what does it mean if the AWD light is on in my Ford Explorer Fifth Generation (2011-2019)?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

573 words

Problem Statement

Learn how to diagnose and fix the AWD light issue in your Ford Explorer 2011-2019. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Allow the vehicle to cool down before working on the transfer case to avoid burns.
•Disconnect the battery before working on electrical systems.
•Elevate the vehicle securely with jack stands before working on wheel components.

Symptoms

•AWD light illuminated on the dashboard
•Vehicle may exhibit difficulty in shifting between drive modes
•Reduced traction or handling in slippery conditions
•Potential engine performance issues or reduced power delivery
•Unusual noises from the transfer case or drivetrain components

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes related to the AWD system.
2
Inspect the transfer case fluid level and condition; check for leaks.
3
Examine the AWD control module connections and wiring for any signs of damage or corrosion.
4
Test the operation of the AWD system by engaging and disengaging it while driving in a safe area.
5
Check the wheel speed sensors for proper function and alignment.
6
Verify that the vehicle's battery is in good condition and fully charged, as low voltage can affect system operation.

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
•Socket set
•Multimeter
•Electrical contact cleaner
•Fluid pump
•Drain pan

Parts Required

•Transfer case fluid
•Wheel speed sensors (if defective)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes related to the AWD system.
2
Inspect the transfer case fluid level and condition; check for leaks.
3
Examine the AWD control module connections and wiring for any signs of damage or corrosion.
4
Test the operation of the AWD system by engaging and disengaging it while driving in a safe area.
5
Check the wheel speed sensors for proper function and alignment.
6
Verify that the vehicle's battery is in good condition and fully charged, as low voltage can affect system operation.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.

2. Fluid Inspection and Replacement

Sub-steps:
- Remove the transfer case fill plug using a socket wrench.
- Check the fluid level; if low, add the appropriate type of transfer case fluid (consult owner's manual for specifications).
- If the fluid is contaminated or discolored, drain the old fluid by removing the drain plug and replace it with new fluid.
Tools Required: Socket set, fluid pump (if adding fluid), drain pan.
Safety Warnings: Allow the vehicle to cool down before working on the transfer case to avoid burns.

3. Electrical Inspection

Sub-steps:
- Disconnect the battery to prevent electrical shorts.
- Inspect the wiring harness and connectors to the AWD control module for any signs of wear, corrosion, or damage.
- Clean any corroded connectors with electrical contact cleaner.
- Reconnect the battery and ensure all connections are secure.
Tools Required: Multimeter, electrical contact cleaner, basic hand tools.
Safety Warnings: Disconnect the battery before working on electrical systems.

4. Sensor Testing

Sub-steps:
- Remove the wheel speed sensors (if applicable) for visual inspection.
- Use a multimeter to test the resistance of each sensor; compare readings to manufacturer's specifications.
- Replace any faulty sensors with new ones.
Tools Required: Multimeter, socket set.
Safety Warnings: Elevate the vehicle securely with jack stands before working on wheel components.