OBD Guide
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B0202

Front Blower Motor Power Circuit Open

B0202 is an OBD-II diagnostic trouble code meaning: Front Blower Motor Power Circuit Open. Common causes: broken wiring harness, faulty fan relay. Estimated repair cost: $22–111.

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

Symptoms

  • Heater fan not working
  • Inability to adjust fan speed
  • Blown fuse

Causes

  • Broken wiring harness
  • Faulty fan relay
  • Blown fuse
  • Faulty heater fan
  • Poor contact in connectors
  • HVAC control unit malfunction

How to Fix

  1. Check the fan circuit fuse
  2. Check fan relay
  3. Inspect the wiring harness and connectors
  4. Check fan operation
  5. Check the voltage at the fan connector
  6. Diagnose the HVAC control unit if necessary

Related codes

B0201B0203B0210

Error B0202 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the B0202 code mean?

B0202 is an OBD-II diagnostic trouble code that indicates: Front Blower Motor Power Circuit Open

What causes a B0202 error code?

The most common causes of B0202 include: Broken wiring harness; Faulty fan relay; Blown fuse; Faulty heater fan.

How do I fix a B0202 diagnostic trouble code?

To fix B0202: Check the fan circuit fuse. Check fan relay. Inspect the wiring harness and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0202?

Limited driving only, diagnose soon

How much does it cost to fix B0202?

The estimated repair cost for B0202 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat