how to fix C1900 code in Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

Error Code: C1900

3 min read

584 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix C1900 ABS module issues in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Error Code

C1900

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.

Symptoms

•ABS warning light illuminated on the dashboard
•Traction control warning light active
•Erratic ABS operation while braking
•Loss of traction control functionality
•Increased stopping distance under certain conditions

Diagnostic Steps

1
Scan the vehicle's OBD-II system using a compatible scanner to confirm the presence of the C1900 code and check for any related codes.
2
Inspect the ABS module wiring harness and connectors for any signs of damage, corrosion, or loose connections.
3
Check the vehicle battery voltage and ground connections, ensuring they are within specifications.
4
Verify the operation of the wheel speed sensors by measuring resistance and checking for proper output signals.
5
Inspect the ABS module for any physical damage or leaks that could affect its operation.
6
Clear the code and perform a road test to see if the C1900 code returns.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Multimeter
•Torque wrench
•Socket set
•Wiring diagram

Parts Required

•Wheel speed sensors (if faulty)
•ABS module (if necessary)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle's OBD-II system using a compatible scanner to confirm the presence of the C1900 code and check for any related codes.
2
Inspect the ABS module wiring harness and connectors for any signs of damage, corrosion, or loose connections.
3
Check the vehicle battery voltage and ground connections, ensuring they are within specifications.
4
Verify the operation of the wheel speed sensors by measuring resistance and checking for proper output signals.
5
Inspect the ABS module for any physical damage or leaks that could affect its operation.
6
Clear the code and perform a road test to see if the C1900 code returns.

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, torque wrench, socket set, wiring diagram.
Safety Warnings: Disconnect the battery before working on electrical systems.

2. Inspect and Repair Wiring

Step 1: Locate the ABS module and the related wiring harness.
Step 2: Visually inspect the wiring for frays, cuts, or corrosion.
Step 3: Use a multimeter to test continuity in the wiring. Repair or replace any damaged wires.
Step 4: Ensure all connectors are clean and securely connected. Reconnect any loose connections.

3. Test Wheel Speed Sensors

Step 1: Remove the wheel speed sensors from each wheel hub.
Step 2: Clean the sensor and mounting area to ensure proper contact.
Step 3: Measure the resistance of each sensor using a multimeter. Refer to the specifications for acceptable resistance values.
Step 4: If sensors are faulty, replace them with new ones. Reinstall and secure them properly.

4. Replace ABS Module (if necessary)

Step 1: If visual inspection of the ABS module shows damage, disconnect the battery again.
Step 2: Remove any components blocking access to the ABS module.
Step 3: Disconnect the electrical connectors from the ABS module.
Step 4: Unbolt the ABS module from its mount and remove it.
Step 5: Install the new ABS module, ensuring it is securely bolted in place.
Step 6: Reconnect the electrical connectors and any components removed earlier.

5. Final Checks

Step 1: Reconnect the battery and clear the C1900 code using the OBD-II scanner.
Step 2: Perform a road test to confirm the ABS and traction control systems are functioning correctly.