🔢
P0833 is a low-severity diagnostic code. Reading freeze-frame data and any paired codes is the fastest way to narrow it down. See top-rated scanners on Amazon ↗
These are statistical causes across ALL vehicles, your exact car may rank differently
The ranking changes by year, make, model, and mileage. Get a probability ranking built specifically for your vehicle.
🔎 Get the ranking for my exact car, $5.99 →
🎯 Top Causes & Probability
55%
#1 - Most Likely
Failed Secondary Clutch Switch
The B switch (usually the top-of-pedal or interlock switch) has failed. Contacts wear from repeated cycling.
🔨 Part
$15-$70
👨🔧 Labor
$40-$140
⚡ DIY Difficulty
Easy
25%
#2 - Check First
Misadjusted or Broken Bracket
The plastic mounting bracket on the pedal arm cracks and lets the switch float, giving an erratic signal.
🔨 Part
$10-$40
👨🔧 Labor
$40-$120
⚡ DIY Difficulty
Easy
15%
#3 - Less Common
Wiring or Connector Damage
The harness in the footwell can be kicked, soaked, or chewed by rodents.
🔨 Part
$5-$40
👨🔧 Labor
$60-$180
⚡ DIY Difficulty
Medium
🚗 Most Affected Vehicles
🚫 Is It Safe to Drive?
Yes - cruise control and starter interlock may be affected but the car drives normally.
🔧 Step-by-Step Diagnosis
- Read freeze frame data - Note speed and engine load when the code set - tells you if it failed at idle or under load.
- Locate the B switch - On most vehicles the B switch is the upper one near the pedal hinge. The A switch is the lower one near the floor.
- Check switch continuity - Unplug and test with a multimeter - should change state as the pedal moves through travel.
- Inspect bracket and pedal stop - Plastic clutch switch brackets crack with age. Even a hairline crack can cause an intermittent code.
- Replace if faulty - Switch is $15-$70. Some need pedal disassembly, most just clip into place.
❓ Frequently Asked Questions
Will P0833 keep my car from starting?
On some vehicles with starter interlock, yes. On others it just disables cruise.
Is it safe to drive?
Yes - the clutch hydraulics are unaffected. Only the electrical interlock circuit is faulted.
Does this code affect emissions?
No - non-emissions related. The car will still pass inspection.
Why are there two clutch switches?
One signals "pedal pressed" for cruise cancel, the other signals "fully pressed" for starter enable.
How long does the fix take?
Switch replacement is usually 20-45 minutes for a DIYer working in the footwell.