OBD Guide
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B3A17

A/C Refrigerant Distribution Valve C Actuator Control Circuit Performance

B3A17 is an OBD-II diagnostic trouble code meaning: A/C Refrigerant Distribution Valve C Actuator Control Circuit Performance. Common causes: open or short circuit in valve wiring harness, refrigerant distribution solenoid valve malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable operation of the air conditioning system
  • No cooling or heating in one of the modes
  • The air conditioning system fault indicator lights up

Causes

  • Open or short circuit in valve wiring harness
  • Refrigerant distribution solenoid valve malfunction
  • Problems with the climate control unit
  • Poor contact in control circuit connectors

How to Fix

  1. Check the integrity of the wiring harness to the refrigerant distribution valve
  2. Check the resistance and operation of the solenoid valve
  3. Check power supply and control signals from the control unit
  4. If necessary, replace the faulty valve or repair the wiring harness

Related codes

B3A16B3A18B3937

Error B3A17 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the B3A17 code mean?

B3A17 is an OBD-II diagnostic trouble code that indicates: A/C Refrigerant Distribution Valve C Actuator Control Circuit Performance

What causes a B3A17 error code?

The most common causes of B3A17 include: Open or short circuit in valve wiring harness; Refrigerant distribution solenoid valve malfunction; Problems with the climate control unit; Poor contact in control circuit connectors.

How do I fix a B3A17 diagnostic trouble code?

To fix B3A17: Check the integrity of the wiring harness to the refrigerant distribution valve. Check the resistance and operation of the solenoid valve. Check power supply and control signals from the control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3A17?

Limited driving only, diagnose soon

How much does it cost to fix B3A17?

The estimated repair cost for B3A17 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat