AutoCodes – Ford – P1331 Ford

P1331 Ford Code - Turbocharger / Supercharger Boost Pressure Control Open Circuit

Quick Answer

The Powertrain Control Module (PCM) monitors the Turbocharger (TC) Wastegate Actuator or Supercharger (SC) Bypass Valve. Common causes include Faulty Turbocharger (TC) Wastegate Actuator or Supercharger (SC) Bypass Valve, Turbocharger (TC) Wastegate Actuator or Supercharger (SC) Bypass Valve harness is open or shorted, Turbocharger (TC) Wastegate Actuator or Supercharger (SC) Bypass Valve circuit poor electrical connection. 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
P1331 Ford indicates Turbocharger / Supercharger Boost Pressure Control Open Circuit.
Common causes
Common causes include Faulty Turbocharger (TC) Wastegate Actuator or Supercharger (SC) Bypass Valve, Turbocharger (TC) Wastegate Actuator or Supercharger (SC) Bypass Valve harness is open or shorted, Turbocharger (TC) Wastegate Actuator or Supercharger (SC) Bypass Valve circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,585
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 13, 2019
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Code P1331 Ford Description

The Powertrain Control Module (PCM) monitors the Turbocharger (TC) Wastegate Actuator or Supercharger (SC) Bypass Valve. The PCM sets the OBDII code when the Turbocharger (TC) Wastegate Actuator or Supercharger (SC) Bypass Valve is not to factory specifications.
OBDII Code P1331 Ford - Turbocharger / Supercharger Boost Pressure Control Open Circuit - AutoCodes.com
P1331 Ford Code - Turbocharger / Supercharger Boost Pressure Control Open Circuit

What are the Possible Causes of the DTC P1331 Ford?

  • Faulty Turbocharger (TC) Wastegate Actuator or Supercharger (SC) Bypass Valve
  • Turbocharger (TC) Wastegate Actuator or Supercharger (SC) Bypass Valve harness is open or shorted
  • Turbocharger (TC) Wastegate Actuator or Supercharger (SC) Bypass Valve circuit poor electrical connection

How to Fix the DTC P1331 Ford?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1331 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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.

Frequently Asked Questions about P1331 Ford Code

1. What are common symptoms of OBDII code P1331 (Ford) related to Turbocharger / Supercharger Boost Pressure Control Open Circuit?

Symptoms may include reduced engine power, poor acceleration, unusual noise from the turbocharger, and the vehicle going into limp mode.

2. What are possible causes of OBDII code P1331 (Ford) indicating Turbocharger / Supercharger Boost Pressure Control Open Circuit?

Potential causes include a faulty boost pressure sensor, damaged wiring or connectors in the boost pressure control circuit, a malfunctioning turbocharger wastegate, or issues with the turbocharger actuator.

3. How can I diagnose OBDII code P1331 (Ford) for Turbocharger / Supercharger Boost Pressure Control Open Circuit?

Diagnosis typically involves using a scan tool to read the code, inspecting the boost pressure sensor and related wiring for damage, testing the turbocharger wastegate and actuator, and checking for any vacuum leaks in the system.

4. Can a dirty air filter or intake system cause OBDII code P1331 (Ford) to trigger related to Turbocharger / Supercharger Boost Pressure Control Open Circuit?

Yes, a clogged air filter or restricted intake system can disrupt the airflow to the turbocharger, leading to issues with boost pressure control and potentially triggering the P1331 code.

5. What are some repair tips for resolving OBDII code P1331 (Ford) associated with Turbocharger / Supercharger Boost Pressure Control Open Circuit?

Repair tips may include cleaning or replacing the boost pressure sensor, repairing any damaged wiring or connectors, checking and adjusting the turbocharger wastegate, ensuring proper vacuum levels, and clearing any obstructions in the intake system.

6. Is it safe to continue driving with OBDII code P1331 (Ford) indicating Turbocharger / Supercharger Boost Pressure Control Open Circuit?

It is not recommended to drive with this code active, as it can lead to further damage to the turbocharger or engine components. It is best to address the issue promptly to prevent potential costly repairs.

7. Can a DIY enthusiast fix OBDII code P1331 (Ford) related to Turbocharger / Supercharger Boost Pressure Control Open Circuit?

Depending on the level of expertise, some DIY enthusiasts may be able to address this code by following diagnostic procedures, checking components, and making necessary repairs. However, complex turbocharger issues may require professional assistance.

8. How much does it typically cost to repair OBDII code P1331 (Ford) associated with Turbocharger / Supercharger Boost Pressure Control Open Circuit?

The cost of repair can vary depending on the specific cause of the issue. It may range from a few hundred dollars for sensor replacement or wiring repairs to over a thousand dollars if turbocharger components need to be replaced.

9. Can extreme weather conditions affect OBDII code P1331 (Ford) triggering Turbocharger / Supercharger Boost Pressure Control Open Circuit?

Extreme cold or hot weather can potentially impact the performance of the turbocharger system and trigger the P1331 code. It is essential to ensure that the system is properly insulated and maintained to prevent weather-related issues.

10. How can regular maintenance help prevent OBDII code P1331 (Ford) related to Turbocharger / Supercharger Boost Pressure Control Open Circuit?

Regular maintenance, such as checking and replacing air filters, inspecting wiring for damage, and ensuring proper turbocharger function, can help prevent issues leading to the P1331 code. It is also advisable to follow the manufacturer's recommended service schedule.

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