Engine-CodesGeneric – P005E

P005E Code - Turbocharger/Supercharger Boost Control 'B' Supply Voltage Circuit Low

Quick Answer

The P005E diagnostic trouble code (DTC) indicates an issue with the Turbocharger/Supercharger Boost Control 'B' Supply Voltage Circuit being too low. Common causes include Faulty boost control solenoid, Damaged wiring or connectors in the supply voltage circuit, Defective boost pressure sensor. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P005E indicates Turbocharger/Supercharger Boost Control 'B' Supply Voltage Circuit Low.
Common causes
Common causes include Faulty boost control solenoid, Damaged wiring or connectors in the supply voltage circuit, Defective boost pressure sensor.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P005E Description

The P005E diagnostic trouble code (DTC) indicates an issue with the Turbocharger/Supercharger Boost Control 'B' Supply Voltage Circuit being too low. This code is typically found in vehicles equipped with turbocharged or supercharged engines, where the boost pressure is controlled electronically. The turbocharger or supercharger is responsible for increasing the air intake into the engine, which in turn increases power output. The boost control system regulates the amount of boost pressure generated by the turbocharger or supercharger, ensuring optimal performance and efficiency.

OBDII Code P005E - Turbocharger/Supercharger Boost Control 'B' Supply Voltage Circuit Low
P005E Code - Turbocharger/Supercharger Boost Control 'B' Supply Voltage Circuit Low

Common Causes of P005E

  1. Faulty boost control solenoid
  2. Damaged wiring or connectors in the supply voltage circuit
  3. Defective boost pressure sensor
  4. Malfunctioning boost control module
  5. Low battery voltage affecting the supply voltage circuit

Symptoms of P005E

  1. Decreased engine power
  2. Poor fuel efficiency
  3. Hesitation or lack of acceleration
  4. Rough idling
  5. Stalling

How to Fix P005E

  1. Diagnose the issue by using a scan tool to retrieve the DTC and check the boost control system components for faults.
  2. Inspect the wiring and connectors in the supply voltage circuit for any damage or corrosion. Repair or replace as necessary.
  3. Test the boost control solenoid, pressure sensor, and control module for proper operation. Replace any faulty components.
  4. Clear the DTC and reset the vehicle's engine control module (ECM) to see if the issue has been resolved.
  5. Test drive the vehicle to ensure that the symptoms associated with the P005E code have been eliminated.

Cost to Fix P005E

The typical repair costs for addressing the P005E code can vary depending on the specific cause of the issue and the vehicle's make and model. In general, the parts required for this repair, such as a boost control solenoid or pressure sensor, can range from $50 to $200. Labor costs at an auto repair shop can add an additional $100 to $300, depending on the shop's hourly rates and the complexity of the repair. It's recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's specific needs.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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