P1670 — Electronic Feedback Signal Not Detected

What Does P1670 Mean?

P1670 is a manufacturer-specific diagnostic trouble code: Electronic Feedback Signal Not Detected. This code applies to FORD, LINCOLN, MERCURY, OTHER, BUICK 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 P1670

⚠️ Check Engine Light (MIL) illuminated
⚠️ Abnormal signal from Electronic Feedback
⚠️ Related system may operate erratically
⚠️ Reduced engine performance

Common Causes

🔍 Electronic Feedback producing abnormal signal
🔍 Electromagnetic interference affecting Electronic Feedback signal
🔍 Wiring issue distorting Electronic Feedback signal

Frequently Asked Questions

What does P1670 mean?

P1670 indicates: Electronic Feedback Signal Not Detected. The vehicle's computer has detected that the Electronic Feedback is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P1670?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P1670 for extended periods may cause additional problems.

How much does it cost to fix P1670?

Repair costs for P1670 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 Electronic Feedback and related wiring
🔧 Replace faulty Electronic Feedback

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.

P1670: Electronic Feedback Signal Not Detected