P012F — Engine Coolant Temperature / Engine Oil Temperature Correlation

What Does P012F Mean?

P012F is a diagnostic trouble code indicating: Engine Coolant Temperature / Engine Oil Temperature Correlation. This code relates to the fuel and air metering system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P012F

⚠️ Check Engine Light (MIL) illuminated
⚠️ Engine Coolant Temperature / Engine Oil Temperature Correlation not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ Poor fuel economy

Common Causes

🔍 Faulty Engine Coolant Temperature / Engine Oil Temperature Correlation
🔍 Wiring or connector issue in Engine Coolant Temperature / Engine Oil Temperature Correlation circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does P012F mean?

P012F indicates: Engine Coolant Temperature / Engine Oil Temperature Correlation. The vehicle's computer has detected that the Engine Coolant Temperature / Engine Oil Temperature Correlation is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P012F?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P012F for extended periods may cause additional problems.

How much does it cost to fix P012F?

Repair costs for P012F typically range from $80 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect Engine Coolant Temperature / Engine Oil Temperature Correlation and related wiring
🔧 Replace faulty Engine Coolant Temperature / Engine Oil Temperature Correlation

1
Find your vehicle above
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P012F: Engine Coolant Temperature / Engine Oil Temperature Correlation