C1572
Vehicle Speed Signal Malfunction
C1572 is an OBD-II diagnostic trouble code meaning: Vehicle Speed Signal Malfunction. Common causes: speed sensor malfunction, broken or damaged wiring harness. Estimated repair cost: $56–167.
Symptoms
- Incorrect speedometer readings
- Cruise control not working
- Problems with gear shifting (if you have an automatic transmission)
- Check Engine Light Is On
Causes
- Speed sensor malfunction
- Broken or damaged wiring harness
- Problems with sensor connectors
- ECU malfunction
How to Fix
- Check the speed sensor for damage
- Check the integrity of the wiring harness and connectors
- Test the sensor signal using an oscilloscope or multimeter
- If necessary, replace the sensor or wiring harness
- Check the operation of the computer
Related codes
FAQ
What does the C1572 code mean?
C1572 is an OBD-II diagnostic trouble code that indicates: Vehicle Speed Signal Malfunction
What causes a C1572 error code?
The most common causes of C1572 include: Speed sensor malfunction; Broken or damaged wiring harness; Problems with sensor connectors; ECU malfunction.
How do I fix a C1572 diagnostic trouble code?
To fix C1572: Check the speed sensor for damage. Check the integrity of the wiring harness and connectors. Test the sensor signal using an oscilloscope or multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1572?
Do not drive — repair immediately
How much does it cost to fix C1572?
The estimated repair cost for C1572 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat