U3571
Stack Outlet Coolant Temperature Sensor 1 Circuit
U3571 is an OBD-II diagnostic trouble code meaning: Stack Outlet Coolant Temperature Sensor 1 Circuit. Common causes: exhaust coolant temperature sensor malfunction, broken or corroded sensor wiring harness. Estimated repair cost: $28–89.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Decreased fuel efficiency
- Problems with diesel particulate filter regeneration
- Rough engine idling
Causes
- Exhaust coolant temperature sensor malfunction
- Broken or corroded sensor wiring harness
- Poor contact in sensor connectors
- Malfunction of the control module itself
- Problems with data transmission via CAN bus
How to Fix
- Check the condition of the coolant temperature sensor
- Check the integrity of wires and connectors in the sensor circuit
- Check for corrosion on contacts
- Scan the system for other related codes
- If necessary, replace the exhaust coolant temperature sensor
Related codes
Error U3571 by Vehicle Brand
FAQ
What does the U3571 code mean?
U3571 is an OBD-II diagnostic trouble code that indicates: Stack Outlet Coolant Temperature Sensor 1 Circuit
What causes a U3571 error code?
The most common causes of U3571 include: Exhaust coolant temperature sensor malfunction; Broken or corroded sensor wiring harness; Poor contact in sensor connectors; Malfunction of the control module itself.
How do I fix a U3571 diagnostic trouble code?
To fix U3571: Check the condition of the coolant temperature sensor. Check the integrity of wires and connectors in the sensor circuit. Check for corrosion on contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U3571?
Yes, but get it checked soon
How much does it cost to fix U3571?
The estimated repair cost for U3571 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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