OBD Guide
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P280B

Transmission Range Sensor B Circuit Not Learned

P280B is an OBD-II diagnostic trouble code meaning: Transmission Range Sensor B Circuit Not Learned. Common causes: the sensor training procedure after maintenance has not been completed, gear range sensor b malfunction. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Incorrect display of gear selector position
  • Gear shifting problems
  • Transmission transition to emergency mode
  • Check engine light comes on
  • Transmission does not respond to gear changes

Causes

  • The sensor training procedure after maintenance has not been completed
  • Gear Range Sensor B Malfunction
  • Problems in the sensor electrical circuit
  • Mechanical faults of the switching mechanism
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the technical documentation for the sensor training procedure
  2. Carry out the training procedure according to the manufacturer's instructions
  3. Check the electrical circuit of the sensor for breaks and short circuits
  4. Check the gear shift mechanism for mechanical damage
  5. Replace range sensor B if necessary

Related codes

P2809P2810P280A

Error P280B by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P280B code mean?

P280B is an OBD-II diagnostic trouble code that indicates: Transmission Range Sensor B Circuit Not Learned

What causes a P280B error code?

The most common causes of P280B include: The sensor training procedure after maintenance has not been completed; Gear Range Sensor B Malfunction; Problems in the sensor electrical circuit; Mechanical faults of the switching mechanism.

How do I fix a P280B diagnostic trouble code?

To fix P280B: Check the technical documentation for the sensor training procedure. Carry out the training procedure according to the manufacturer's instructions. Check the electrical circuit of the sensor for breaks and short circuits. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P280B?

Yes, but get it checked soon

How much does it cost to fix P280B?

The estimated repair cost for P280B is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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