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P0805 OBD2: Clutch Position Sensor Circuit

P0805 OBD2: Clutch Position Sensor Circuit

The P0805 OBD-II code refers to an issue with the Clutch Position Sensor Circuit. This sensor is crucial as it informs the engine control module (PCM) whether the clutch is engaged or not, impacting vehicle operation.

What Does the P0805 Code Mean?

The P0805 code is triggered when the PCM detects an incorrect signal from the Clutch Position Sensor. This can prevent the engine from starting, as the system may misinterpret the clutch’s state, leading to potential operational issues.

What Causes the P0805 Code?

Several factors can contribute to the P0805 code, including:

  • Clutch position sensor failure
  • Powertrain Control Module (PCM) failure
  • Wiring issues related to the sensor

What Are the Symptoms of the P0805 Code?

The primary symptom associated with the P0805 code is that the engine may not start. This can be frustrating for drivers and may require immediate attention.

How Serious Is the P0805 Code?

The P0805 code is classified as urgent, indicating that immediate action is necessary. Ignoring this code can lead to severe damage to the vehicle or pose safety risks to the driver and passengers.

How to Diagnose the P0805 Code

To diagnose the P0805 code, a mechanic will likely:

  • Scan the vehicle’s OBD-II system for codes
  • Inspect the Clutch Position Sensor and its wiring for damage
  • Test the sensor’s functionality
  • Check the PCM for any faults

Common Repairs for the P0805 Code

Common repairs that may be recommended for the P0805 code include:

  • Replacing the Clutch Position Sensor
  • Repairing or replacing damaged wiring
  • Replacing or reprogramming the Powertrain Control Module (PCM)

How Much Does It Cost to Fix the P0805 Code?

The cost to fix the P0805 code can vary widely depending on the specific repair needed. On average, you might expect to pay between $100 and $500, depending on labor rates and parts costs in your area.

Can I Fix the P0805 Code Myself?

While some DIY mechanics may be able to replace the Clutch Position Sensor or repair wiring issues, it is important to ensure a proper diagnosis is performed. Misdiagnosis can lead to unnecessary repairs and expenses. If unsure, consulting with a professional is recommended.

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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