AutoCodes – Ford – C1849 Ford

C1849 Ford Code - Master Cylinder Pressure Out of Range

Quick Answer

The Air Suspension Control Module monitors the Master Cylinder Pressure. Common causes include Faulty Master Cylinder Pressure, Master Cylinder Pressure harness is open or shorted, Master Cylinder Pressure 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
C1849 Ford indicates Master Cylinder Pressure Out of Range.
Common causes
Common causes include Faulty Master Cylinder Pressure, Master Cylinder Pressure harness is open or shorted, Master Cylinder Pressure 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 778
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 30, 2020
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Code C1849 Ford Description

The Air Suspension Control Module monitors the Master Cylinder Pressure. The Air Suspension Disable Switch sets the OBDII code when the Master Cylinder Pressure is not to factory specifications.
OBDII Code C1849 Ford - Master Cylinder Pressure Out of Range - AutoCodes.com
C1849 Ford Code - Master Cylinder Pressure Out of Range

What are the Possible Causes of the DTC C1849 Ford?

  • Faulty Master Cylinder Pressure
  • Master Cylinder Pressure harness is open or shorted
  • Master Cylinder Pressure circuit poor electrical connection
  • Faulty Air Suspension Control Module

How to Fix the DTC C1849 Ford?

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 C1849 Ford 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.

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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 C1849 Ford Code

1. What does the OBDII code C1849 mean on a Ford vehicle?

C1849 indicates that the master cylinder pressure sensor has detected a pressure value that is out of the expected range, suggesting a potential issue with the braking system.

2. What are the common symptoms of the C1849 code in a Ford?

Symptoms may include a soft or spongy brake pedal, reduced braking performance, ABS warning light illumination, or traction control system deactivation.

3. What causes the C1849 code to appear?

Common causes include a faulty master cylinder pressure sensor, damaged wiring or connectors in the brake system, or a malfunction in the ABS module.

4. Can I drive my Ford with the C1849 code active?

It is not recommended to drive with this code active, as it could indicate compromised braking performance, posing a safety risk.

5. How is the C1849 code diagnosed?

A technician will typically use a scan tool to confirm the code, inspect the master cylinder pressure sensor, check for faulty wiring, and test the ABS module for proper functionality.

6. How can the C1849 code be fixed?

Repairs may involve replacing the master cylinder pressure sensor, repairing damaged wiring or connectors, or reprogramming or replacing the ABS module if necessary.

7. Is the C1849 code related to the ABS or traction control system?

Yes, this code is closely related to the ABS and traction control systems, as they rely on accurate pressure readings from the master cylinder sensor.

8. How much does it cost to repair the C1849 code?

Repair costs can vary but typically range from $150 to $500, depending on whether the issue is with the sensor, wiring, or ABS module.

9. Can a low brake fluid level trigger the C1849 code?

While low brake fluid usually triggers other codes, it can potentially contribute to abnormal pressure readings and should be checked during diagnosis.

10. How can I prevent the C1849 code from occurring?

Regular maintenance, such as inspecting the brake system, ensuring proper fluid levels, and addressing ABS or brake warnings promptly, can help prevent this code.

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