Clutch pedal switch fault (manual gearbox).
P0830 — also written PO83O, P 0830, 0830 — is the OBD-II code for clutch pedal switch 'a' circuit. Same code, same fix: this page covers every spelling of it.
This is a classic case of the car's 'brain' not knowing if your foot is on the clutch, usually caused by a snapped plastic plunger on the switch. It's a common MOT nuisance on Vauxhalls and VWs where the cruise control suddenly stops playing ball.
P0830 is a electrical fault code, typically costing £40–£200 to put right in a UK garage.
What P0830 actually feels like to drive
- Cruise control refuses to engage no matter how many times you prod the button.
- The engine 'hangs' or revs slightly between gear changes instead of dropping.
- Stop/Start system stops working and shows a 'unavailable' message on the dash.
- Car won't crank unless you bury the pedal into the carpet with extreme force.
- A noticeable 'jerk' or hesitation when pulling away from traffic lights.
What causes P0830?
- Failed switch
- Wiring
- Pedal misalignment
UK vehicles that throw P0830 most often
- Vauxhall Astra J / GTC (2009-2015) - Very common failure point.
- Ford Focus Mk3 1.6 TDCi (2011-2018) - Often affects the Hill Start Assist.
- Volkswagen Golf Mk6/Mk7 (2008-2017) - Usually a combined master cylinder/switch unit.
- Nissan Qashqai J11 (2014-2020) - Causes 'Chassis Control System' errors.
- Land Rover Freelander 2 (2006-2014) - Prevents the push-button start from firing up.
How P0830 is fixed
- Switch replacement
The P0830 misdiagnosis that wastes money
I see folks jumping straight to the clutch kit because the car is jerky or won't start, which is a massive waste of 'dosh.' They assume the 'bite' is gone when it's just the ECU not knowing where the pedal is. Most often, people buy a cheap £10 switch off eBay that doesn't click into the bracket right, or they ignore the wiring loom that's chafed against the steering column. It’s rarely a deep mechanical fault; it’s usually just a bit of plastic that’s given up the ghost or a connector that’s worked loose.
What a UK garage should charge for P0830
A genuine Bosch or Febi switch is usually £15 to £45 depending on the brand. If you’ve got a modern VW where the switch is integrated into the master cylinder, you’re looking at £80+ for the part. I usually charge 0.5 to 1 hour of labour (£40-£80) to fit it and clear the codes. Total job at an indie should be under £120. A main dealer will likely sting you for a £120 'diagnostic fee' before they even touch a screwdriver, so avoid them for this one.
P0830 repair cost in the UK
Most P0830 repairs land between £40–£200 including parts and labour. The spread is wide because the cheap fix (a sensor, a hose, a leak) and the expensive fix (a major component) throw the same code — which is why a proper diagnosis before parts are bought saves the most money.
Bob's tip on P0830
Before you let a garage charge you an hour's labour, get under the dash with a torch and check if your floor mat has bunched up under the pedal—I’ve 'fixed' dozens of these just by moving a carpet. If you do take it in, insist they perform a 'live data' check on the scan tool. They should be able to show you the 'Clutch Switch Status' changing from Off to On as they pump the pedal. If the status doesn't move, it's the switch or the wire. Don't let them 'parts-cannon' a master cylinder at it until they've proven the electrical circuit is dead.
Can you drive with P0830?
Drivable but cruise control may not work.
Urgency: low.