Clutch Position Sensor Circuit Range/Performance
The P0806 code indicates that the Powertrain Control Module (PCM) has detected a signal from the clutch position sensor that is outside the expected range or not performing correctly. This sensor monitors the position of the clutch pedal (engaged or disengaged) and is critical for proper transmission operation, especially in manual transmissions or automated manual transmissions. A faulty sensor, wiring issues, or mechanical problems with the clutch pedal assembly can trigger this code.
01. Most Common Causes
- Faulty clutch position sensor
- Damaged or corroded wiring/connectors
- Misadjusted clutch pedal or linkage
- PCM software or hardware issue
02. Symptoms You Will Notice
- Check Engine Light illuminated
- Difficulty shifting gears or transmission not engaging properly
- Cruise control or start/stop system disabled
- Engine may stall when clutch is engaged
03. Step-by-Step Diagnosis
Step 1: Use an OBD2 scanner to confirm the code and check for additional codes.
Step 2: Visually inspect the clutch position sensor and wiring for damage, corrosion, or loose connections.
Step 3: Test the sensor's voltage and resistance with a multimeter according to manufacturer specifications.
Step 4: Check clutch pedal adjustment and mechanical operation; repair or replace as needed.
Step 5: If all else fails, replace the clutch position sensor and clear the code.
04. Commonly Affected Makes
05. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended to drive with P0806 as it can cause unpredictable transmission behavior, difficulty shifting, or stalling, which may lead to an accident.
How much does it cost to fix?▼
The cost typically ranges from $50 to $150 for parts and labor, depending on the vehicle and shop rates.