P05E7 — Park Brake Sensor/Switch Circuit Intermittent/Erratic

What Does P05E7 Mean?

P05E7 is a diagnostic trouble code indicating: Park Brake Sensor/Switch Circuit Intermittent/Erratic. This code relates to the vehicle speed and idle control system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P05E7

⚠️ Check Engine Light (MIL) illuminated
⚠️ Park Brake Sensor/Switch signal cutting in and out
⚠️ Related system working sometimes but not consistently
⚠️ Erratic idle speed

Common Causes

🔍 Loose or intermittent connection at Park Brake Sensor/Switch
🔍 Wire chafing causing intermittent contact
🔍 Park Brake Sensor/Switch failing under heat or vibration
🔍 Corroded connector pins with partial contact

Frequently Asked Questions

What does P05E7 mean?

P05E7 indicates: Park Brake Sensor/Switch Circuit Intermittent/Erratic. The vehicle's computer has detected that the Park Brake Sensor/Switch is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P05E7?

Yes, P05E7 is generally safe to drive with in the short term. However, it should still be addressed to pass emissions testing and prevent potential secondary issues.

How much does it cost to fix P05E7?

Repair costs for P05E7 typically range from $30 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 and reseat all Park Brake Sensor/Switch connectors
🔧 Repair chafed or damaged wiring in Park Brake Sensor/Switch circuit
🔧 Replace Park Brake Sensor/Switch if failing intermittently

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.

P05E7: Park Brake Sensor/Switch Circuit Intermittent/Erratic