OBD Guide
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P05D2

Driver Mode Select Switch A Circuit High

P05D2 is an OBD-II diagnostic trouble code meaning: Driver Mode Select Switch A Circuit High. Common causes: short circuit in the mode switch wiring to the power circuit, oxidation or damage to the switch connector. Estimated repair cost: $17–67.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Check Engine Light Is On
  • Can't switch driving mode
  • The car is locked in Normal or Sport mode
  • Incorrect engine response to pressing the gas pedal
  • Error message on the instrument panel display

Causes

  • Short circuit in the mode switch wiring to the power circuit
  • Oxidation or damage to the switch connector
  • Faulty driving mode switch A
  • Damage to the wiring harness in the steering column area
  • ECU malfunction (rare)

How to Fix

  1. Read all fault codes with a scanner and document them
  2. Check the integrity of the wiring and connector of mode switch A for breaks, short circuits and oxidation
  3. Measure the voltage on the signal wire of switch A - with the lock in the ON position, it should not exceed the reference specification value
  4. Check the resistance of the switch in all positions according to the manufacturer's data
  5. If a faulty switch is found, replace it
  6. Clean connectors, repair damaged wiring and recheck the system

Related codes

P05D0P05D1P05D3P05D4P05D5

Error P05D2 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P05D2 code mean?

P05D2 is an OBD-II diagnostic trouble code that indicates: Driver Mode Select Switch A Circuit High

What causes a P05D2 error code?

The most common causes of P05D2 include: Short circuit in the mode switch wiring to the power circuit; Oxidation or damage to the switch connector; Faulty driving mode switch A; Damage to the wiring harness in the steering column area.

How do I fix a P05D2 diagnostic trouble code?

To fix P05D2: Read all fault codes with a scanner and document them. Check the integrity of the wiring and connector of mode switch A for breaks, short circuits and oxidation. Measure the voltage on the signal wire of switch A - with the lock in the ON position, it should not exceed the reference specification value. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P05D2?

Yes, but get it checked soon

How much does it cost to fix P05D2?

The estimated repair cost for P05D2 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

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