P064F Chevrolet Code - Unauthorized Software/Calibration Detected
Quick Answer
This is an internal fault detection of the transfer case control module. Common causes include Faulty Transfer Case Control Module, Transfer Case Control Module harness is open or shorted, Transfer Case Control Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P064F Chevrolet indicates Unauthorized Software/Calibration Detected.
- Common causes
- Common causes include Faulty Transfer Case Control Module, Transfer Case Control Module harness is open or shorted, Transfer Case Control Module circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P064F Chevrolet Description
At each power-up, the transfer case control module runs a self-test on the following:
- EEPROM Checksum
- ROM Checksum
- RAM Checksum
- RAM Malfunction
- Missing, incorrect, or invalid software
The Diagnostic Trouble Code (DTC) will be set when the transfer case control module has detected an invalid calibration.
What are the Possible Causes of the DTC P064F Chevrolet?
- Faulty Transfer Case Control Module
- Transfer Case Control Module harness is open or shorted
- Transfer Case Control Module circuit poor electrical connection
How to Fix the DTC P064F Chevrolet?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P064F Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P064F Chevrolet code?
Need more information on how to fix the P064F Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P064F Chevrolet code diagnosed by a professional: Find a repair shop in your area
Information for Specific Chevrolet Models
- P064F 2014 Chevrolet Silverado — Unauthorized Software/Calibration Detected
- P064F 2015 Chevrolet Silverado — Unauthorized Software/Calibration Detected
- P064F 2016 Chevrolet Silverado — Unauthorized Software/Calibration Detected
- P064F 2017 Chevrolet Silverado — Unauthorized Software/Calibration Detected
- P064F 2018 Chevrolet Silverado — Unauthorized Software/Calibration Detected
Frequently Asked Questions about P064F Chevrolet Code
1. What are the common symptoms of OBDII code P064F in a Chevrolet vehicle?
- Common symptoms include engine performance issues, rough idling, stalling, and the illumination of the check engine light.
2. What does the OBDII code P064F Chevrolet "Unauthorized Software/Calibration Detected" mean?
- This code indicates that the Engine Control Module (ECM) has detected unauthorized software or calibration in the vehicle's system.
3. What are the possible causes of the P064F code in a Chevrolet?
- The P064F code can be triggered by aftermarket modifications, software tampering, or unauthorized tuning performed on the vehicle's ECM.
4. How can I diagnose the P064F code in my Chevrolet?
- Diagnosing the P064F code typically involves using an OBDII scanner to retrieve the code and then checking for any recent software modifications or unauthorized calibrations.
5. Can the P064F code cause any long-term damage to the vehicle?
- While the P064F code itself may not cause immediate damage, it is essential to address the issue promptly to prevent potential long-term issues with the vehicle's performance and emissions.
6. How can I repair the P064F code in my Chevrolet?
- Repairing the P064F code often involves reverting the ECM to its original software or calibration settings. This may require professional assistance from a dealership or a qualified technician.
7. Will resetting the ECM clear the P064F code?
- Resetting the ECM may temporarily clear the code, but it is essential to address the root cause of the issue to prevent the code from reoccurring.
8. Can I drive my Chevrolet with the P064F code present?
- It is not recommended to drive your vehicle with the P064F code present, as it may lead to performance issues and potential emissions problems.
9. How much does it cost to repair the P064F code in a Chevrolet?
- The cost of repairing the P064F code can vary depending on the extent of the issue and whether professional assistance is required. It is advisable to obtain quotes from reputable repair shops.
10. Can I prevent the P064F code from appearing in my Chevrolet?
- To prevent the P064F code, avoid unauthorized software modifications or calibrations on your vehicle's ECM. Stick to recommended maintenance procedures and consult professionals for any necessary upgrades.
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