What can cause a P0161 code?
Common Problems that Trigger the P0161 Code
- Defective Oxygen Sensor.
- Defective Oxygen Sensor Heater circuit.
- Defective sensor wiring and/or circuit problem.
- PCM software needs to be updated.
- Defective PCM.
Which side is Bank 1 on a Jeep Grand Cherokee?
Which side is Bank 1 on a Jeep Grand Cherokee? To make things more clear, bank 1 is on the right side of the engine as viewed from behind, and bank 2 is on the left side of the engine as viewed from behind.
What side is Bank 2 on a Jeep?
To make things more clear, bank 1 is on the right side of the engine as viewed from behind, and bank 2 is on the left side of the engine as viewed from behind.
What causes the p0161 code on a Jeep Grand Cherokee?
P0161 is a very common OBDII code that occurs in the Jeep Grand Cherokee. It is typically caused by a failure in one of the elements that heat the oxygen sensors, specifically bank 2 sensor 2. Replacing the Oxygen sensor will fix the problem a majority of the time. Some of the other causes of P0161 are listed below.
What does DTC code p0161 stand for?
Code P0161 occurs when the powertrain control module tests the downstream heated oxygen sensor’s heater circuit on Bank 2 and detects a short in the circuit or excessive resistance in the heater circuit. This Diagnostic Trouble Code (DTC) does not need to be attended to immediately, but this DTC could result in more costly repairs in the future.
What is the OBDII code on a Jeep Grand Cherokee?
P0161 is a very common OBDII code that occurs in the Jeep Grand Cherokee.
Why does my Jeep Grand Cherokee have a heated O2 sensor?
The purpose of the heated element in the oxygen sensor is to quickly bring it up to normal operating temperature after your Grand Cherokee has been started. When it goes bad, it is more difficult for the engine to get the air fuel mixture right. Typically, the only symptom of P0161 is going to be the service engine soon light.
