OBD Guide
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P059D

Active Grille Air Shutter A Position Sensor Circuit Low

P059D is an OBD-II diagnostic trouble code meaning: Active Grille Air Shutter A Position Sensor Circuit Low. Common causes: broken signal wire of the blind position sensor, signal wire short circuit to ground. 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
  • Blinds are not controlled automatically, fixed in one position
  • Decreased fuel efficiency on the highway
  • Slow engine warm-up in cold weather
  • Possible increase in coolant temperature when the shutters are closed

Causes

  • Broken signal wire of the blind position sensor
  • Signal wire short circuit to ground
  • Break in the sensor power wire (reference voltage +5 V)
  • Faulty position sensor (no output signal)
  • Oxidation or destruction of the sensor connector

How to Fix

  1. Read all error codes with scanner
  2. Inspect the connector and wiring of the blind position sensor
  3. Check the presence of reference voltage (+5 V) at the sensor connector with the ignition on
  4. Measure the signal voltage of the sensor and check the integrity of the signal wire
  5. Check the ground wire of the sensor for a break and the reliability of the connection to the body
  6. If there is no signal and the wiring is in good condition, replace the position sensor
  7. Reset error codes and check system operation

Related codes

P059AP059BP059CP059EP059F

Error P059D by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P059D code mean?

P059D is an OBD-II diagnostic trouble code that indicates: Active Grille Air Shutter A Position Sensor Circuit Low

What causes a P059D error code?

The most common causes of P059D include: Broken signal wire of the blind position sensor; Signal wire short circuit to ground; Break in the sensor power wire (reference voltage +5 V); Faulty position sensor (no output signal).

How do I fix a P059D diagnostic trouble code?

To fix P059D: Read all error codes with scanner. Inspect the connector and wiring of the blind position sensor. Check the presence of reference voltage (+5 V) at the sensor connector with the ignition on. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P059D?

Do not drive — repair immediately

How much does it cost to fix P059D?

The estimated repair cost for P059D is $22–167. Actual cost depends on your vehicle, location, and labor rates.

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