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P06F4: Stop-Start Mode Lamp Control Circuit

Severity
Medium
System
Computer and Output Circuits
Last reviewed: Last updated:

Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.

Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).

Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.

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

Common Causes

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. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

P0600 Serial Communication Link P0601 Internal Control Module Memory Checksum Error P0602 Control Module Programming Error P0603 Internal Control Module Keep Alive Memory (KAM) Error P0604 Internal Control Module RAM Error P0605 Internal Control Module Read Only Memory (ROM) Error P0606 Control Module Processor P0607 Control Module Performance P0608 Control Module VSS Output A P0609 Control Module VSS Output B