OBD Guide
ENFRDEESPT

P05D0

Driver Mode Select Switch A Circuit

P05D0 is an OBD-II diagnostic trouble code meaning: Driver Mode Select Switch A Circuit. Common causes: faulty driving mode select switch a (mechanical or electrical failure), damage to switch a wiring or connector. Estimated repair cost: $22–167.

Severity
✅ Low
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Unable to switch driving mode (button does not respond)
  • The system is locked in one mode (usually standard)
  • Warning about malfunction of the mode selection system on the display
  • In some cars - unstable operation of modes (spontaneous switching)

Causes

  • Faulty driving mode select switch A (mechanical or electrical failure)
  • Damage to switch A wiring or connector
  • Oxidation of contacts in the switch connector
  • Malfunction of the driving mode control module
  • Short circuit or open circuit in the switch circuit

How to Fix

  1. Connect the diagnostic scanner, read all codes and frozen frame data
  2. Find switch A of the mode selection system according to the car's electrical diagram
  3. Inspect the switch and its connector: signs of mechanical damage, oxidation, moisture
  4. Check the power and signal wires of the switch with a multimeter
  5. Test the switch for functionality: check the signal change when pressed
  6. Replace the switch if the fault is confirmed; restore wiring if damage is detected

Related codes

P05D1P05BEP05BFP05C7P05C8

Error P05D0 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P05D0 code mean?

P05D0 is an OBD-II diagnostic trouble code that indicates: Driver Mode Select Switch A Circuit

What causes a P05D0 error code?

The most common causes of P05D0 include: Faulty driving mode select switch A (mechanical or electrical failure); Damage to switch A wiring or connector; Oxidation of contacts in the switch connector; Malfunction of the driving mode control module.

How do I fix a P05D0 diagnostic trouble code?

To fix P05D0: Connect the diagnostic scanner, read all codes and frozen frame data. Find switch A of the mode selection system according to the car's electrical diagram. Inspect the switch and its connector: signs of mechanical damage, oxidation, moisture. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P05D0?

Do not drive — repair immediately

How much does it cost to fix P05D0?

The estimated repair cost for P05D0 is $22–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat