What does the OBD-II code p0161 mean?
Share it! What Does P0161 Code Mean? OBD-II Code P0161 is defined as a Oxygen Sensor Heater Circuit Malfunction (Bank 2, Sensor 2) The rear Oxygen Sensor is located in the exhaust system behind the catalytic converter (s).
What does p0161 mean on a ho2s heater?
P0161 is a diagnostic trouble code (DTC) for “HO2S Heater Circuit Malfunction (Bank 2 Sensor 2)”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.
What does DTC p0101 mean on a car?
DTC p0101 is a mass airflow circuit range/performance fault. This code is stating that there is an error within the mass airflow sensor circuit. Essentially, your vehicle’s PCM (powertrain control module) has detected that the input that it has been given by the mass airflow sensor is incorrect.
When does the PCM set the p0161 code?
When you start the engine the PCM monitors the HO2S voltage. When the HO2S voltage goes above or below the bias range threshold, the PCM determines how much time it took. If the PCM detects that the process took too much time for the HO2S to enter into normal operating range, the P0161 code will set.
How to troubleshoot p0135, p0141, and p0161 DTCs?
Troubleshooting DTCs P0135, P0141, P0155, P0161 is not hard and in this tutorial, we’ll look at some of the basics you need to know and what tests you need (to solve the oxygen sensor problem these diagnostic trouble codes indicate).
What does the DTC p0135 mean on an oxygen sensor?
Each one of these diagnostic trouble codes (DTCs) ( P0135, P0141, P0155, P0161) indicate a problem with the oxygen sensor’s internal heater element and from personal experience I can tell you that diagnosing them is not hard. Let’s get started.
Where to find check engine light code on Toyota?
When retrieving Toyota check engine light codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2. Turn the ignition on. 3.