OBD Guide
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P2802

Transmission Range Sensor B Circuit Low

P2802 is an OBD-II diagnostic trouble code meaning: Transmission Range Sensor B Circuit Low. Common causes: broken or damaged wiring in the sensor circuit, poor contact in sensor connectors. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Incorrect display of gear selector position on the instrument panel
  • Gear shifting problems
  • The car does not start in the 'Parking' or 'Neutral' position
  • Activating transmission emergency mode
  • Illumination of the fault warning lamp (Check Engine)

Causes

  • Broken or damaged wiring in the sensor circuit
  • Poor contact in sensor connectors
  • Malfunction of the transmission range sensor itself
  • Short circuit to ground in the sensor circuit
  • Problems with the transmission control unit

How to Fix

  1. Visual inspection of the sensor wiring and connectors for damage
  2. Checking the resistance and continuity of the sensor circuit
  3. Checking sensor signals using a scanner or oscilloscope
  4. Replacing a faulty transmission range sensor if necessary
  5. Checking and flashing the transmission control unit

Related codes

P2800P2801P2803

Error P2802 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P2802 code mean?

P2802 is an OBD-II diagnostic trouble code that indicates: Transmission Range Sensor B Circuit Low

What causes a P2802 error code?

The most common causes of P2802 include: Broken or damaged wiring in the sensor circuit; Poor contact in sensor connectors; Malfunction of the transmission range sensor itself; Short circuit to ground in the sensor circuit.

How do I fix a P2802 diagnostic trouble code?

To fix P2802: Visual inspection of the sensor wiring and connectors for damage. Checking the resistance and continuity of the sensor circuit. Checking sensor signals using a scanner or oscilloscope. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2802?

Limited driving only, diagnose soon

How much does it cost to fix P2802?

The estimated repair cost for P2802 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat