Causes of PCM Checksum Errors Change Software from 64-bit to 32-bit for use with different J2534 Drivers Check PCM Tune Lock Status Locating OBDX Debug Settings/Files Optimizing PCMTEC Software Performance PCM License Refund Policy PCMTEC General Fact Sheet PCMTec Computer System Requirements PCMTec Flashing Hardware Requirements PCMTec Purchasing, Licensing & Packages FAQ PCMTec Vehicle Support PCMtec Scan Tool Functionality Payment Methods and Restrictions Potential Causes "Do Not Honor" Payment Declines Resolving "Out of Memory" Error in the PCMTEC Data Logger Update Account Email Address Upgrading from Falcon Enthusiast to Falcon One Car Workshop Vehicle Licensing When Switching Tuners Whipple / Roush / Control Pack support