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Home/Cars/Ford/F-150/13th Generation (2015-2020)/how to fix forward collision warning issues on Ford F-150

how to fix forward collision warning issues on Ford F-150

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

Severity: highDifficulty: medium1-2 hours
3 min read
532 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 forward collision warning issues on Ford F-150. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Component
Electrical
Repair Time
1-2 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems to prevent shocks or shorts.

Symptoms

  • •Forward collision warning light illuminated on the dashboard
  • •Inconsistent or false alerts during normal driving conditions
  • •Warning system not activating when approaching obstacles
  • •Decreased functionality of adaptive cruise control
  • •Camera or sensor obstruction alerts displayed

Diagnostic Steps

  1. 1Scan the vehicle's computer using an OBD-II scanner for any error codes related to the forward collision warning system.
  2. 2Inspect the front-mounted radar sensor and camera for dirt, debris, or damage.
  3. 3Check the alignment of the radar sensor and camera to ensure they are correctly positioned.
  4. 4Verify the electrical connections to the sensors and camera for corrosion or loose wires.
  5. 5Perform a system reset to clear any temporary faults in the forward collision warning system.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface and the ignition is off.
  • Disconnect the vehicle battery to prevent electrical shorts.

2. Clean the Sensors and Cameras

  • Locate the radar sensor and camera, typically found near the front grille or windshield.
  • Use a soft cloth and mild cleaner to gently wipe any dirt or debris from the sensor and camera lenses.
  • Ensure all sensors are unobstructed and clean before proceeding.

3. Inspect and Adjust Mounting

  • Check the mounting brackets of the radar sensor and camera.
  • If misaligned, carefully loosen the mounting hardware and adjust the position to ensure proper alignment with the road.
  • Re-tighten the hardware to the manufacturer’s specified torque values.

4. Check Electrical Connections

  • Reconnect the battery and turn on the ignition.
  • Use a multimeter to check the voltage at the sensor connectors.
  • If voltage is not present, trace the wiring back to the vehicle's electronic control unit (ECU) to identify any breaks or corrosion.

5. System Reset

  • After performing inspections and repairs, use an OBD-II scanner to clear any trouble codes from the system.
  • Perform a system reset following manufacturer guidelines to restore functionality.

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
  • Soft cloth
  • Mild cleaner
  • Torque wrench

Parts Required

  • Replacement radar sensor (if damaged)
  • Replacement camera (if damaged)

Additional Information

Component

Electrical

Repair Time

1-2 hours

Difficulty

medium

Severity

high

Tools

5 items

Parts

2 items

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