OBD Guide
ENFRDEESPT

P2AD2

Throttle/Pedal Position Sensor/Switch B/G Voltage Correlation

P2AD2 is an OBD-II diagnostic trouble code meaning: Throttle/Pedal Position Sensor/Switch B/G Voltage Correlation. Common causes: malfunction of the throttle position sensor (channel b or g), damaged wiring or poor contact in connectors. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power (emergency mode)
  • Unstable engine idling
  • Dips when pressing the gas pedal
  • The car may go into limited speed mode

Causes

  • Malfunction of the throttle position sensor (channel B or G)
  • Damaged wiring or poor contact in connectors
  • Short circuit or open circuit in the sensor circuit
  • Mechanical problem with throttle body
  • Problems with the accelerator pedal (in systems with electronic pedal)

How to Fix

  1. Check error codes and sensor data using a scanner
  2. Visually inspect the wiring and sensor connectors
  3. Check the resistance and voltage of the position sensors
  4. Clean the throttle valve if it is dirty
  5. If necessary, replace the faulty sensor

Related codes

P0120P0122P0123P2135

Error P2AD2 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P2AD2 code mean?

P2AD2 is an OBD-II diagnostic trouble code that indicates: Throttle/Pedal Position Sensor/Switch B/G Voltage Correlation

What causes a P2AD2 error code?

The most common causes of P2AD2 include: Malfunction of the throttle position sensor (channel B or G); Damaged wiring or poor contact in connectors; Short circuit or open circuit in the sensor circuit; Mechanical problem with throttle body.

How do I fix a P2AD2 diagnostic trouble code?

To fix P2AD2: Check error codes and sensor data using a scanner. Visually inspect the wiring and sensor connectors. Check the resistance and voltage of the position sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2AD2?

Limited driving only, diagnose soon

How much does it cost to fix P2AD2?

The estimated repair cost for P2AD2 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat