U3573
Coolant Mixing Valve Control Circuit
U3573 is an OBD-II diagnostic trouble code meaning: Coolant Mixing Valve Control Circuit. Common causes: open or short circuit in control circuit, solenoid valve malfunction. Estimated repair cost: $17–56.
Symptoms
- Unstable engine temperature
- Poor interior heating
- Engine overheating
- Check Engine Light Is On
- Reduced cooling system efficiency
Causes
- Open or short circuit in control circuit
- Solenoid valve malfunction
- Problems with the control module
- Wiring harness damage
- Mechanical valve jamming
How to Fix
- Check the integrity of the control circuit
- Test the operation of the solenoid valve
- Check the condition of the wiring harness
- Clean or replace mixing valve
- Flash or replace the control module if necessary
Related codes
Error U3573 by Vehicle Brand
FAQ
What does the U3573 code mean?
U3573 is an OBD-II diagnostic trouble code that indicates: Coolant Mixing Valve Control Circuit
What causes a U3573 error code?
The most common causes of U3573 include: Open or short circuit in control circuit; Solenoid valve malfunction; Problems with the control module; Wiring harness damage.
How do I fix a U3573 diagnostic trouble code?
To fix U3573: Check the integrity of the control circuit. Test the operation of the solenoid valve. Check the condition of the wiring harness. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U3573?
Yes, but get it checked soon
How much does it cost to fix U3573?
The estimated repair cost for U3573 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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