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P064F: Unauthorized Software/Calibration Detected

Severity
Medium
System
Computer and Output Circuits

What Does P064F Mean?

P064F is a diagnostic trouble code indicating: Unauthorized Software/Calibration Detected. 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 P064F

Common Causes

Frequently Asked Questions

What does P064F mean?
P064F indicates: Unauthorized Software/Calibration Detected. The vehicle's computer has detected that the Unauthorized Software/Calibration Detected is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code P064F?
You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P064F for extended periods may cause additional problems.
How much does it cost to fix P064F?
Repair costs for P064F 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 Unauthorized Software/Calibration Detected and related wiring
  • 🔧 Replace faulty Unauthorized Software/Calibration Detected
  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