P1577 — Pedal Position Sensor Disagreement Between Sensors

What Does P1577 Mean?

P1577 is a manufacturer-specific diagnostic trouble code: Pedal Position Sensor Disagreement Between Sensors. This code applies to FORD, LINCOLN, MERCURY, OTHER, VOLKSWAGEN vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.

Symptoms of P1577

⚠️ Check Engine Light (MIL) illuminated
⚠️ Pedal Position Sensor Disagreement Between Sensors not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ Reduced engine performance

Common Causes

🔍 Faulty Pedal Position Sensor Disagreement Between Sensors
🔍 Wiring or connector issue in Pedal Position Sensor Disagreement Between Sensors circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does P1577 mean?

P1577 indicates: Pedal Position Sensor Disagreement Between Sensors. The vehicle's computer has detected that the Pedal Position Sensor Disagreement Between Sensors is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P1577?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P1577 for extended periods may cause additional problems.

How much does it cost to fix P1577?

Repair costs for P1577 typically range from $80 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect Pedal Position Sensor Disagreement Between Sensors and related wiring
🔧 Replace faulty Pedal Position Sensor Disagreement Between Sensors

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P1577: Pedal Position Sensor Disagreement Between Sensors