P0217 OBD II Trouble Code Engine Overtemp Condition

Detailed information on troubleshooting and repairing a P0217 DTC code which is an engine over termperature condition. Also includes links to relevant forum topics on the code.

Symptoms of P0217 OBD II Trouble Code

  • MIL (malfunction indicator lamp) illumination
  • Loss of power
  • Coolant expelled from reservoir or radiator
  • Low coolant
  • Acrid smell of coolant due to leak
  • Air conditioner inoperative (In the event of an overheat condition, the PCM (powertrain control module) on some vehicles shuts down the A/C system to reduce load on the engine).

Common Causes of P0217 OBD II Trouble Code

  • Low coolant due to leak in cooling system
  • Restriction/debris in the A/C condenser or radiator
  • Restriction/debris in the cooling system
  • Thermostat stuck closed or faulty
  • Inoperative cooling fan(s)
  • Cylinder head gasket leaking combustion into cooling system
  • Overloaded trailer towing
  • Faulty water pump (impeller broken/damaged)