P1639 — Throttle Valve Position Control Throttle Stuck Permanently

What Does P1639 Mean?

P1639 is a manufacturer-specific diagnostic trouble code: Throttle Valve Position Control Throttle Stuck Permanently. This code applies to BMW, VOLKSWAGEN, FORD, LINCOLN, MERCURY 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 P1639

⚠️ Check Engine Light (MIL) illuminated
⚠️ Throttle Valve Position Control Throttle Stuck Permanently not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ Reduced engine performance

Common Causes

🔍 Faulty Throttle Valve Position Control Throttle Stuck Permanently
🔍 Wiring or connector issue in Throttle Valve Position Control Throttle Stuck Permanently circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does P1639 mean?

P1639 indicates: Throttle Valve Position Control Throttle Stuck Permanently. The vehicle's computer has detected that the Throttle Valve Position Control Throttle Stuck Permanently is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P1639?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P1639 for extended periods may cause additional problems.

How much does it cost to fix P1639?

Repair costs for P1639 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 Throttle Valve Position Control Throttle Stuck Permanently and related wiring
🔧 Replace faulty Throttle Valve Position Control Throttle Stuck Permanently

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.

P1639: Throttle Valve Position Control Throttle Stuck Permanently