P1939
Clutch Switch/Sensor Signal
P1939 is an OBD-II diagnostic trouble code meaning: Clutch Switch/Sensor Signal. Common causes: faulty clutch sensor, open or short circuit in wiring. Estimated repair cost: $6–33.
Symptoms
- Unstable engine idling
- Gear shifting problems
- Check Engine light comes on
- Reduced engine power
- The engine may stall when stopped
Causes
- Faulty clutch sensor
- Open or short circuit in wiring
- Poor contact in connectors
- Problems with the clutch pedal
- Engine control unit malfunction
How to Fix
- Check the serviceability of the clutch sensor
- Inspect wiring and connectors for damage
- Check the fastening and travel of the clutch pedal
- Replace clutch sensor if necessary
- Test the operation of the system after repair
Related codes
FAQ
What does the P1939 code mean?
P1939 is an OBD-II diagnostic trouble code that indicates: Clutch Switch/Sensor Signal
What causes a P1939 error code?
The most common causes of P1939 include: Faulty clutch sensor; Open or short circuit in wiring; Poor contact in connectors; Problems with the clutch pedal.
How do I fix a P1939 diagnostic trouble code?
To fix P1939: Check the serviceability of the clutch sensor. Inspect wiring and connectors for damage. Check the fastening and travel of the clutch pedal. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1939?
Yes, but get it checked soon
How much does it cost to fix P1939?
The estimated repair cost for P1939 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
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