P083F: Clutch Pedal Switch A/B Correlation

Manual cars often carry two clutch pedal switches: one near the top of the pedal travel for cruise control and start-stop, one near the floor that releases the starter. Pressing the pedal must switch them in a sensible order; P083F means their states contradict each other. Stellantis documents it for the 2025 Jeep Wrangler manual: the engine does not crank and start-stop is blocked, caused by corroded contacts in the clutch interlock switch, which is replaced. Ford checks the same pair over more than 40 pedal applications but reports it as P0704, without MIL.

Symptoms

• Start-stop not working
• Engine does not crank although the clutch is pressed
• Cruise control cannot be set

Most likely causes

• One clutch switch faulty or corroded
• Switch misadjusted or not seated after clutch or pedal work
• Open circuit or contact resistance in harness or connector
• Pedal does not fully return (stop, hydraulics)

What to check, in order

Start with the simplest. You can tick off each step.

1. Check the fluid level and condition
2. Compare both signals at the same time in live data and check any recent installation work.
3. Read the input and output speed in live data
4. Check the connector and wiring
5. Check for other related engine codes
6. Consult the manufacturer's procedure for the transmission

Good to know

• Repair difficulty: easy

What each character of P083F means

• P: Powertrain: engine and transmission
• 0: Generic code: same on every make
• 8: Transmission
• 3F: Specific fault in that system

Frequently asked questions

Can I keep driving with code P083F?

Drive gently to a repair shop. If it slips, you hear clunks, or it loses its gears, do not keep driving.

What causes code P083F?

The most common causes are: one clutch switch faulty or corroded; switch misadjusted or not seated after clutch or pedal work; open circuit or contact resistance in harness or connector.

Related codes

• P0830Clutch Pedal Switch A Circuit
• P0833Clutch Pedal Switch B Circuit
• P0704Clutch Switch Input Circuit
• P08B9Clutch Pedal Position Sensor A/B Correlation
• P0805Clutch Position Sensor A Circuit

Sources

• static.nhtsa.gov: MC 11026546 0001
• static.nhtsa.gov: MC 10162484 9999
• fordservicecontent.com: OBD Operations Summary Gasoline 2020 2023

Values and procedures vary by manufacturer. If it affects brakes, steering, fuel or high voltage, see a professional. Updated: 2026-11-04. How we build these pages.