AutoCodes – Lincoln – P1572 Lincoln

P1572 Lincoln Code - Brake Pedal Switch Circuit Malfunction

Quick Answer

Indicates that the brake input rationality test for Brake Pedal Position (BPP) and Brake Pressure Applied (BPA) switches has failed. Common causes include Faulty Brake Pedal Switch, Blown fuse, Brake Pedal Switch harness is open or shorted. 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: P1572 Lincoln indicates Brake Pedal Switch Circuit Malfunction.
Common causes: Common causes include Faulty Brake Pedal Switch, Blown fuse, Brake Pedal Switch harness is open or shorted.
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.

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Code Popularity 2,893

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 30, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1572 Lincoln Description

Indicates that the brake input rationality test for Brake Pedal Position (BPP) and Brake Pressure Applied (BPA) switches has failed. One or both inputs to the Powertrain Control Module (PCM) did not change state when it was expected to. On vehicles with stability assist. BPP is connected to the ABS module and the ABS generates a Driver Brake Application (DBA) signal, which is then sent to the PCM.

OBDII Code P1572 Lincoln - Brake Pedal Switch Circuit Malfunction - AutoCodes.com — P1572 Lincoln Code - Brake Pedal Switch Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P1572 Lincoln?

Faulty Brake Pedal Switch
Blown fuse
Brake Pedal Switch harness is open or shorted
Brake Pedal Switch circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1572 Lincoln?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1572 Lincoln code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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.