B3794
Cruise Control Function Request Circuit
B3794 is an OBD-II diagnostic trouble code meaning: Cruise Control Function Request Circuit. Common causes: open or short circuit in wiring harness, cruise control switch malfunction. Estimated repair cost: $56–167.
Symptoms
- Cruise control does not activate
- Cruise control turns off spontaneously
- Check Engine light comes on
Causes
- Open or short circuit in wiring harness
- Cruise control switch malfunction
- Problems with the engine control unit (ECU)
- Poor contact in connectors
How to Fix
- Check wiring harness for damage
- Check cruise control switches
- Check connectors and contacts
- Scan the control unit for other errors
- If necessary, replace faulty components
Related codes
Error B3794 by Vehicle Brand
FAQ
What does the B3794 code mean?
B3794 is an OBD-II diagnostic trouble code that indicates: Cruise Control Function Request Circuit
What causes a B3794 error code?
The most common causes of B3794 include: Open or short circuit in wiring harness; Cruise control switch malfunction; Problems with the engine control unit (ECU); Poor contact in connectors.
How do I fix a B3794 diagnostic trouble code?
To fix B3794: Check wiring harness for damage. Check cruise control switches. Check connectors and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3794?
Limited driving only, diagnose soon
How much does it cost to fix B3794?
The estimated repair cost for B3794 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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