Categories: Auto Repair

How to Repair Lexus GS-F & RC-F Abnormal Noise from Low Pressure Fuel Pump

Some 2015 – 2016 model year RC F and 2016 GS F vehicles may exhibit an abnormal buzzing noise condition from the low pressure fuel pump. The Engine Control Module (ECM) logic has been modified to reduce the possibility of this condition. Please follow the Repair Procedure below to address this condition.More about Lexus repair,please check:Lexus Trouble Repair

Note:This repair is covered under the Lexus Federal Emission Warranty. This warrantyis in effect for 96 months or 80,000 miles, whichever occurs first, from the vehicle’sin-service date.

Parts Information:

Note:The ECM (PCM) should NOT be replaced as part of the Repair Procedure.

 

Repair Procedure

1.Confirm the condition.If the noise is NOT originating from the low pressure fuel pump, disregard this Service Bulletin and continue diagnosis per the Repair Manual.

2.Using Techstream, confirm calibration ID. If the calibration ID listed IS the latest ECM (PCM) calibration, disregard this Service Bulletin and continue diagnosis per the Repair Manual.

3.Check for the Authorized Modifications Label affixed to the vehicle in the location shown below. Confirm if the ECM (PCM) calibration has been updated. If the calibration ID listed is NOT the latest ECM (PCM) calibration – go to step 4. If the calibration ID listed IS the latest ECM (PCM) calibration, disregard this Service Bulletin and continue diagnosis per the Repair Manual.

 

4.Flash reprogram the ECM (PCM).

NOTE:DTCs may set during software update. If DTCs set, please clear the codes at the completion of the update. If DTCs remain after clearing, please perform a 12V battery reset on the vehicle.

 

5.Install the Authorized Modifications Label.

A.Using a permanent marker, enter the following information on the label:

  • ECM part number [Refer to the Parts Information section for the NEW PART NUMBER]
  • Calibration ID(s) [Refer to the Calibration Information section for the NEW CALIBRATION ID]
  • Dealer Code
  • Repair Date
  • Change Authority [This bulletin number]

B.Affix the Authorized Modifications Label to the vehicle at the location shown.

6.Test drive the vehicle to confirm the noise is no longer present.

auto

Recent Posts

How to Solve Allison 3000 & 4000 Gen5 Engine Trouble Code P0703

This instruction show you guide on how to solve Allison 3000 & 4000 Gen5 engine…

2 days ago

How to Solve Fendt MT1149 Tractor SCR System Emptying Not Completed

Here is the illustration show you guide on how to solve Fendt MT1149 tractor SCR…

1 week ago

How to Set Play Between Timing Pinion Teeth for CLAAS AXION 920 Tractor?

Here is the instruction show you guide on how to set play between timing pinion…

1 week ago

Perkins 1106D Generation Injector Data Incorrect Test Guide

Perkins 1106D Generation Injector Data Incorrect Test Guide   Preparations: Perkins EST 2024A & 2023A…

1 week ago

How to Solve Deutz EMR3 Engine Error 16/108/APSCD Trouble

This instruction show you guide on how to solve Deutz EMR3 engine error 16/108/APSCD trouble…

2 weeks ago

Kubota L4701 High Pressure Relief Valve Pressure Checking

Here show guide on how to check high pressure relief valve pressure for Kubota L4701…

2 weeks ago