OBD Guide
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P0085

Exhaust Valve Control Solenoid Circuit Low Bank 2

P0085 is an OBD-II diagnostic trouble code meaning: Exhaust Valve Control Solenoid Circuit Low Bank 2. Common causes: open or short circuit in solenoid wiring, exhaust valve solenoid malfunction. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Unstable engine operation at idle
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Difficulty starting the engine
  • Rough engine operation under load
  • Possible pops in the exhaust system

Causes

  • Open or short circuit in solenoid wiring
  • Exhaust valve solenoid malfunction
  • Oxidation or corrosion of connector contacts
  • Engine ECU malfunction
  • Circuit ground or power problems
  • Mechanical damage to the wiring harness
  • Faulty relay or fuse in the circuit

How to Fix

  1. Connect a diagnostic scanner and read all error codes
  2. Check the condition of the valve control system fuses and relays
  3. Visually inspect the solenoid wiring and connectors for damage.
  4. Measure the supply voltage at the solenoid connector with the ignition on
  5. Check the solenoid resistance with a multimeter (usually 10-30 ohms)
  6. Clean the connector contacts from oxidation and corrosion
  7. If necessary, replace the faulty solenoid
  8. Check the integrity of the wiring from the ECU to the solenoid
  9. Clear error codes and test drive to check

Related codes

P0084P0086P0087P0091P0092

Error P0085 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0085 code mean?

P0085 is an OBD-II diagnostic trouble code that indicates: Exhaust Valve Control Solenoid Circuit Low Bank 2

What causes a P0085 error code?

The most common causes of P0085 include: Open or short circuit in solenoid wiring; Exhaust valve solenoid malfunction; Oxidation or corrosion of connector contacts; Engine ECU malfunction.

How do I fix a P0085 diagnostic trouble code?

To fix P0085: Connect a diagnostic scanner and read all error codes. Check the condition of the valve control system fuses and relays. Visually inspect the solenoid wiring and connectors for damage.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0085?

Limited driving only, diagnose soon

How much does it cost to fix P0085?

The estimated repair cost for P0085 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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