B0477 Trouble Code

View B0477 obd/2 error code description and symptoms. B0477 engine photo

Low Speed Fuel Pump Primary Circuit Malfunction The PCM monitors the low speed fuel pump (LFP) primary circuit output from the PCM.
The test fails if: When the LFP circuit is commanded on (grounded), excessive current draw is detected on the LFP circuit; or when the LFP circuit is commanded off, voltage is not detected on the LFP circuit (the PCM expects to detect VPWR voltage coming through the low speed fuel pump relay coil to the LFP circuit). Open or shorted low fuel pump (LFP) circuit Open VPWR to low speed fuel pump relay Damaged low speed fuel pump relay Damaged PCM An open circuit or short to ground can only be detected with the low speed fuel pump.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code B0477, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code B0477 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

Difficulty Level (Soso)
Level
Repair Time (50 Min.)
Time
Cost Prediction : $ 30-110

B0477 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B0477 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If rotor calibration fault so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the rotor calibration fault.

Wrench Tool B0477 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

Common Causes of B0477

A common cause of code B0477 is the failure of Rotor Calibration Fault, but there are several other possible causes as well, such as ;

B0477 code for all cars

You can view according B0477 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B0477 Audi Ad +B0477 Zaz Tavrija +B0477 Jowett 7 +B0477 Subaru Outback 3 +B0477 Austin A135

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

About Us | Contact | Privacy

Copyright 2017 © All rights reserved