Q: What is J2534?
A: This is actually a specification developed by the Society of Automotive Engineers or SAE. The specification describes the Application Program Interface (API) of a way a Vehicle Communications Device can reprogram a Vehiclesâ€™ PCM through a Personal Computer.Â
Q: What types of PCM's does the Pass Thru Pro Cover?
A: It typically covers ECM/PCM and TCM engine performance and type programming primarily for emissions however some OEMâ€™s offer additional capabilities. Check with the OEM website as there should be information there.Â
Q: How do I navigate through the manufactures web site?
A: This may be different for each manufacturer however you may be able to contact the manufacture through their web site if you need additional assistance.Â
Q: How do I know that my update is downloaded to my PC?
A: There are two different downloads.The Pass-Thru-Pro software and the vehicle manufacturers. The Pass-Thru-Pro should only been done with first time installation. There is also vehicle manufacture specific software that should acknowledge that the calibration or update has been downloaded.Â
Q: What are the part numbers for the product & adapters we might need?
A: These should be listed on this website however there may be specific adapters for other manufacturers. Please check the manufacturersâ€™ website for additional adapters.Â
Q: Who do I contact for Technical Support?
A: The Passthru phone number is +8675522219932. This support number can assist in the installation and troubleshooting of the Passthru-Pro unit only from buyobd2 GROUP.Â
Q: Why aren't all manufactures on the list? When will they be there?
A: Not all manufacturers are available at this time but should be coming on line shortly.Â
Q: Are there any precautions I have to take when programming a vehicle?
A: The internet connection should be stable as some OEMâ€™s require a continuous connection and a high quality battery charger capable of a continuous charge rat. Please note that if voltage drops too low, the vehicles ECM may be damaged.Â
Q: How do I make sure that Passthru is working correctly?
A: Connect the Passthru device to the computer, connect the OBD cable to an OBD2 capable vehicle and select the â€œPassthru Checkerâ€ from the programs. This software will communicate with the Vehicles PCM and confirm the Pass-Thu device is working. The software will list which protocol the PCM is communicating with.Â
Q: How do I know if the Pass-Thru-Pro has been validated by the OEM?
A: Normally there is a list of validated Pass-Thru manufacturers on the OEM website.Â
Q: How long does it typically take to complete a download?
A: The Vehicle calibrations download is dependant on the OEM and the system being programmed and may take a few seconds to several hours.Â
Q: What type of HW and SW need to be in my PC?
A: The OEM will describe this requirement on their web site.