P1572 Infiniti Code - Brake Pedal Switch Circuit Malfunction
Quick Answer
When the brake pedal is depressed, Automatic Speed Control Device (ASCD) brake switch is turned OFF and stop lamp switch is turned ON. Common causes include Faulty Brake Pedal Switch, Faulty stop lamp switch, 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 Infiniti indicates Brake Pedal Switch Circuit Malfunction.
- Common causes
- Common causes include Faulty Brake Pedal Switch, Faulty stop lamp switch, 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.
Code P1572 Infiniti Description
What are the Possible Causes of the DTC P1572 Infiniti?
- Faulty Brake Pedal Switch
- Faulty stop lamp switch
- Brake Pedal Switch harness is open or shorted
- Brake Pedal Switch circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1572 Infiniti?
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 Infiniti 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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Information for Specific Infiniti Models
- P1572 2003 Infiniti G35 — Brake Pedal Switch Circuit Malfunction
- P1572 2004 Infiniti G35 — Brake Pedal Switch Circuit Malfunction
- P1572 2005 Infiniti G35 — Brake Pedal Switch Circuit Malfunction
- P1572 2006 Infiniti G35 — Brake Pedal Switch Circuit Malfunction
Frequently Asked Questions about P1572 Infiniti Code
1. What does the OBDII code P1572 mean for an Infiniti?
P1572 indicates a malfunction in the brake pedal switch circuit, which monitors the activation of the brake pedal.
2. What are the common symptoms of a P1572 code in an Infiniti?
Symptoms may include the brake lights not working, the cruise control failing to engage, or the vehicle not shifting out of park.
3. What causes the P1572 brake pedal switch circuit malfunction?
Common causes include a faulty brake pedal switch, damaged wiring or connectors, or an issue with the vehicle’s ECM.
4. Can I drive my Infiniti with a P1572 code?
While you can likely drive the car, it is not recommended due to potential safety risks such as brake light failure or transmission issues.
5. How can I fix the P1572 code in my Infiniti?
Repair options include replacing the brake pedal switch, repairing damaged wiring, or cleaning corroded electrical connectors in the brake switch circuit.
6. How do I diagnose a P1572 code on my Infiniti?
Start by inspecting the brake pedal switch, checking the wiring and connectors, and using a multimeter to test the circuit for continuity or voltage.
7. What tools are needed to fix a P1572 code?
You may need a multimeter, a diagnostic scanner, replacement brake pedal switch, and basic hand tools like screwdrivers and pliers.
8. Will a faulty brake pedal switch always trigger a P1572 code?
Not always. Other issues like damaged wiring or a malfunctioning ECM can also cause this code.
9. How much does it cost to repair a P1572 code on an Infiniti?
The cost varies but typically ranges from $50 to $200, depending on labor rates and whether the brake pedal switch or wiring needs replacement.
10. Can a P1572 code cause the ABS light to come on?
Yes, in some cases, a malfunction in the brake pedal switch circuit may trigger the ABS or other warning lights.
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