P0132 Jeep Cherokee Error Code → Meaning & Fix

Seeing a P0132 OBDII error code is common in many vehicles, including a Jeep Cherokee. This code is listed as Oxygen Sensor at High Voltage (Bank # & Sensor #). The code can indicate one of a few different problems:

1. An oxygen sensor has gone bad
2. The wrong O2 sensor has been installed
3. Damaged wiring harness running to the O2 sensors
4. Damage to the O2 sensor terminal

These problems are all easily fixable by you with a little research and replacement parts.

Symptoms of Code P0132 in a Jeep Cherokee

The symptoms of a Code P0132 can come on slowly rather than all at once. This can make it harder to connect the symptoms together and think there’s a single cause. Things you might notice if your Jeep Cherokee has a P0132 code include:

• Service Engine Light Coming On
• Poor & Worsening Miles Per Gallon
• Strange Exhaust Odors
• Engine Running Poorly

Causes of Code P0132 in a Jeep Cherokee

The causes of a Code P0123 are all related to the function of the O2 sensors. The code indicates there is some problem with the O2 sensors. While the most likely answer is that the O2 sensors have gone bad there are several possible causes to consider.

• O2 sensor has gone bad or malfunctioned – The most common cause of a P0123 Code. O2 sensors need to be replaced at around 60,000 to 90,000 miles, but they could go bad faster. While this is the most common cause of the code, jumping straight to replacing the sensors is not a good idea. Take a look at the other possible causes to avoid tossing out perfectly good O2 sensors.
• Incorrect O2 sensors are installed – This cause is only possible if the O2 sensors have been replaced recently and the wrong type was installed.
• Wiring harness to and from the O2 sensor is damaged – Wires are prone to becoming damaged and the wire harness around the O2 sensors is no different. This is something to check before replacing your O2 sensors.
• Damage to the O2 sensor terminal – The terminal where the sensors are mounted might have become damaged.

Possible Solutions

Luckily you have a couple of possible solutions in this situation. Don’t fret, it’s not as bad as it seems!

Replace the O2 Sensors

The easiest and most common solution is to replace the O2 sensors. New sensors are available on Amazon relatively inexpensively. Whether they have gone bad or they are the wrong type, new O2 sensors should fix the problem. Replacing the sensors is easy enough, even a novice.

Replace Damaged Hardware

If the terminal or wires are damaged, they will need to be replaced. Replacement parts can be purchased at your local auto store or on Amazon for less than $50.

Conclusion

A P0123 error code indicates that there is a problem with the O2 sensors on your Jeep Cherokee. It is important to examine the sensors, the wires, and the terminal for damage before replacing any parts to avoid making more work for yourself. Replacement parts are inexpensive and the repairs are easy enough for a novice to handle. There are many detailed and easy to understand walkthroughs on YouTube to help make the repairs yourself. A P0123 error code probably won’t require you to take your vehicle into the shop for repairs if you are willing to do the work yourself.

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