P06F4 — Stop-Start Mode Lamp Control Circuit

What Does P06F4 Mean?

P06F4 is a diagnostic trouble code indicating: Stop-Start Mode Lamp Control Circuit. This code relates to the computer and output circuits system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P06F4

⚠️ Check Engine Light (MIL) illuminated
⚠️ Erratic Stop-Start Mode Lamp readings
⚠️ Related system operating intermittently
⚠️ Multiple system malfunctions

Common Causes

🔍 Wiring issue in Stop-Start Mode Lamp circuit (damaged, chafed, or corroded)
🔍 Faulty Stop-Start Mode Lamp connector or terminal
🔍 Failed Stop-Start Mode Lamp
🔍 ECM/PCM connection issue

Frequently Asked Questions

What does P06F4 mean?

P06F4 indicates: Stop-Start Mode Lamp Control Circuit. The vehicle's computer has detected that the Stop-Start Mode Lamp is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P06F4?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P06F4 for extended periods may cause additional problems.

How much does it cost to fix P06F4?

Repair costs for P06F4 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 Stop-Start Mode Lamp wiring and connectors
🔧 Replace faulty Stop-Start Mode Lamp

1
Find your vehicle above
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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.

P06F4: Stop-Start Mode Lamp Control Circuit