The P064F: Unauthorized Software/Calibration Detected code indicates that the control module has detected unauthorized software or calibration changes. This can result from unauthorized modifications, a faulty control module, or corrupted data within the module. It can lead to improper vehicle operation or failure to comply with regulations.
P064F – Quick Overview
| Code | Information |
|---|---|
| Meaning | P064F: Unauthorized Software/Calibration Detected |
| Is it serious? | Yes, it can affect vehicle operation and lead to compliance issues. |
| Possible causes | – Unauthorized software or calibration – Faulty control module – Corrupted data |
| How to diagnose? | – Verify software and calibration – Reprogram control module if necessary – Replace control module if necessary |
P064F Meaning
The P064F code indicates that the control module has detected software or calibration that does not match the manufacturer’s authorized specifications. This can happen if the vehicle’s software has been altered without authorization or if data corruption has occurred. It may result in improper vehicle operation or even a failure to meet regulatory standards.
Step-by-step diagnostic guide
| Action | Description | Tools Needed |
|---|---|---|
| Check for Other Codes | Use an OBD-II scanner to check for additional codes that may be related to software or calibration issues. These codes can provide more context for diagnosing the problem. | OBD-II Scanner |
| Verify Software and Calibration | Use a diagnostic tool to verify the current software and calibration version in the control module. Compare it to the manufacturer’s authorized version to ensure it matches. | Diagnostic Tool |
| Reprogram the Control Module if Necessary | If unauthorized software or corrupted data is detected, reprogram the control module with the correct factory software and calibration. | Diagnostic Tool, Programming Tool |
| Inspect Wiring and Connectors | Inspect the wiring and connectors to the control module for any signs of damage, loose connections, or corrosion that could interfere with data transmission. | Flashlight, Multimeter |
| Replace the Control Module if Necessary | If the control module is found to be faulty or cannot be reprogrammed, replace it to restore proper vehicle operation. | Replacement Control Module, Tools |
| Clear the Code and Test | After reprogramming or replacing the control module, clear the code using an OBD-II scanner and test the vehicle to ensure that the software is functioning correctly. | OBD-II Scanner, Vehicle Manual |
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Hi, I am Juraj “Yuri” Lukacko. I got frustrated by unhelpful and scammy mechanics, so I decided to learn everything about car diagnostics myself. I test dozens of new car diagnostic tools every month along with learning new strategies to fix and customize cars. About Juraj Lukacko (Yuri)