AutoCodes – Generic – P155E

P155E Code - Throttle Valve Actuator 2 Position Error

Quick Answer

The Engine Control Module (ECM) monitors the Throttle Valve Actuator 2. Common causes include Faulty Throttle Valve Actuator 2, Throttle Valve Actuator 2 harness is open or shorted, Throttle Valve Actuator 2 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: P155E indicates Throttle Valve Actuator 2 Position Error.
Common causes: Common causes include Faulty Throttle Valve Actuator 2, Throttle Valve Actuator 2 harness is open or shorted, Throttle Valve Actuator 2 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.

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Code Popularity 5,121

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 Jan 01, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P155E Description

The Engine Control Module (ECM) monitors the Throttle Valve Actuator 2. The ECM sets the OBDII code when the Throttle Valve Actuator 2 is not to factory specifications.

OBDII Code P155E - Throttle Valve Actuator 2 Position Error - AutoCodes.com — P155E Code - Throttle Valve Actuator 2 Position Error

What does this mean?

What are the Possible Causes of the DTC P155E?

Faulty Throttle Valve Actuator 2
Throttle Valve Actuator 2 harness is open or shorted
Throttle Valve Actuator 2 circuit poor electrical connection

How to Fix the DTC P155E?

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 P155E 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 P155E code?

Need more information on how to fix the P155E code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P155E code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P155E BMW — Throttle Valve Actuator 2 Position Error
P155E MINI — Throttle Valve Actuator 2 Position Error

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 P155E Code

1. What are the common symptoms of OBDII code P155E (Throttle Valve Actuator 2 Position Error)?

The common symptoms of code P155E may include rough idling, reduced engine power, hesitation or stalling when accelerating, and illuminated Check Engine Light.

2. What causes OBDII code P155E to trigger?

Code P155E is typically triggered by issues with the throttle valve actuator, such as a faulty actuator motor, wiring problems, or a malfunctioning throttle position sensor.

3. How can I diagnose OBDII code P155E?

Diagnosing code P155E may involve using a scan tool to read the code and perform a thorough inspection of the throttle valve actuator, motor, and related components for any signs of damage or malfunction.

4. What are some possible repair tips for fixing OBDII code P155E?

Repairing code P155E may involve cleaning or replacing the throttle valve actuator, repairing any damaged wiring or connectors, resetting the throttle position sensor, or performing a throttle body relearn procedure.

5. Can I drive my vehicle with OBDII code P155E present?

It is not recommended to drive your vehicle with code P155E present, as it can cause drivability issues and potentially lead to further damage to the throttle system or other components.

6. How serious is OBDII code P155E?

Code P155E should be addressed promptly, as it can affect the performance and drivability of your vehicle. Ignoring this code may lead to more severe issues over time.

7. Is it possible to clear OBDII code P155E without fixing the underlying problem?

Clearing the code without addressing the underlying issue will only temporarily turn off the Check Engine Light. The code is likely to reappear until the root cause is resolved.

8. Can a DIY enthusiast repair OBDII code P155E at home?

Repairing code P155E may require some mechanical knowledge and tools. DIY enthusiasts with experience in automotive repairs may be able to address this code at home, but it is recommended to consult a professional if unsure.

9. How much does it typically cost to repair OBDII code P155E at a mechanic or dealership?

The cost of repairing code P155E can vary depending on the extent of the issue, labor rates, and parts needed. It is advisable to obtain quotes from different mechanics or dealerships for an accurate estimate.

10. Are there any preventive maintenance measures to avoid OBDII code P155E in the future?

To prevent code P155E from reoccurring, it is recommended to maintain your vehicle regularly, including cleaning the throttle body, inspecting the throttle system for any signs of wear or damage, and addressing any issues promptly.