Stop light to stop light, playing around can be a blast. Since this approach at power is better suited for increasing power on top of the peak, it is uncommon for tuners to amplify the throttle sensitivity to give the impression of more power down low. Exhaust gas, coolant, oil, and transmission temperature limits can be raised to avoid pre programmed electronic safety limitations. Having full control over the ECM is important when squeezing power out of larger injectors, turbo, manifolds, exhaust, intercooler, etc. This option is usually complemented with a plethora of expensive supporting modifications and requires gauges to monitor drivetrain vitals. Wide open throttle dyno figures and ¼ mile times will be more impressive compared to a module. They are great for big top-end power and exploring the absolute limit of a truck’s potential. Tuners plug into the OBD II (Onboard Diagnostics Systems) port and flash the ECM. After years of exploring that route and of experiencing the end result, you’re hoping for a satisfying yet less invasive option. You’ve been down the long slippery slope of buying performance piping, exhaust, studs, turbos, transmission rebuilds, etc. You’ve had one or more stinky, smokey, unreliable, and heavily modified 2000’s pickup. If you’re like most new diesel pickup owners we speak to, this is not your first rodeo. Read on to learn the ins and outs of tuner vs module. Our goal today is to help you understand the difference between a flash tuner and an inline module so you can decide which option is best for you. Stealth Modules are a very popular option for the silent majority of diesel owners out there, but they are not for everyone. This is probably why you landed here - wondering if you should go the old route of flashing the ECM (Engine Control Module) and sacrificing your warranty or “settle” for a warranty-friendly solution. Perhaps that has to do with the fact that dyno figures represent wide open throttle situations which are not typical or realistic for your daily driver, especially when mileage is a concern. The issue is that these trucks feel awkward - as if you’re always lugging outside of its power curve. Regardless of the advertised high peak power figures, a large portion of new diesel owners are left unsatisfied with their new purchase.ĭon’t get us wrong these trucks come from the factory with plenty of power to get the job done. For example, all three major brands offer roughly 1,000 lbs./ft. I really like having my gauges! And the ability to shift between tunes.As we’re sure you’ve noticed, diesel trucks appear to be significantly faster and more powerful than before. The only time I had the CEL was when it flashed that 1st time. Truck seems to be running fine with no issues so long as the MM is unhooked. So I left the Mini unplugged and in the console. Used my other code reader to check and clear codes. Tried same tricks I did before and no luck. As soon as id start the truck, the Mini would work correctly for maybe 5 seconds, then freeze. Then the other day, sitting in my driveway, I plugged the Mini back in. Had ZERO issues the rest of the way home and over the next week of driving it. You guessed it, Rinse and Repeat! This time when I got everything going enough to clear codes, I unhooked the Mini Maxx from the HDMI able complete. Got back on highway about 1 mile later the freight train noise came back and Mini Maxx froze. U0155 - Lost communication with instrument panelĪfter clearing them, truck started up fine. U0115 - Lost communication with ECM/PCM "B" U0073 - Control module communication Bus A off After fiddling with the obd-II plug, I was able to get the Mini Maxx to reconnect and pulled codes and cleared codes. I checked the key on power, fuses, everything. Couldn't adjust tunes, access menu, nothing. Once stopped, I tried pulling codes on the Mini and it was locked up. Check engine light came on briefly as I was slowing. Pulled off and as I was slowing down I noticed the gauges on the MM were frozen again. Sounded like the engine was reving much higher than what it actually was. Shut truck off, attended the meeting, truck started back up fine, but noticed when I got on the highway, I had a roaring "freight train" noise at speed. Just put MCC custom tunes on it and rocked out!ĭriving a few weeks back, I got to where I was going and noticed my gauges on the MM were "stuck" and not adjusting (egt was still showing 650 at idle). I did not try to update this unit when I got it. Been installed with custom tuning since November of 2017 and around 10,000 miles since complete engine build. Not sure what I have going on with my Mini Maxx.īought it used on here a year or 2 ago.
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