Description

P0627

FUEL PUMP A CONTROL

DTC Description

P0628

FUEL PUMP A CONTROL

DTC Description

P0629

FUEL PUMP A CONTROL

DTC Description

P062A

FUEL PUMP A CONTROL

DTC Description

P0A7C

MOTOR ELECTRONICS OVER TEMP

DTC Description

P1240

CAN BUS

DTC Description

P1611

FUEL PUMP

DTC Description

P162A

CONTROL UNIT "FUEL PUMP"

DTC Description

P2539

LOW PRESS FUEL SYSTEM SENSOR

DTC Description

P2540

LOW PRESS FUEL SYSTEM SENSOR

DTC Description

P2541

LOW PRESS FUEL SYSTEM SENSOR

DTC Description

P2542

LOW PRESS FUEL SYSTEM SENSOR

DTC Description

*: This number is prescribed by SAE J2012/ISO 15031-6.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.