how to troubleshoot the dashboard warning lights in Ford F-150 13th Generation (2015-2020)

Ford F-150 13th Generation (2015-2020)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

580 words

Problem Statement

Learn how to troubleshoot dashboard warning lights in Ford F-150 (2015-2020). Step-by-step guide with diagnostic steps and solutions for warning lights.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before opening the hood to inspect fluids.

Symptoms

•Check engine light illuminated
•ABS warning light on
•Oil pressure warning light activated
•Battery/charging system warning light appears
•Tire pressure monitoring system (TPMS) light on
•Traction control light illuminated

Diagnostic Steps

1
Scan the vehicle using an OBD-II scanner to retrieve error codes.
2
Inspect the vehicle’s fluid levels, including oil, coolant, and brake fluid.
3
Verify tire pressures and inspect for any visible damage or leaks.
4
Check battery terminals and connections for corrosion or looseness.
5
Examine the dashboard warning lights to determine if they are related to the same system.
6
Test the alternator output to ensure it is charging the battery properly.

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
•Tire pressure gauge
•Socket set
•Screwdriver set

Parts Required

•Replacement battery (if necessary)
•Alternator (if necessary)
•Fluids (oil, brake fluid, coolant)

Related Faults

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Diagnostic Steps

1
Scan the vehicle using an OBD-II scanner to retrieve error codes.
2
Inspect the vehicle’s fluid levels, including oil, coolant, and brake fluid.
3
Verify tire pressures and inspect for any visible damage or leaks.
4
Check battery terminals and connections for corrosion or looseness.
5
Examine the dashboard warning lights to determine if they are related to the same system.
6
Test the alternator output to ensure it is charging the battery properly.

Solution

1. Preparation

Gather tools and materials needed for troubleshooting.
Tools Required: OBD-II scanner, multimeter, tire pressure gauge, socket set, screwdriver set.
Ensure the vehicle is parked on a flat surface, and the engine is turned off.

2. Scan for Error Codes

Connect the OBD-II scanner to the vehicle’s diagnostic port (usually under the dashboard).
Turn on the ignition without starting the engine.
Follow the scanner’s instructions to retrieve and note any stored error codes.

3. Inspect Fluid Levels

Open the hood and check the following:
- Oil Level: Remove dipstick, wipe clean, and reinsert to check the level.
- Coolant Level: Inspect the reservoir to ensure it is within the recommended range.
- Brake Fluid Level: Check the master cylinder reservoir for proper fluid level.

4. Check Tire Pressures

Use a tire pressure gauge to measure the pressure in all tires.
Refer to the driver’s side door jamb for the recommended pressure.
Inflate or deflate tires as necessary to meet specifications.

5. Examine Battery and Connections

Open the hood and visually inspect the battery for corrosion on terminals.
Use a multimeter to measure the voltage across the battery terminals (should be around 12.6 volts).
Tighten any loose connections and clean corrosion with a wire brush if necessary.

6. Test Alternator Output

With the engine running, use a multimeter to check voltage at the battery terminals.
A properly functioning alternator should produce between 13.7 to 14.7 volts.
If the output is below this range, consider replacing the alternator.