AutoCodes – Generic – P149C

P149C Code - Evaporative Emission System Shutoff Valve 2 Control Circuit High

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: P149C indicates Evaporative Emission System Shutoff Valve 2 Control Circuit High.
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.

Save to My Repairs My Repairs

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

Code Popularity 7,679

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
Add Comment

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

Code P149C 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 P149C - Evaporative Emission System Shutoff Valve 2 Control Circuit High - AutoCodes.com — P149C Code - Evaporative Emission System Shutoff Valve 2 Control Circuit High

What does this mean?

What are the Possible Causes of the DTC P149C?

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 P149C?

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 P149C 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 P149C code?

Need more information on how to fix the P149C code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P149C code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P149C BMW — Evaporative Emission System Shutoff Valve 2 Control Circuit High
P149C MINI — Evaporative Emission System Shutoff Valve 2 Control Circuit High

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 P149C Code

1. What are common symptoms of OBDII code P149C?

- Common symptoms of code P149C may include a check engine light illuminated on the dashboard, decreased fuel efficiency, and possible rough idling or stalling.

2. What does the OBDII code P149C indicate?

- OBDII code P149C indicates a potential issue with the Evaporative Emission System Shutoff Valve 2 Control Circuit High.

3. What are some possible causes of OBDII code P149C?

- Possible causes of code P149C can include a faulty shutoff valve, damaged wiring or connectors in the control circuit, or issues with the engine control module.

4. How can I diagnose the cause of OBDII code P149C?

- To diagnose the cause of code P149C, you may need to perform a visual inspection of the related components, check the wiring and connectors for damage, and use a scan tool to monitor the valve operation.

5. How can I repair OBDII code P149C?

- Repairing OBDII code P149C may involve replacing the Evaporative Emission System Shutoff Valve 2, repairing any damaged wiring or connectors, or reprogramming the engine control module.

6. Can OBDII code P149C cause any long-term damage to my vehicle?

- While driving with code P149C may not immediately harm your vehicle, it can lead to increased emissions, decreased fuel efficiency, and potential long-term damage to the engine if left unresolved.

7. Is it safe to continue driving with OBDII code P149C present?

- It is generally not recommended to continue driving with code P149C present, as it can impact your vehicle's performance and emissions. It's best to address the issue promptly to prevent further problems.

8. How much does it typically cost to repair OBDII code P149C?

- The cost to repair OBDII code P149C can vary depending on the specific cause of the issue, the labor rates in your area, and the cost of parts. It's advisable to consult a mechanic for an accurate estimate.

9. Can I reset the check engine light after fixing OBDII code P149C myself?

- After repairing the issue causing code P149C, you can reset the check engine light using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the error code.

10. Are there any maintenance tips to prevent OBDII code P149C from reoccurring?

- To prevent OBDII code P149C from reoccurring, it's essential to perform regular maintenance on your vehicle, including checking the evaporative emission system components for signs of wear or damage.