OBD Guide
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P0152

O2 Sensor Circuit High Voltage Bank 2 Sensor 1

P0152 is an OBD-II diagnostic trouble code meaning: O2 Sensor Circuit High Voltage Bank 2 Sensor 1. Common causes: faulty oxygen sensor (bank 2 sensor 1), open or short circuit in the sensor wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Increased fuel consumption
  • Unstable engine operation
  • Dips during acceleration
  • Check Engine Light Is On
  • Poor car dynamics

Causes

  • Faulty oxygen sensor (Bank 2 Sensor 1)
  • Open or short circuit in the sensor wiring harness
  • Poor contact in the sensor connector
  • Vacuum leaks in the intake manifold
  • Malfunction of fuel injectors (overflow)
  • Problems with the ignition system
  • Sensor contamination with oil or antifreeze

How to Fix

  1. Check the condition of the wiring harness and sensor connector
  2. Check for vacuum leaks in the intake tract
  3. Check the voltage and signal of the sensor using a scanner or oscilloscope
  4. If the sensor is faulty, replace it
  5. Clean the contacts of the sensor connector (if necessary)
  6. Reset the error and check engine operation

Related codes

P0137P0138P0155P0172

Error P0152 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0152 code mean?

P0152 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Circuit High Voltage Bank 2 Sensor 1

What causes a P0152 error code?

The most common causes of P0152 include: Faulty oxygen sensor (Bank 2 Sensor 1); Open or short circuit in the sensor wiring harness; Poor contact in the sensor connector; Vacuum leaks in the intake manifold.

How do I fix a P0152 diagnostic trouble code?

To fix P0152: Check the condition of the wiring harness and sensor connector. Check for vacuum leaks in the intake tract. Check the voltage and signal of the sensor using a scanner or oscilloscope. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0152?

Limited driving only, diagnose soon

How much does it cost to fix P0152?

The estimated repair cost for P0152 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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