The 13th step is to check for reflash updates for the powertrain control module. In a relatively small number of cases, vehicle manufacturers become aware of potential issues related to the software controlling a variety of engine-related characteristics, including the production of emissions and the sensitivity of the vehicle’s onboard diagnostics. In some of these cases, they will revise or update the software to eliminate known issues, such as increased emissions under certain operating conditions. To correct these issues, they will reflash, or reprogram, the engine’s powertrain control module, much the same way you would update software on your computer at home or work. Learn more by watching this video.
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Reflash the PCM – Step Thirteen – Emissions Control Diagnostic Process
May 31, 2012
The 13th step is to check for reflash updates for the powertrain control module. In a relatively small number of cases, vehicle manufacturers become aware of potential issues related to the software controlling a variety of engine-related characteristics, including the production of emissions and the sensitivity of the vehicle’s onboard diagnostics. In some of these cases, they will revise or update the software to eliminate known issues, such as increased emissions under certain operating conditions. To correct these issues, they will reflash, or reprogram, the engine’s powertrain control module, much the same way you would update software on your computer at home or work. Learn more by watching this video.