Helpful Automotive Resources
November 10, 2020 Code P1135 Toyota: A Case StudyP1135 stands for A/F Sensor Heater Circuit (Bank 1, Sensor 1). The code indicates that the engine control module (ECM) has detected a problem with the air-fuel ratio sensor 1 heater circuit on bank 1.
What is an A/F Ratio Sensor? November 10, 2020 P013A Code: O2 Sensor Slow Response – Rich to Lean (Bank 1 Sensor 2)Diagnostic trouble code (DTC) P013A stands for “O2 Sensor Slow Response – Rich to Lean (Bank 1 Sensor 2).” It is logged once the PCM perceives that the post-catalytic converter oxygen sensor (Sensor 2) in Bank 1 is responding slowly. Bank 1 refers to the side of the engine that November 10, 2020 P0129 Code: Barometric Pressure Too LowDiagnostic trouble code (DTC) P0129 stands for “Barometric Pressure Too Low.” It is logged once the powertrain control module (PCM) perceives a low pressure (below manufacturer-specified limit) reading from either the MAP or BARO sensor.
P0129 code may register if the PCM perceives a low pressure (below manufacturer-specified limit) reading