AutoCodes – BMW – P149D BMW

P149D BMW Code - Evaporative Emission System Shutoff Valve 2 Stuck Off

Quick Answer

The Engine Control Module (ECM) monitors the Evaporative Emission System Shutoff Valve 2. Common causes include Faulty Evaporative Emission System Shutoff Valve 2, Evaporative Emission System Shutoff Valve 2 harness is open or shorted, Evaporative Emission System Shutoff Valve 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: P149D BMW indicates Evaporative Emission System Shutoff Valve 2 Stuck Off.
Common causes: Common causes include Faulty Evaporative Emission System Shutoff Valve 2, Evaporative Emission System Shutoff Valve 2 harness is open or shorted, Evaporative Emission System Shutoff Valve 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 20,298

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 Oct 01, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P149D BMW Description

The Engine Control Module (ECM) monitors the Evaporative Emission System Shutoff Valve 2. The ECM sets the OBDII code when the Evaporative Emission System Shutoff Valve 2 is not to factory specifications.

OBDII Code P149D BMW - Evaporative Emission System Shutoff Valve 2 Stuck Off - AutoCodes.com — P149D BMW Code - Evaporative Emission System Shutoff Valve 2 Stuck Off

What does this mean?

What are the Possible Causes of the DTC P149D BMW?

Faulty Evaporative Emission System Shutoff Valve 2
Evaporative Emission System Shutoff Valve 2 harness is open or shorted
Evaporative Emission System Shutoff Valve 2 circuit poor electrical connection

How to Fix the DTC P149D BMW?

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 P149D BMW 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 P149D BMW code?

Need more information on how to fix the P149D BMW code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P149D BMW 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 P149D BMW Code

1. What is OBDII code P149D in a BMW?

Code P149D in a BMW indicates a problem with the Evaporative Emission System Shutoff Valve 2 being stuck off.

2. What are the common symptoms of OBDII code P149D in a BMW?

Common symptoms of code P149D include the check engine light coming on, rough idling, decreased fuel efficiency, and potential difficulty starting the vehicle.

3. What can cause OBDII code P149D to trigger in a BMW?

Code P149D can be triggered by a faulty Evaporative Emission System Shutoff Valve, wiring issues, vacuum leaks, or a problem with the vehicle's evaporative emission system.

4. How can I diagnose the issue causing OBDII code P149D in my BMW?

Diagnosing code P149D may involve visually inspecting the shutoff valve and associated wiring, checking for vacuum leaks, performing a smoke test on the evaporative emission system, and using a scan tool to monitor system operation.

5. Can I drive my BMW with OBDII code P149D?

It is generally not recommended to drive your BMW with code P149D present, as it can lead to poor engine performance and potential damage to the emissions system. It's best to address the issue promptly.

6. How can I repair OBDII code P149D in my BMW?

Repairing code P149D may involve replacing the Evaporative Emission System Shutoff Valve 2, repairing any damaged wiring, fixing vacuum leaks, or addressing any other underlying issues identified during diagnosis.

7. Is it possible to clear OBDII code P149D in a BMW without fixing the underlying issue?

While you can clear the code with a scan tool, it is not recommended to do so without addressing the underlying problem. The code is likely to return if the issue is not fixed.

8. Can a DIY enthusiast fix OBDII code P149D in a BMW?

Depending on your mechanical skills and access to tools, a DIY enthusiast may be able to fix code P149D by replacing the shutoff valve or addressing wiring issues. However, more complex diagnostics may require professional help.

9. How long does it typically take to repair OBDII code P149D in a BMW?

The repair time for code P149D can vary depending on the exact cause of the issue and the complexity of the repair. It could take anywhere from a few hours to a full day to address the problem.

10. Will fixing OBDII code P149D in my BMW improve fuel efficiency?

Fixing code P149D, especially if it was causing decreased fuel efficiency, can help improve the vehicle's gas mileage and overall performance by ensuring proper operation of the evaporative emission system.