Clutch Pedal Switch A Circuit Low
The P0831 code means the vehicle's onboard diagnostic system has detected: Clutch Pedal Switch A Circuit Low. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- moderate
- Estimated cost
- $50 - $300 (parts and labor)
Read and clear transmission codes. Many trans codes are caused by low or burnt fluid -- check level and color before assuming the worst.
Basic scanners only read engine codes. This reads transmission, ABS, and airbag too.
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Common Symptoms
- Check Engine Light on
- Clutch switch reads engaged constantly
- Start/stop system disabled
- Vehicle may not start in gear
Probable Causes (Ranked by Likelihood)
- Clutch pedal switch A circuit shorted to ground Very High
- Wiring damage or corrosion in the circuit High
- Misadjusted switch position Moderate
- ECM/TCM input circuit failure Low
Frequently Asked Questions
What does P0831 mean?
P0831 indicates a problem with the clutch pedal switch a circuit low. This switch tells the ECM whether the clutch pedal is pressed, which affects starting, cruise control, and shift-related functions.
Is P0831 a safety concern?
A clutch switch fault can affect the cruise control cancel function and may allow the engine to start with the clutch not fully pressed. Address this code promptly.
Can I diagnose this myself?
Clutch pedal switches are usually accessible under the dashboard near the clutch pedal. You can often inspect and test them with basic tools.
Mechanics Guide Step-by-step diagnosis
Step-by-Step Diagnostic Procedure
-
Use a scan tool to monitor clutch pedal switch data
-
Inspect the switch and its connector for damage or misalignment
-
Check wiring for damage, especially near the pedal assembly
-
Adjust or replace the clutch pedal switch as needed
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
Commonly Affected Vehicles
- 2010-2020 Ford Mustang
- 2012-2019 Chevrolet Camaro
- 2008-2018 Honda Civic Si
- 2011-2020 Subaru WRX
Related Codes
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