OBD Guide

U3572

Stack Outlet Coolant Temperature Sensor 2 Circuit

U3572 is an OBD-II diagnostic trouble code meaning: Stack Outlet Coolant Temperature Sensor 2 Circuit. Common causes: coolant temperature sensor malfunction, open or short circuit in wiring. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • The Check Engine light comes on
  • Incorrect coolant temperature readings on the dashboard
  • Reduced cooling system efficiency
  • Possible problems with engine warming up
  • Increased fuel consumption in some modes

Causes

  • Coolant temperature sensor malfunction
  • Open or short circuit in wiring
  • Connector problems or contact corrosion
  • Control module malfunction
  • Circuit Grounding Problems

How to Fix

  1. Check the serviceability of the coolant temperature sensor
  2. Inspect wiring and connectors for damage
  3. Check continuity with a multimeter
  4. If necessary, replace the sensor or repair the wiring
  5. Clean electrical contacts from corrosion

Related codes

Error U3572 by Vehicle Brand

FAQ

What does the U3572 code mean?

U3572 is an OBD-II diagnostic trouble code that indicates: Stack Outlet Coolant Temperature Sensor 2 Circuit

What causes a U3572 error code?

The most common causes of U3572 include: Coolant temperature sensor malfunction; Open or short circuit in wiring; Connector problems or contact corrosion; Control module malfunction.

How do I fix a U3572 diagnostic trouble code?

To fix U3572: Check the serviceability of the coolant temperature sensor. Inspect wiring and connectors for damage. Check continuity with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U3572?

Yes, but get it checked soon

How much does it cost to fix U3572?

The estimated repair cost for U3572 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat