AutoCodesBuick – P0806 Buick

P0806 Buick Code - Clutch Pedal Position Sensor Performance

Quick Answer

The Clutch Pedal Position (CPP) sensor is a three-wire sensor, connected to a 5 V reference circuit, a low reference circuit, and a signal circuit. Common causes include Faulty Clutch Pedal Position (CPP) Sensor, Clutch Pedal Position Sensor harness is open or shorted, Clutch Pedal Position Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0806 Buick indicates Clutch Pedal Position Sensor Performance.
Common causes
Common causes include Faulty Clutch Pedal Position (CPP) Sensor, Clutch Pedal Position Sensor harness is open or shorted, Clutch Pedal Position Sensor circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 429
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 02, 2022
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Code P0806 Buick Description

The Clutch Pedal Position (CPP) sensor is a three-wire sensor, connected to a 5 V reference circuit, a low reference circuit, and a signal circuit. The Engine Control Module (ECM) supplies 5 V to the CPP sensor and also provides a sensor ground path on the low reference circuit. The CPP sensor sends a voltage signal to the ECM on the signal circuit. The voltage on the signal circuit will vary from a voltage near 4 V when the clutch pedal is released, to a voltage near 1 V when the clutch pedal is applied. The Diagnostic Trouble Code (DTC) will be set if the CPP sensor is stuck in a range.
OBDII Code P0806 Buick - Clutch Pedal Position Sensor Performance - AutoCodes.com
P0806 Buick Code - Clutch Pedal Position Sensor Performance

What are the Possible Causes of the DTC P0806 Buick?

  • Faulty Clutch Pedal Position (CPP) Sensor
  • Clutch Pedal Position Sensor harness is open or shorted
  • Clutch Pedal Position Sensor circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0806 Buick?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0806 Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0806 Buick code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0806 Buick Code

1. What are the common symptoms of OBDII code P0806 related to the clutch pedal position sensor?

- Common symptoms include difficulty shifting gears, stalling when trying to engage the clutch, and the inability to start the vehicle.

2. What causes the OBDII code P0806 related to the clutch pedal position sensor?

- The code is typically triggered by a faulty or misadjusted clutch pedal position sensor, wiring issues, or a problem with the sensor circuit.

3. How can I diagnose the issue causing OBDII code P0806 on my Buick?

- To diagnose the issue, you can start by checking the clutch pedal position sensor for proper adjustment and functionality. Inspect the wiring and connectors for any damage or loose connections.

4. Can I drive my Buick with OBDII code P0806 present?

- It is not recommended to drive your Buick with this code present, as it can lead to further damage to the transmission or clutch system.

5. How can I repair OBDII code P0806 on my Buick?

- Repairing the issue may involve adjusting or replacing the clutch pedal position sensor, repairing any damaged wiring or connectors, and clearing the code with an OBDII scanner.

6. Is it possible to reset OBDII code P0806 without fixing the underlying issue?

- While you can clear the code temporarily with an OBDII scanner, it is crucial to address the root cause to prevent the code from reoccurring.

7. Can a DIY enthusiast fix OBDII code P0806 on a Buick?

- Depending on your skill level and access to tools, a DIY enthusiast may be able to address the issue by following repair guides and using the necessary equipment.

8. How much does it typically cost to repair OBDII code P0806 on a Buick at a mechanic?

- The cost of repairing this code can vary depending on the labor rates and parts needed, but it may range from $100 to $300 or more at a mechanic.

9. Will OBDII code P0806 cause my Buick to fail an emissions test?

- Yes, this code can cause your Buick to fail an emissions test, as it indicates a malfunction in the clutch pedal position sensor system, which can impact the vehicle's overall performance.

10. How long does it take to repair OBDII code P0806 on a Buick?

- The repair time can vary based on the extent of the issue and the availability of parts, but it typically takes a few hours to a full day to address this code.

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