AutoCodesGMC – P0807 2014 GMC Sierra

P0807 2014 GMC Sierra Code - Clutch Pedal Position Sensor Circuit Low Voltage

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
P0807 2014 GMC Sierra indicates Clutch Pedal Position Sensor Circuit Low Voltage.
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 169
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 P0807 2014 GMC Sierra 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 voltage is less than 0.1 V for more than 1 s.
OBDII Code P0807 2014 GMC Sierra - Clutch Pedal Position Sensor Circuit Low Voltage - AutoCodes.com
P0807 2014 GMC Sierra Code - Clutch Pedal Position Sensor Circuit Low Voltage

What are the Possible Causes of the DTC P0807 2014 GMC Sierra?

  • 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 P0807 2014 GMC Sierra?

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 P0807 2014 GMC Sierra 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 P0807 2014 GMC Sierra code?

Need more information on how to fix the P0807 2014 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the 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 P0807 2014 GMC Sierra Code

1. What are the common symptoms of OBDII code P0807 in a 2014 GMC Sierra related to the Clutch Pedal Position Sensor Circuit Low Voltage?

- Common symptoms include difficulty shifting gears, the clutch pedal feeling soft or spongy, and the vehicle may not start.

2. What are the possible causes of OBDII code P0807 in a 2014 GMC Sierra?

- Possible causes include a faulty clutch pedal position sensor, damaged wiring or connectors in the sensor circuit, or a low voltage issue in the sensor circuit.

3. How can I diagnose the Clutch Pedal Position Sensor Circuit Low Voltage issue in my 2014 GMC Sierra?

- Use a diagnostic scanner to retrieve the OBDII trouble code P0807, inspect the clutch pedal position sensor and its wiring for damage, and test the sensor's voltage output.

4. Can I continue driving my 2014 GMC Sierra with OBDII code P0807 present?

- It is not recommended to continue driving with this code as it can lead to further damage to the transmission or clutch system.

5. How can I repair the Clutch Pedal Position Sensor Circuit Low Voltage issue in my 2014 GMC Sierra?

- Repair options include replacing the faulty clutch pedal position sensor, repairing or replacing damaged wiring or connectors, and resetting the trouble code with a diagnostic scanner.

6. Will resetting the OBDII code P0807 in my 2014 GMC Sierra fix the issue?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the low voltage in the clutch pedal position sensor circuit is not addressed, the code is likely to return.

7. Is it possible to prevent OBDII code P0807 from occurring in my 2014 GMC Sierra?

- Regular maintenance and inspection of the clutch pedal position sensor and its circuit can help prevent issues leading to code P0807. Ensure proper installation and secure connections during sensor replacement.

8. Can a DIY enthusiast fix OBDII code P0807 in a 2014 GMC Sierra?

- Depending on the individual's skill level and experience with automotive repairs, it may be possible to diagnose and repair the issue related to the Clutch Pedal Position Sensor Circuit Low Voltage. However, professional assistance is recommended for accurate diagnosis and proper repair.

9. How much does it typically cost to repair OBDII code P0807 in a 2014 GMC Sierra at a mechanic or dealership?

- The cost of repairing OBDII code P0807 can vary depending on the cause of the issue, the labor rates of the service provider, and the cost of parts. It is advisable to obtain quotes from different mechanics or dealerships for an accurate estimate.

10. Are there any recalls or technical service bulletins related to OBDII code P0807 in a 2014 GMC Sierra?

- It is recommended to check with a GMC dealership or visit the National Highway Traffic Safety Administration (NHTSA) website to see if there are any recalls or technical service bulletins related to OBDII code P0807 in a 2014 GMC Sierra.

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