OBD Guide
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P03EA

A Camshaft Profile Actuator Position Sensor B Exceeded Learning Limit

P03EA is an OBD-II diagnostic trouble code meaning: A Camshaft Profile Actuator Position Sensor B Exceeded Learning Limit. Common causes: cam profile b position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine idling
  • Reduced power and vehicle dynamics
  • Check Engine Light Illuminates
  • Increased fuel consumption
  • The engine goes into emergency mode

Causes

  • Cam Profile B Position Sensor Malfunction
  • Open or short circuit in the sensor circuit
  • Problems with the sensor connector
  • Mechanical malfunctions in the VVT system (timing chain wear, phase shifter jamming)
  • Low or poor quality engine oil
  • VVT solenoid malfunction
  • Software error in the engine control unit

How to Fix

  1. Check the level and condition of the engine oil, replace if necessary
  2. Visually inspect the integrity of the wiring harness and sensor connector
  3. Check resistance and signal of cam profile position sensor B
  4. Check VVT solenoid operation
  5. Inspect the mechanical components of the VVT system for wear or damage.
  6. Clear VVT system adaptations and relearn using diagnostic equipment
  7. If necessary, replace the sensor or other faulty components
  8. Update ECU firmware (if required)

Related codes

P0010P0011P0014P0340P0341

Error P03EA by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P03EA code mean?

P03EA is an OBD-II diagnostic trouble code that indicates: A Camshaft Profile Actuator Position Sensor B Exceeded Learning Limit

What causes a P03EA error code?

The most common causes of P03EA include: Cam Profile B Position Sensor Malfunction; Open or short circuit in the sensor circuit; Problems with the sensor connector; Mechanical malfunctions in the VVT system (timing chain wear, phase shifter jamming).

How do I fix a P03EA diagnostic trouble code?

To fix P03EA: Check the level and condition of the engine oil, replace if necessary. Visually inspect the integrity of the wiring harness and sensor connector. Check resistance and signal of cam profile position sensor B. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P03EA?

Limited driving only, diagnose soon

How much does it cost to fix P03EA?

The estimated repair cost for P03EA is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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