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P253C OBD2: PTO Sense Circuit Low

P253C OBD2: PTO Sense Circuit Low

The P253C code is an OBD-II diagnostic trouble code (DTC) that indicates a low signal from the Power Take-Off (PTO) sense circuit. The PTO system is responsible for enabling auxiliary equipment, such as dump beds or plows, to operate hydraulically using the vehicle’s transmission.

What Does the P253C Code Mean?

A P253C code means that the vehicle’s onboard diagnostic system has detected a low signal from the PTO sensor. This signal is crucial for the proper operation of PTO-driven features, and when it is low, the system will disable those features to prevent any potential damage.

What Causes the P253C Code?

Several factors can trigger the P253C code, including:

  • PTO sensor failure
  • Wiring issues affecting the PTO sensor’s signal

What Are the Symptoms of the P253C Code?

The primary symptom associated with the P253C code is the disabling of the PTO system. This means that any equipment dependent on the PTO, such as hydraulic dump beds or plows, will not function.

How Serious Is the P253C Code?

The severity of the P253C code is considered moderate. While it may not pose an immediate threat to vehicle safety or functionality, it is important to address the issue promptly to avoid more serious problems down the line.

How to Diagnose the P253C Code

To properly diagnose the P253C code, a mechanic will typically perform the following steps:

  • Use an OBD-II scanner to confirm the presence of the P253C code.
  • Inspect the PTO sensor and related wiring for any visible damage or disconnections.
  • Test the PTO sensor to ensure it is sending a plausible signal.
  • Check for any other trouble codes that may be present.

Common Repairs for the P253C Code

Repairs for the P253C code may include:

  • Replacing a faulty PTO sensor
  • Repairing or replacing damaged wiring or connectors
  • Resetting the vehicle’s onboard diagnostic system after repairs are made

How Much Does It Cost to Fix the P253C Code?

The cost to fix the P253C code can vary widely depending on the specific issue and labor rates in your area. On average, you can expect to pay anywhere from $100 to $500 for diagnosis and repairs, with sensor replacements typically falling on the lower end of that range.

Can I Fix the P253C Code Myself?

If you have experience with automotive repairs, you may be able to diagnose and fix the P253C code yourself, especially if it involves checking wiring or replacing a sensor. However, if you’re not comfortable working on your vehicle or if the issue is more complex, it’s best to seek the help of a professional mechanic.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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