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P2238 Diagnostic Trouble Code Discussion for October 2020

Air Fuel Sensor (Bank 1 Sensor 1) I/P Line Low Voltage

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Trouble Ticket Help Requests for DTC P2238
Help Request Posted
2012 Toyota Tacoma 2.7L MIL Lamp on VIN: 5TFNX4CN8C
P2238: Oxygen A/F Sensor Pumping Current Circuit Low Bank 1 Sensor 1. ... catalytic converter was cut off (stolen) during the night. The A/F sensor and B1S2 wiring was also cut on the sensor side, not on the vehicle harness side. Replaced catalytic converter and both sensors. This is a fleet vehicle and a total of four of t...
October 06, 2020