OBD Guide
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P01F0

Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature

P01F0 is an OBD-II diagnostic trouble code meaning: Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature. Common causes: coolant temperature sensor malfunction, thermostat stuck open. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • The engine takes a long time to warm up
  • Increased fuel consumption
  • Unstable operation at idle

Causes

  • Coolant temperature sensor malfunction
  • Thermostat stuck open
  • Low coolant level
  • Short trips during which the engine does not have time to warm up

How to Fix

  1. Check coolant level
  2. Diagnose the coolant temperature sensor
  3. Check thermostat operation
  4. Replace faulty components if necessary

Related codes

P0115P0116P0117P0118

Error P01F0 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P01F0 code mean?

P01F0 is an OBD-II diagnostic trouble code that indicates: Coolant Temperature Relapsed Below Diagnostic Monitoring Temperature

What causes a P01F0 error code?

The most common causes of P01F0 include: Coolant temperature sensor malfunction; Thermostat stuck open; Low coolant level; Short trips during which the engine does not have time to warm up.

How do I fix a P01F0 diagnostic trouble code?

To fix P01F0: Check coolant level. Diagnose the coolant temperature sensor. Check thermostat operation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P01F0?

Limited driving only, diagnose soon

How much does it cost to fix P01F0?

The estimated repair cost for P01F0 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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