P0808 2014 GMC Sierra Code - Clutch Pedal Position Sensor Circuit High Voltage
Quick Answer
The P0808 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates a problem with the clutch pedal position sensor circuit registering high voltage. Common causes include Faulty clutch pedal position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connections in the sensor circuit. 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
- P0808 2014 GMC Sierra indicates Clutch Pedal Position Sensor Circuit High Voltage.
- Common causes
- Common causes include Faulty clutch pedal position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connections in the sensor circuit.
- 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 P0808 2014 GMC Sierra Description
The P0808 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates a problem with the clutch pedal position sensor circuit registering high voltage. The clutch pedal position sensor is responsible for detecting the position of the clutch pedal and sending this information to the engine control module (ECM) to assist in determining the proper fuel and ignition timing. When the sensor circuit reports high voltage, it means that the signal being sent is outside of the expected range, which can lead to issues with the vehicle's performance.
Common Causes of P0808 2014 GMC Sierra
- Faulty clutch pedal position sensor
- Damaged wiring or connectors in the sensor circuit
- Corrosion or poor connections in the sensor circuit
- Malfunctioning ECM
- Electrical issues such as a short circuit or open circuit
Symptoms of P0808 2014 GMC Sierra
- Difficulty shifting gears
- Stalling when engaging the clutch
- Poor fuel efficiency
- Rough idling
- Check Engine Light illuminated
How to Fix P0808 2014 GMC Sierra
- Begin by diagnosing the specific cause of the high voltage reading using a scan tool to retrieve the DTC and inspecting the clutch pedal position sensor, wiring, and connectors.
- Replace the faulty clutch pedal position sensor if it is determined to be the cause of the issue.
- Repair or replace any damaged wiring or connectors in the sensor circuit.
- Clear the DTC from the ECM's memory and perform a test drive to ensure the issue has been resolved.
- If the problem persists, further diagnostics may be necessary to identify any underlying electrical issues or ECM malfunctions.
Cost to Fix P0808 2014 GMC Sierra
The typical repair costs for addressing a P0808 code on a 2014 GMC Sierra can range from $150 to $400, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops often offer lower rates. For a more accurate estimate, it's advisable to check local rates before proceeding with the repair.
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