P01F0 — Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature

What Does P01F0 Mean?

P01F0 is a diagnostic trouble code indicating: Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature. 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 P01F0

⚠️ Check Engine Light (MIL) illuminated
⚠️ Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ Poor fuel economy

Common Causes

🔍 Faulty Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature
🔍 Wiring or connector issue in Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does P01F0 mean?

P01F0 indicates: Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature. The vehicle's computer has detected that the Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P01F0?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P01F0 for extended periods may cause additional problems.

How much does it cost to fix P01F0?

Repair costs for P01F0 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 Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature and related wiring
🔧 Replace faulty Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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.

P01F0: Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature