OBD Guide
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P0528

Fan Speed Sensor Circuit No Signal

P0528 is an OBD-II diagnostic trouble code meaning: Fan Speed Sensor Circuit No Signal. Common causes: open or short circuit in fan speed sensor wiring harness, fan speed sensor malfunction. Estimated repair cost: $22–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • Engine overheating
  • Cooling fan malfunction
  • Check engine light comes on
  • Unpredictable fan operation

Causes

  • Open or short circuit in fan speed sensor wiring harness
  • Fan speed sensor malfunction
  • Poor connection or corrosion in the sensor connector
  • Malfunction of the engine control unit (ECU)

How to Fix

  1. Check the integrity of the fan speed sensor wiring harness
  2. Check connections and sensor connector for corrosion or damage.
  3. Measure the resistance of the fan speed sensor and compare with standard values
  4. If necessary, replace the fan speed sensor
  5. Check fan operation after repair

Related codes

P0480P0481P0482

Error P0528 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0528 code mean?

P0528 is an OBD-II diagnostic trouble code that indicates: Fan Speed Sensor Circuit No Signal

What causes a P0528 error code?

The most common causes of P0528 include: Open or short circuit in fan speed sensor wiring harness; Fan speed sensor malfunction; Poor connection or corrosion in the sensor connector; Malfunction of the engine control unit (ECU).

How do I fix a P0528 diagnostic trouble code?

To fix P0528: Check the integrity of the fan speed sensor wiring harness. Check connections and sensor connector for corrosion or damage.. Measure the resistance of the fan speed sensor and compare with standard values. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0528?

Limited driving only, diagnose soon

How much does it cost to fix P0528?

The estimated repair cost for P0528 is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat