P0217 — Engine Overtemperature Condition
Category: Powertrain Severity: High
Updated:
DTC code P0217 means: Engine Overtemperature Condition. It falls under the "Powertrain" category, with an estimated severity of High. Common causes include low coolant or a leak, thermostat stuck closed and failed water pump; it's worth confirming the diagnosis before replacing parts.
Possible causes
- Low coolant or a leak
- Thermostat stuck closed
- Failed water pump
- Radiator fan not working
- Blown head gasket
Symptoms
- Temperature gauge in the red
- Steam from under the hood
- Loss of power
- Smell of antifreeze
How to diagnose it step by step
- Stop the engine and let it cool.
- Check coolant level and look for leaks.
- Make sure the fan switches on when hot.
- Verify the lower hose gets hot (thermostat opens).
- Do a combustion-gas (CO2) test on the coolant if you suspect the head gasket.
How to fix it
Stop the engine as soon as it is safe and let it cool before opening the expansion tank. Check the level, leaks, fan and thermostat; if coolant disappears with no visible leak, suspect the head gasket.
Estimated repair cost
Thermostat: $150–400. Water pump: $300–800. Fan: $200–600. Head gasket: $1,200–2,800.
Frequently asked questions
What does DTC code P0217 mean?
Engine Overtemperature Condition.
Is code P0217 serious?
Severity High. Have it checked as soon as possible, especially if it affects safety or the catalytic converter.
Can I keep driving with code P0217?
No. Driving an overheating engine can warp the cylinder head within minutes.
Related codes
P0219 P0220 P0221 P0222 P0223 P0200 P0230 P0234 P0299
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