What is an OBD2 code?

An OBD2 (On-Board Diagnostics) code is a diagnostic trouble code (DTC) generated by your vehicle's computer system when it detects a problem. These codes help identify specific issues with your vehicle's engine, transmission, emissions, or other systems.

How do I read OBD2 codes?

To read OBD2 codes, you'll need an OBD2 scanner. Plug it into your vehicle's OBD2 port (usually located under the dashboard), turn your key to the 'ON' position, and follow your scanner's instructions to retrieve the codes. Each code starts with a letter (P, B, C, or U) followed by four numbers.

What do the different types of OBD2 codes mean?

OBD2 codes are categorized by their first letter: P (Powertrain) for engine and transmission issues, B (Body) for interior systems like airbags, C (Chassis) for mechanical systems like brakes, and U (Network) for computer and module communication problems.

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Home » OBD2 Codes » P0807

Code P0807

Symptoms

• Check Engine Light is on

• Difficulty in shifting gears

• Clutch pedal feels unusual

Common Causes

• Faulty clutch position sensor

• Damaged wiring or connectors

• Faulty PCM

Glossary

PCM: Powertrain Control Module

OBD-II: On-Board Diagnostics, Second Generation

Related Codes

• P0806

• P0808

Official description

Clutch Position Sensor A Circuit Low

Laymans terms

This code means that the car's computer is having trouble reading the position of the clutch pedal. It's like when you can't tell if a light switch is on or off.

Explanation

The P0807 code is triggered when the Powertrain Control Module (PCM) detects a low voltage signal from the clutch position sensor, indicating an issue with the sensor or its circuit.

Technical description

The clutch position sensor monitors the position of the clutch pedal and sends this information to the PCM. A 'Circuit Low' condition indicates that the voltage signal from the sensor is below the expected range, suggesting a possible fault in the sensor, wiring, or connections.

Diagnosis steps

• Use an OBD-II scanner to confirm the code.

• Inspect the clutch position sensor and its wiring for damage.

• Test the sensor's voltage and resistance.

Repair procedures

• Replace the clutch position sensor if faulty.

• Repair or replace damaged wiring or connectors.

• Reprogram or replace the PCM if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Screwdriver set

Estimated repair cost

$100 - $300

Difficulty level

Moderate

Commonly affected vehicles

• Ford Focus

• Honda Civic

• Toyota Corolla

Preventive measures

• Regularly inspect clutch components.

• Ensure proper maintenance of electrical systems.

• Avoid harsh driving that could damage the clutch.

Error code type

Sensor Issue

User experience recommendations

• Avoid driving until the issue is diagnosed.

• Consult a professional mechanic for repair.

Warranty information

Check vehicle warranty for coverage on sensor and electrical components.

Historical data

This code has been commonly reported in vehicles with manual transmissions, often due to wear and tear or electrical issues.

Urgency level

Moderate – It is recommended to address this issue soon to avoid potential driving difficulties.

Legal and safety notice

Driving with a faulty clutch position sensor may lead to unsafe driving conditions. Address the issue promptly.

Testing conditions

• Engine running

• Clutch pedal operation

Component location

The clutch position sensor is typically located near the clutch pedal assembly.

FAQs

Q: What happens if I ignore the P0807 code?
A: Ignoring the code can lead to difficulty in shifting gears and potential safety issues while driving.

Q: Can I drive with a P0807 code?
A: It's not recommended as it can affect the vehicle's drivability and safety.

Last updated: Oct 7, 2025 • Source: internal database

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