OBD Guide

U3572

Stack Outlet Coolant Temperature Sensor 2 Circuit

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