× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0051 Diagnostic Trouble Code Discussion for February 2019

Air Fuel Sensor (Bank 2 Sensor 1) Heater Control Circuit Low Voltage


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0051
Help Request Posted
2014 Toyota Avalon XLE 3.5L MIL Lamp on VIN: 4T1BK1EB3E
P0051: A/F sensor heater control low B2S1. ... grille and left front fender. Repairs look very professionally done. grounds ok. Using TIS tech stream, p0031,p0051. These code are in permanent mode, will not clear. scan data shows mA of A/F heaters at 00 mA. appears ...
February 04, 2019