AutoCodes – Ford – P0035 2018 Ford F150

P0035 2018 Ford F150 Code - Turbocharger Bypass Valve 'A' Control Circuit High

Quick Answer

The Turbocharger Bypass (TCBY) Valve prevents backflow through the turbocharger when the throttle is rapidly closed to avoid undesirable noise. Common causes include Faulty Turbocharger Bypass (TCBY) Valve, Turbocharger Bypass Valve harness is open or shorted, Turbocharger 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: P0035 2018 Ford F150 indicates Turbocharger Bypass Valve 'A' Control Circuit High.
Common causes: Common causes include Faulty Turbocharger Bypass (TCBY) Valve, Turbocharger Bypass Valve harness is open or shorted, Turbocharger 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 780

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 01, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0035 2018 Ford F150 Description

The Turbocharger Bypass (TCBY) Valve prevents backflow through the turbocharger when the throttle is rapidly closed to avoid undesirable noise. The high pressure downstream of the turbocharger is vented back to the intake air upstream when the Turbocharger Bypass Valve is open reducing pressure in the system. This Diagnostic Trouble Code (DTC) is set when the Powertrain Control Module (PCM) detects an open circuit or high voltage in the Turbocharger Bypass Valve circuit.

OBDII Code P0035 2018 Ford F150 - Turbocharger Bypass Valve 'A' Control Circuit High - AutoCodes.com — P0035 2018 Ford F150 Code - Turbocharger Bypass Valve 'A' Control Circuit High

What does this mean?

What are the Possible Causes of the DTC P0035 2018 Ford F150?

Faulty Turbocharger Bypass (TCBY) Valve
Turbocharger Bypass Valve harness is open or shorted
Turbocharger Bypass Valve circuit poor electrical connection

How to Fix the DTC P0035 2018 Ford F150?

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 P0035 2018 Ford F150 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.

Need more information about the P0035 2018 Ford F150 code?

Need more information on how to fix the P0035 2018 Ford F150 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0035 2018 Ford F150 code diagnosed by a professional: Find a repair shop in your area

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 P0035 2018 Ford F150 Code

1. What are the common symptoms of OBDII code P0035 on a 2018 Ford F150?

The common symptoms of P0035 in a 2018 Ford F150 may include engine performance issues, reduced power, rough idle, and the illumination of the check engine light.

2. What does the OBDII code P0035 'Turbocharger Bypass Valve 'A' Control Circuit High' mean for a 2018 Ford F150?

The P0035 code on a 2018 Ford F150 indicates that there is a high voltage condition detected in the control circuit of the turbocharger bypass valve 'A'.

3. What are the possible causes of the P0035 code on a 2018 Ford F150?

Possible causes of the P0035 code on a 2018 Ford F150 include a faulty turbocharger bypass valve, damaged wiring or connectors in the control circuit, or a problem with the engine control module (ECM).

4. How can I diagnose the OBDII code P0035 on my 2018 Ford F150?

Diagnosing the P0035 code on a 2018 Ford F150 involves using an OBDII scanner to retrieve the code, inspecting the turbocharger bypass valve and its wiring, and testing the control circuit for proper voltage.

5. Can I continue driving my 2018 Ford F150 with the P0035 code present?

It is not recommended to continue driving your 2018 Ford F150 with the P0035 code present, as it can lead to further damage to the turbocharger system and potentially worsen engine performance.

6. How can I repair the OBDII code P0035 on my 2018 Ford F150?

To repair the P0035 code on a 2018 Ford F150, you may need to replace the turbocharger bypass valve, repair any damaged wiring or connectors, or reprogram the engine control module (ECM) if necessary.

7. Is the OBDII code P0035 a common issue in 2018 Ford F150 vehicles?

While the P0035 code may not be extremely common in 2018 Ford F150 vehicles, it can still occur due to various factors affecting the turbocharger system.

8. Can a DIY enthusiast fix the OBDII code P0035 on a 2018 Ford F150?

Depending on the DIY enthusiast's skills and experience, it may be possible to fix the P0035 code on a 2018 Ford F150 by following proper diagnostic procedures and repair steps.

9. Will resetting the check engine light resolve the OBDII code P0035 on my 2018 Ford F150?

Simply resetting the check engine light will not resolve the underlying issue causing the P0035 code on your 2018 Ford F150. It is essential to diagnose and repair the root cause to prevent the code from reappearing.

10. How much can I expect to spend on repairing the OBDII code P0035 on a 2018 Ford F150?

The cost of repairing the P0035 code on a 2018 Ford F150 can vary depending on the exact cause of the issue, parts needed for replacement, labor costs, and whether the repair is done at a dealership or an independent mechanic.