OBD Guide
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P06B0

Sensor Power Supply A Circuit/Open

P06B0 is an OBD-II diagnostic trouble code meaning: Sensor Power Supply A Circuit/Open. Common causes: broken wire in the power supply line for sensors of group a, short circuit in the power circuit leading to protection activation. Estimated repair cost: $1–56.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$1–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Multiple sensor error codes simultaneously
  • Unstable engine operation or emergency mode
  • Incorrect zero readings from several sensors
  • Difficulty starting or stopping the engine

Causes

  • Broken wire in the power supply line for sensors of group A
  • Short circuit in the power circuit leading to protection activation
  • Sensor power fuse faulty
  • Oxidation or poor contact in the ECU connector
  • Malfunction of the internal sensor power supply in the ECU

How to Fix

  1. Read all error codes and identify the sensors included in group A according to the diagram
  2. Check the fuse for the power supply circuit for group A sensors
  3. Measure the voltage on the power line with the ignition on
  4. Check the power wire from the ECU to the sensors for a break
  5. Repair breakage, oxidation or replace faulty sensor
  6. Reset error codes and check for restoration of normal operation

Related codes

P06B1P06B2P06B3P0641P0651

Error P06B0 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P06B0 code mean?

P06B0 is an OBD-II diagnostic trouble code that indicates: Sensor Power Supply A Circuit/Open

What causes a P06B0 error code?

The most common causes of P06B0 include: Broken wire in the power supply line for sensors of group A; Short circuit in the power circuit leading to protection activation; Sensor power fuse faulty; Oxidation or poor contact in the ECU connector.

How do I fix a P06B0 diagnostic trouble code?

To fix P06B0: Read all error codes and identify the sensors included in group A according to the diagram. Check the fuse for the power supply circuit for group A sensors. Measure the voltage on the power line with the ignition on. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P06B0?

Do not drive — repair immediately

How much does it cost to fix P06B0?

The estimated repair cost for P06B0 is $1–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat