OBD Guide
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P2BDA

Motor Electronics Coolant Temperature Sensor B Circuit Low

P2BDA is an OBD-II diagnostic trouble code meaning: Motor Electronics Coolant Temperature Sensor B Circuit Low. Common causes: coolant temperature sensor b malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • Difficulty starting the engine
  • Increased fuel consumption
  • Unstable engine operation at idle
  • Engine overheating (in rare cases)
  • Turning on the Check Engine light

Causes

  • Coolant temperature sensor B malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the level and condition of the coolant.
  2. Check the wiring and connectors of the coolant temperature sensor B for damage.
  3. Measure the resistance of coolant temperature sensor B. Compare the value obtained with the manufacturer's specifications.
  4. Check the voltage at the coolant temperature sensor connector B.
  5. Replace the coolant temperature sensor B if it is faulty.

Related codes

P2BDBP0116P0117P0118

Error P2BDA by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P2BDA code mean?

P2BDA is an OBD-II diagnostic trouble code that indicates: Motor Electronics Coolant Temperature Sensor B Circuit Low

What causes a P2BDA error code?

The most common causes of P2BDA include: Coolant temperature sensor B malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P2BDA diagnostic trouble code?

To fix P2BDA: Check the level and condition of the coolant.. Check the wiring and connectors of the coolant temperature sensor B for damage.. Measure the resistance of coolant temperature sensor B. Compare the value obtained with the manufacturer's specifications.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2BDA?

Yes, but get it checked soon

How much does it cost to fix P2BDA?

The estimated repair cost for P2BDA is $6–33. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat