AutoCodes – Mercury – C1949 Mercury

C1949 Mercury Code - Accelerometer Sensor Circuit Open

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Accelerometer Sensor Circuit. Common causes include Faulty Accelerometer Sensor Circuit, Accelerometer Sensor Circuit harness is open or shorted, Accelerometer Sensor Circuit 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: C1949 Mercury indicates Accelerometer Sensor Circuit Open.
Common causes: Common causes include Faulty Accelerometer Sensor Circuit, Accelerometer Sensor Circuit harness is open or shorted, Accelerometer Sensor Circuit 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 820

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 Dec 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1949 Mercury Description

The Anti-Lock Brake System (ABS) Module monitors the Accelerometer Sensor Circuit. The ABS Module sets the OBDII code when the Accelerometer Sensor Circuit is not to factory specifications.

OBDII Code C1949 Mercury - Accelerometer Sensor Circuit Open - AutoCodes.com — C1949 Mercury Code - Accelerometer Sensor Circuit Open

What does this mean?

What are the Possible Causes of the DTC C1949 Mercury?

Faulty Accelerometer Sensor Circuit
Accelerometer Sensor Circuit harness is open or shorted
Accelerometer Sensor Circuit circuit poor electrical connection

How to Fix the DTC C1949 Mercury?

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 C1949 Mercury 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 C1949 Mercury code?

Need more information on how to fix the C1949 Mercury code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1949 Mercury 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 C1949 Mercury Code

1. What are the common symptoms of OBDII code C1949 in a Mercury related to the Accelerometer Sensor Circuit Open?

- Common symptoms include the ABS light illuminating on the dashboard, trouble with traction control, and potential issues with the stability control system.

2. What could cause the Accelerometer Sensor Circuit Open fault code C1949 in a Mercury?

- Possible causes include a damaged or faulty accelerometer sensor, wiring issues in the sensor circuit, or a malfunction in the stability control module.

3. How can I diagnose the Accelerometer Sensor Circuit Open problem in my Mercury with code C1949?

- To diagnose this issue, you may need to use a diagnostic scanner to read the fault codes and perform a physical inspection of the sensor and wiring for any visible damage.

4. Can I drive my Mercury with OBDII code C1949 related to the Accelerometer Sensor Circuit Open?

- It is not recommended to drive your vehicle with this fault code, as it could affect the proper functioning of important safety systems like ABS and traction control.

5. What are some repair tips for fixing the Accelerometer Sensor Circuit Open issue in a Mercury?

- Repair tips include checking and repairing any damaged wiring, replacing the faulty accelerometer sensor, or recalibrating the stability control system as needed.

6. Is it possible to reset the OBDII code C1949 related to the Accelerometer Sensor Circuit Open in a Mercury?

- Resetting the code may temporarily clear the fault, but it is crucial to address the underlying issue causing the code to prevent it from reoccurring.

7. How much does it typically cost to repair the Accelerometer Sensor Circuit Open problem in a Mercury?

- The cost of repairs can vary depending on the exact cause of the issue, but it may involve expenses for parts replacement, labor, and diagnostic fees.

8. Are there any safety concerns associated with OBDII code C1949 in a Mercury?

- Yes, driving with this fault code present can compromise the functioning of safety systems, so it is essential to address the issue promptly to ensure safe operation of the vehicle.

9. Can a DIY enthusiast fix the Accelerometer Sensor Circuit Open fault code C1949 in a Mercury?

- While some may attempt DIY repairs, it is recommended to have this issue diagnosed and repaired by a qualified mechanic or technician familiar with ABS and stability control systems.

10. How long does it typically take to repair the Accelerometer Sensor Circuit Open fault code C1949 in a Mercury?

- The repair time can vary based on the exact cause of the issue and the complexity of the repair work involved, so it's best to consult with a professional for an accurate estimate.