What is the P0808 fault description? What is the Clutch Position Sensor Circuit High fault code? How do I fix the P0808 fault code What are the causes and symptoms of the P0808 error code?
What is the P0808 Fault code? What does it all mean?
Your vehicle’s computer may have stored the fault code P0808 indicating that the clutch pedal position sensor, or circuit, is defective. This code is valid only for vehicles with manual transmission. The code is invalid if it is used on an automatic transmission vehicle. This code means the voltage signal coming from the clutch pedal position sensor doesn’t conform to the specifications set by the automaker.
The clutch position sensor acts as a secondary safety measure to stop the engine starting when the vehicle’s in gear. It is usually a toggle switch, which closes when the clutch pedal has been depressed and opens when it’s released. These switches are typically mounted on the bracket of the clutch pedal, but their design can vary depending on make and model. The switch’s one side has a constant voltage. The contacts within the switch contact the starter motor and starter solenoid when the clutch pedal is pressed. This completes the circuit that allows for the engine to start. This circuit and switch prevent the engine from being started by depressing the clutch pedal even when the vehicle has been in neutral.
Some vehicles have the transmission control module (TCM), while others have it integrated with the engine control (ECM/ECU). The PCM (powertrain control modules) is the combination of these two modules.
The PCM performs various calculations, receiving signals from the transmission output speed sensor and transmission input speed sensor. If the PCM/TCM detects a voltage or resistance higher than expected in the clutch position sensor circuit, a code P0808 will be set.
The P0808 fault code can be applied to vehicles of all makes and models, including but not limited to: Mazda, Peugeot Opel, Fiat Jeep, Peugeot. Jeep, Peugeot. Peugeot. Peugeot. Peugeot. Peugeot. Peugeot. Peugeot. Chevrolet. Smart. Mercedes.
What causes the P0808 Fault code?
Below are some reasons to set fault code P0808:
- – Sensor for clutch pedal position sensor defective
- – Sensor for clutch pedal position sensor not correctly adjusted
- – Short circuit, open, or damaged wires to sensors.
- – If applicable, blown fuse or fusible connection
- – TCM / PCM that is not working or has to be reprogrammed (rarely).
What are the symptoms for the P0808 fault code?
These symptoms may be present if you own a vehicle that has the code “P0808”:
- – Illumination at the check engine lights
- – The transmission warning light is on
- – The vehicle may not turn on at all
- – The clutch pedal can be depressed to start the car
- – Increase or decrease engine speed when clutch is depressed
How to Fix the P0808 Fault Code
Your mechanic should first check the setting of your clutch position sensor when diagnosing this code. If the sensor was replaced recently, this could have caused this code. You should have your mechanic inspect the connections to the clutch position sensor circuit for corrosion and repair any damaged or missing wires. The input and output voltages of the sensor must be checked. If the voltage signal is on only one side of the sensor, it means that the sensor was not correctly inserted. If voltage is present on both sides, it is likely that the problem lies in the wiring harness or connectors. In rare cases, the PCM may have to be replaced.
This code is most commonly re-done by making mistakes like replacing the starter, solenoid, and relay. While it might seem that there is something wrong with the starter motor or starter solenoid, this will not fix it.
There are several repairs that can resolve the P0808 fault code.
- – Replacing a defective clutch pedal position sensor
- – Recalibration of the clutch pedal position sensor
- – Repairing or replacing damaged or fused wires from the sensor.
- – Replacing or cleaning loose, rusty or corroded connectors
- – Replace a blown fuse/fuse link (if applicable).
- – Replacement of or reprogramming PCM/TCM
How Serious Is the P0808 Fault Coding?
The severity of your symptoms will determine the severity of the P0808 codes. Some cases may not show any symptoms, but the check engine lamp will turn on in some cases. If the problem is more severe, your vehicle might not start. This can cause your vehicle to not start. It is important that you fix the problem as soon as possible.
