The ECM “resets” the IAC valve when the car is operated at normal road speeds (35mph or more). During this time, the IAC valve is typically extended out all the way (IAC counts = 0), thus closing off the idle air passage. This helps the ECM “learn” the position of the IAC valve.
In order to get the most out of your Nissan Titan with the 5.0L Cummins Diesel, you want to tap into the hidden potential locked inside the truck’s ECM. To do that, we offer a cable that gives you that ability (Ez Lynk tuner required with this cable). Once paired with the Ez Lynk platform, you are ready to make your truck the best it can be.
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Mar 31, 2018 · But sometimes this can be misleading because you don't know for sure if it's a bad solenoid, dirt in the valve body or a bad signal from the ECM. The only way to know for certain is to follow the diagnostic procedure as outlined by General Motors. If you follow the test step by step you will be able to determine the exact cause of the problem.
Dec 16, 2015 · GM issued a preliminary information bulletin (PIT) over the issue. Poorly attached roof sheet metal is the main issue that GM looked to fix and instructions for doing so are located in PIT5318B.
2017 - 2019 GM L5P E41 ECU Unlock 2500 HD 3500 HD Silverado Sierra
Sinister Performance, LLC. Custom Chip / ECM / PCM Reprogramming & Tuning. For most GM Cars and Trucks (EFI only & for off-road-use only applications). We are dedicated to tuning your vehicle's engine computer to attain maximum performance and the best drivability possible while keeping the powertrain reliable.
GM. Holden. Honda/Acura.
For example, a steering position sensor for a variety of Buick, Cadillac, Camaro, and Corvette models (part no. 13589991) normally costs over $75, but GM Parts Center sells it for under $44. Another sensor that fits a number of GMC and Chevy trucks and SUVs (part no. 26064468) usually costs over $100. GM Parts center sells it for $59.