MG
Moderator
REVISION NOTICE:
January 23, 2020 Rev1: The Parts Information, Calibration Information, and Repair Procedure sections have been updated.
SUPERSESSION NOTICE:
The information contained in this bulletin supersedes Service Bulletin No. T-SB-0058-13. Service Bulletin No. T-SB-0058-13 is obsolete and any printed versions should be discarded.
Some 2009 – 2018 model year Sequoia and 2009 – 2019 model year Tundra vehicles equipped with a 3UR-FBE engine may exhibit a hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs):
DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank 2)
DTC P0172 and/or P0175 (System Too Rich Bank 1/Bank 2)
DTC P1604 (Startability Malfunction)
Techstream data list analysis may reveal negative fuel trims and an elevated alcohol density estimate relative to the vehicle’s actual fuel alcohol content. Follow the Repair Procedure in bulletin T-SB-0166-19 Rev1 to address these conditions.
The fix is to Reprogram Engine ECM (PCM), R & R Fuel Pump, Reset Fuel Alcohol Learn Value, and Add Fuel
APPLICABLE WARRANTY
This repair is covered under the Toyota Federal Emission Warranty. This warranty is in effect for 96 months or 80,000 miles, whichever occurs first, from the vehicle’s in-service date.
January 23, 2020 Rev1: The Parts Information, Calibration Information, and Repair Procedure sections have been updated.
SUPERSESSION NOTICE:
The information contained in this bulletin supersedes Service Bulletin No. T-SB-0058-13. Service Bulletin No. T-SB-0058-13 is obsolete and any printed versions should be discarded.
Some 2009 – 2018 model year Sequoia and 2009 – 2019 model year Tundra vehicles equipped with a 3UR-FBE engine may exhibit a hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs):
DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank 2)
DTC P0172 and/or P0175 (System Too Rich Bank 1/Bank 2)
DTC P1604 (Startability Malfunction)
Techstream data list analysis may reveal negative fuel trims and an elevated alcohol density estimate relative to the vehicle’s actual fuel alcohol content. Follow the Repair Procedure in bulletin T-SB-0166-19 Rev1 to address these conditions.
The fix is to Reprogram Engine ECM (PCM), R & R Fuel Pump, Reset Fuel Alcohol Learn Value, and Add Fuel
APPLICABLE WARRANTY
This repair is covered under the Toyota Federal Emission Warranty. This warranty is in effect for 96 months or 80,000 miles, whichever occurs first, from the vehicle’s in-service date.