my Ford F-150 13th Generation (2015-2020) won't start but battery is good what could be wrong

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

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

Error Code: P061B, P0627

3 min read

576 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 a no-start condition in Ford F-150 13th Generation (2015-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Error Code

P061B, P0627

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow engine to cool before performing any checks on the ignition or fuel systems.

Symptoms

•Engine cranks but does not start
•No clicking sound when attempting to start
•Dashboard lights illuminate but do not engage
•Fuel pump does not activate
•Security light blinking or illuminated
•Possible error codes if scanned (e.g., P061B, P0627)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any underlying issues.
2
Check the fuel pump operation by listening for it to activate when turning the key to the 'ON' position.
3
Inspect the ignition system, including spark plugs and ignition coils, for faults.
4
Verify the status of the fuses related to the fuel and ignition systems.
5
Test the starter motor and solenoid for proper operation.
6
Check for any immobilizer issues or security system malfunctions.

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
•Socket set
•Torque wrench
•Wire brush

Parts Required

•Fuel pump relay (if faulty)
•Fuel pump (if defective)
•Spark plugs (if worn)
•Ignition coils (if faulty)
•Starter motor (if defective)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any underlying issues.
2
Check the fuel pump operation by listening for it to activate when turning the key to the 'ON' position.
3
Inspect the ignition system, including spark plugs and ignition coils, for faults.
4
Verify the status of the fuses related to the fuel and ignition systems.
5
Test the starter motor and solenoid for proper operation.
6
Check for any immobilizer issues or security system malfunctions.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is in a safe environment with the engine off and keys removed.
Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, wire brush.

2. Fuel System Check

a. Inspect Fuel Pump Relay:
- Locate the fuel pump relay in the fuse box.
- Remove and visually inspect for damage or corrosion.
- If faulty, replace with a new relay.
b. Test Fuel Pump:
- Use a multimeter to check for power at the fuel pump connector.
- If no power, trace wiring back to the relay and ignition switch for issues.
- If power is present, replace the fuel pump.

3. Ignition System Inspection

a. Inspect Spark Plugs:
- Remove spark plugs using a socket wrench.
- Inspect for wear, fouling, or damage; replace if necessary.
b. Test Ignition Coils:
- Use a multimeter to check primary and secondary resistance of each ignition coil.
- Replace any coils that do not meet specifications.

4. Starter Motor and Solenoid Check

a. Inspect Starter Motor:
- Locate the starter motor and check wiring for corrosion or damage.
- Use a multimeter to test for voltage during cranking.
- If no voltage, check ignition switch and wiring; if voltage is present, replace starter motor.

5. Final Assembly and Testing

Reassemble any components that were removed during inspection.
Ensure all connections are tight and secure.
Tools Required: Torque wrench for proper reassembly of components.