OBD Guide
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P048E

Exhaust Pressure Control Valve A Position Sensor/Switch Circuit High

P048E is an OBD-II diagnostic trouble code meaning: Exhaust Pressure Control Valve A Position Sensor/Switch Circuit High. Common causes: malfunction of the exhaust gas pressure control valve position sensor, 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 engine power
  • Increased fuel consumption
  • Check Engine Light comes on

Causes

  • Malfunction of the exhaust gas pressure control valve position sensor
  • Open or short circuit in the sensor circuit
  • Problems with the sensor connector
  • Mechanical damage to the exhaust gas pressure control valve
  • Software error in the engine control unit

How to Fix

  1. Check the integrity of the sensor circuit (open circuit, short circuit to positive)
  2. Check the sensor connector for corrosion or damage.
  3. Replace the exhaust gas pressure control valve position sensor if necessary
  4. Check the mechanical operation of the exhaust gas pressure control valve
  5. If necessary, update the ECU software

Related codes

P048FP0490P0491

Error P048E by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P048E code mean?

P048E is an OBD-II diagnostic trouble code that indicates: Exhaust Pressure Control Valve A Position Sensor/Switch Circuit High

What causes a P048E error code?

The most common causes of P048E include: Malfunction of the exhaust gas pressure control valve position sensor; Open or short circuit in the sensor circuit; Problems with the sensor connector; Mechanical damage to the exhaust gas pressure control valve.

How do I fix a P048E diagnostic trouble code?

To fix P048E: Check the integrity of the sensor circuit (open circuit, short circuit to positive). Check the sensor connector for corrosion or damage.. Replace the exhaust gas pressure control valve position sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P048E?

Limited driving only, diagnose soon

How much does it cost to fix P048E?

The estimated repair cost for P048E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat