How do I read the codes on my Jeep Cherokee?

Begin by putting the key in the ignition. Press and hold down the odometer reset button, turn the key to the run position, then release the reset button. The odometer display will cycle through the digits 1-9, then display the vehicle’s serial number. The full trouble code will then display.

How do I find the code for my Jeep Cherokee?

You can unlock the radio in your Jeep Cherokee instantly from the fourteen digit serial number beginning with T. You will find the serial number printed on a label or engraved into the casing of the radio. Most Jeep Radio Codes display on your screen instantly.

What is OBD II codes?

An OBD II error code PO171 means that the oxygen sensor located in bank one is producing too much oxygen in the car’s exhaust system. Additionally, this error code indicates that the powertrain and engine control module are unable to regulate the proper ratio of fuel to air. This diagnostic trouble code is a common OBD II powertrain code.

How do you read OBDII Codes?

Turn the ignition key “On” and “Off” without cranking the engine. How many times you do this depends on your particular vehicle.

What does OBD code P0300 mean?

OBD-ii Code P0300 definition: Basically this means that the the car’s computer has detected that not all of the engine’s cylinders are firing properly. A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring.

What is OBD and OBD?

On-board diagnostics (OBD) is an automotive term referring to a vehicle’s self-diagnostic and reporting capability. OBD systems give the vehicle owner or repair technician access to the status of the various vehicle sub-systems.