2013年6月20日星期四

Introduction to J2534 and Flash Reprogramming *Edited and reposted from Drew Technologies opel tech2


The days of diagnosing and repairing opel tech2   automobiles without a laptop are fading. Newer vehicles have large number of onboard computers, each dedicated to performing specific tasks. Common onboard computers in newer vehicles include the Engine Control Module (ECM), Transmission Control Module (TCM), Fuel Injection Control Module (FICM), Anti-lock Brake System (ABS), Body Control Module (BCM) and numerous other control modules to manage every electronic system integrated into the vehicle.
Each onboard computer is opel tech2  programmed at the factory with software enabling it to perform certain tasks. Inside the ECM is software containing hundreds or even thousands of parameters to control spark, fuel, cruising, emissions, idle, economy, drivability, and performance. Similarly, a TCM will have software to control how the transmission and torque converter function. Sometimes, after the vehicle is shipped from the automaker, updates are released to improve emissions, fuel economy, opel tech2   drivability, performance, or specific bugs in the original software that have caused warranty issues. Updating this software can be a proactive fix because often it will resolve problems that a customer hasn't reported or noticed yet...
The practice of updating opcom op com  software in these modules is more commonly known as flash reprogramming. At new car dealerships, flash reprogramming is a relatively straightforward process because service technicians are connected to the automaker and have the expensive, specialized tools dedicated to reprogramming. The independent repair shops have faced a more difficult challenge because most ford vcm ids shops typically service more than one make of automobiles. This increases the complexity, cost, and training required to operate dozens of different factory service tools.

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