P27EB — Transmission Range Control A Position Sensor/Switch Circuit/Open

What Does P27EB Mean?

P27EB is a diagnostic trouble code indicating: Transmission Range Control A Position Sensor/Switch Circuit/Open. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P27EB

⚠️ Check Engine Light (MIL) illuminated
⚠️ Erratic Transmission Range Control A Position Sensor/Switch readings
⚠️ Related system operating intermittently
⚠️ Reduced engine performance

Common Causes

🔍 Wiring issue in Transmission Range Control A Position Sensor/Switch circuit (damaged, chafed, or corroded)
🔍 Faulty Transmission Range Control A Position Sensor/Switch connector or terminal
🔍 Failed Transmission Range Control A Position Sensor/Switch
🔍 ECM/PCM connection issue

Frequently Asked Questions

What does P27EB mean?

P27EB indicates: Transmission Range Control A Position Sensor/Switch Circuit/Open. The vehicle's computer has detected that the Transmission Range Control A Position Sensor/Switch is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P27EB?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P27EB for extended periods may cause additional problems.

How much does it cost to fix P27EB?

Repair costs for P27EB 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 and repair Transmission Range Control A Position Sensor/Switch wiring and connectors
🔧 Replace faulty Transmission Range Control A Position Sensor/Switch

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.

P27EB: Transmission Range Control A Position Sensor/Switch Circuit/Open