C2191
Vehicle Speed Signal Error
C2191 is an OBD-II diagnostic trouble code meaning: Vehicle Speed Signal Error. Common causes: broken or damaged wiring harness, speed sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Incorrect speedometer readings
- Cruise control not working
- Unstable operation of the ABS system
- Check Engine Light Illuminates
Causes
- Broken or damaged wiring harness
- Speed sensor malfunction
- Problems with the control unit
- Short circuit in the circuit
How to Fix
- Check the integrity of the wiring harness
- Check the operation of the speed sensor
- Check connections and contacts
- Scan the control unit for other errors
- Replace faulty components
Related codes
FAQ
What does the C2191 code mean?
C2191 is an OBD-II diagnostic trouble code that indicates: Vehicle Speed Signal Error
What causes a C2191 error code?
The most common causes of C2191 include: Broken or damaged wiring harness; Speed sensor malfunction; Problems with the control unit; Short circuit in the circuit.
How do I fix a C2191 diagnostic trouble code?
To fix C2191: Check the integrity of the wiring harness. Check the operation of the speed sensor. Check connections and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C2191?
Limited driving only, diagnose soon
How much does it cost to fix C2191?
The estimated repair cost for C2191 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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