P0834
Clutch Pedal Switch B Circuit Low
Transmission / clutch switch
Generic OBD-II
Medium
What it means
P0834 means the control module detects a low-voltage (shorted or grounded) signal from clutch pedal switch "B". On manual-transmission vehicles this switch tells the module the clutch is pressed for functions like clutch-start interlock and cruise control. The engine itself runs normally, but starting may become unreliable and cruise control can be disabled until the switch circuit is repaired.
Medium
Can I keep driving? The engine runs, but a manual-transmission car may be hard to start (clutch-start interlock) or lose cruise control until the switch is fixed.
Common symptoms
What you'll notice
- Check-engine light on
- Hard to start — engine may not crank unless the clutch is pressed just right
- Cruise control will not engage or drops out
- Starter may crank without the clutch pedal pressed
Common causes
Most likely first
- Faulty clutch pedal position switchLikely
- Short-to-ground or open in the clutch switch wiringCommon
- Loose or corroded connector at the switchCommon
- Misadjusted switch (not seeing pedal travel correctly)Less often
How to diagnose & fix
Work through it in order
- Read freeze-frame data and confirm the code with the pedal at rest and pressed.
- Inspect and, if adjustable, re-set the clutch pedal switch position.
- Check the switch connector and wiring for a short-to-ground or open circuit.
- Test the switch continuity as the pedal moves; replace the switch if it does not change state correctly. Clear and re-test.
FAQ
Quick answers
Is it safe to drive with P0834?+
Yes, once it starts — but a clutch-start interlock may make starting unreliable and cruise control may be disabled. Fix it so you are not left unable to start.
Can I just clear P0834?+
It returns until the switch or wiring is repaired. Clearing does not fix the circuit fault.
Related codes
Often seen with P0834
Read & clear P0834 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.
✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX