Engine-CodesFord – P1574 Ford

P1574 Ford Code - Stop Lamp Switch Circuit

Quick Answer

The P1574 Ford code refers to an issue with the stop lamp switch circuit in the vehicle. Common causes include Faulty stop lamp switch, Wiring issues in the circuit, Corrosion or damage to the connectors. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1574 Ford indicates Stop Lamp Switch Circuit.
Common causes
Common causes include Faulty stop lamp switch, Wiring issues in the circuit, Corrosion or damage to the connectors.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P1574 Ford Description

The P1574 Ford code refers to an issue with the stop lamp switch circuit in the vehicle. The stop lamp switch is an essential component that is responsible for turning on the brake lights when the brake pedal is pressed. When this switch malfunctions, it can lead to various problems with the vehicle's braking system and overall performance. The code indicates that there is a fault or malfunction in the circuit, which could be caused by a range of issues.

OBDII Code P1574 Ford - Stop Lamp Switch Circuit
P1574 Ford Code - Stop Lamp Switch Circuit

Common Causes of P1574 Ford

  1. Faulty stop lamp switch
  2. Wiring issues in the circuit
  3. Corrosion or damage to the connectors
  4. Blown fuse related to the brake lights
  5. Electronic control module (ECM) malfunction

Symptoms of P1574 Ford

  1. Brake lights not working
  2. Inability to shift out of park
  3. Cruise control not engaging
  4. ABS (Anti-lock Brake System) warning light illuminated
  5. Check Engine Light (CEL) on

How to Fix P1574 Ford

  1. Begin by locating the stop lamp switch, usually located near the brake pedal.
  2. Inspect the wiring and connectors for any signs of damage, corrosion, or disconnection.
  3. Test the stop lamp switch using a multimeter to determine if it is functioning correctly.
  4. Replace the stop lamp switch if it is found to be faulty.
  5. Clear the diagnostic trouble codes (DTCs) using a scan tool and test the vehicle to ensure the issue has been resolved.

Cost to Fix P1574 Ford

The cost of repairing the stop lamp switch circuit issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, the cost of replacing a faulty stop lamp switch can range from $50 to $150 for the part, with additional costs for labor. Overall, the total repair cost for this issue could range from $100 to $300, depending on the complexity of the repair and the specific vehicle make and model. It is advisable to consult with a professional mechanic to get an accurate estimate for your particular situation.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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