LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2012 >> Traverse LS, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 160 (Engine Cooling System) >> Diagnostic Information and Procedures >> Coolant Heater Inoperative >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2013 GMC Acadia, 2013 Chevrolet Traverse, and 2013 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

The power supply cord will read open due to an internal thermal switch if the ambient temperature is above -18°C (0°F).

  1. Test the engine coolant heater for an open or short to ground.
    • If open or shorted, replace the heater.
  2. If the heater tests normal, replace the coolant heater power cord.