By on June 9, 2021

Despite hearing murmurings that the semiconductor shortage is about to turn a corner, General Motors has recently decided to begin manufacturing full-size pickups without the sometimes obnoxious automatic stop-start feature (intended to improve fuel economy) as a way to cut back on chip usage.

While this saves many the trouble of having to manually deactivate the system each time they return to the vehicle, some will undoubtedly miss having it. Those traversing the countryside or racking up highway miles during their daily commute have little to gain from the feature. But testing has revealed that city dwellers constantly exposed to stop-and-go traffic actually have an excellent shot at lowering their fuel bill. The vehicles GM has selected can do without start-stop technologies reflects this, though the compensation it’s offering remains laughable.

Customers are being offered a measly fifty bucks off the sticker price of vehicles that have been stripped of the system, according to Automotive News:

The feature, which turns off the engine when the vehicle isn’t moving, will no longer be available on select models of the 2021 Chevrolet Tahoe and Suburban, GMC Yukon and Yukon XL and Cadillac Escalade and Escalade ESV SUVs. It will also be unavailable on certain light-duty Chevy Silverado and GMC Sierra pickups.

Only pickups and SUVs equipped with 5.3-liter and 6.2-liter V-8 engines and 10-speed transmissions built on or after June 7 will be impacted, GM said in a statement. GM did not disclose the affected volume.

“By taking this measure, it will enable us to continue production of our high-demand full-size SUV and pickups as the industry continues to rebound and strengthen,” GM said in a statement.

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52 Comments on “Chip Shortage: GM to Remove Stop-Start Tech From Trucks...”

  • avatar
    SCE to AUX

    “some will undoubtedly miss having it”

    Some = zero

    That $50 isn’t laughable; it’s probably all the savings start-stop would generate over the life of the vehicle. Good riddance.

    • 0 avatar

      Hah! I see two bonuses from GM here. 1) Start-stop is gone!, and, 2) An extra $50 added to the cash on the hood. What’s not to like?

      • 0 avatar
        pale ghost

        GM could probably charge $200 for the option delete. I certainly would have paid that. It’s a real PITA on our Outback to turn off. You have to plow through 3 screens on the infotainment display.

        • 0 avatar
          Steve Biro

          Compensation to owners? The deletion of auto start-stop is its own reward. One that I, like pale ghost above, would happily pay for. Maybe we should find a way to stage a chip shortage every model year. Heads up automakers: Nobody wants this crap.

  • avatar

    Stupid, hateful product of regulation. It’s my understanding its actually an emissions compliance, not fuel economy. So add a bigger battery, bigger starter and associated wiring and of course thousands of extra start cycles leading to early failures and increased emissions as factories and transportation generate replacement parts and cars.

  • avatar

    Yup GM has its priorities in order. /s

    The fact it has taken them this long to take these steps suggests to me they are finally accepting this chip shortage isn’t going away in FY22.

  • avatar
    Matt Posky

    I would love to see stop-start done away with but I have spoken to a lot of people that seem to appreciate it, even if they admitted they had no idea if it was actually saving them fuel.

  • avatar

    This deletion of the “start-stop” will save truck owners a lot more than $50 over the vehicle lifetime. I expect the starter motors and batteries to last a LOT longer on trucks without “start-stop”. I think that there is some minor savings in emissions when vehicle engines are off in big city traffic. However the necessary spurt of fuel on restart eats into mileage savings and emissions savings. Good riddance!!

  • avatar
    Land Ark

    Buy one and store it, you’ll have a rare and desirable collectible in 25 years.

    I would definitely pay some nominal fee to get rid of it if it were on a car I wanted to buy. I was looking at getting a TourX and it would have cost about $200 to defeat it in the aftermarket – there is no way to turn it off on those cars.

    • 0 avatar

      I’ve spoken to people who considered the same thing for Fords that have start/stop. They were more then happy to pay $200 to 300 for tune that removed this “feature”.

  • avatar

    Worst feature on modern cars, hands down. When my wife and I test drove an Enclave it couldn’t be turned off and that was enough to end our already limited interest in it.

    • 0 avatar

      Car companies spend A LOT of money to reduce NVH.
      Shake rumble grumble at every stop light is BRUTAL.

      2- Idiots – that what i call people that like a feature with out knowing the benefits (actual increase in MPG) VS cost (added cost of the vehicle due to bigger batteries, more robust starters, crankshaft position sensor, and increased failures and garage visits to fix.)
      Race to the bottom and insanity arrives when you value what IDIOTS LIKE.

      • 0 avatar

        No need for a bigger battery, nor shortened life. A hot restart puts a very minor drain on the battery that will be replenished in about 60 sec of running. No need for a bigger starter either since again the hot start is a lot easier than a cold start. Longer brushes which cost a few pennies is a good idea though. The crank position sensor is not a wear item and it is working any time the engine is spinning, it doesn’t matter if it is starter is spinning it or it is running at redline, it does the same thing.

        The fact is that the mfgs get credit for stop/start both in emissions and in MPG and in the case of MPG it is a bonus where they get more credit than it provides in regular use. So if you want to blame anyone blame the regulators not the MFGs who are just trying to stay compliant selling the types of vehicles that people actually want to buy. Or blame the consumer for buying vehicles that don’t intrinsically meet the CAFE and emissions requirements.

        • 0 avatar

          Mazda has a system that squirts fuel into the appropriate cylinder and fires its plug. No starter motor involved.

          • 0 avatar

            @mcs, that is cool:

            Mazda even do it with diesel. What??

            8% bump in fuel economy is Not Trivial.

            (Note: Based on the piston positions in the 4-cylinder engine ‘cutaway’ at the link, the whole page might be fictional.)

  • avatar

    On GM cars with start stop, you can trick it into being off on some cars.

    Transmissions with paddle up /down gear selectors:
    > put tranny in low /manual select mode.
    > Toggle gear up to max number of gears. IE if a 6 speed, click up on the manual gear selector to 6.

    = This will have the tranny act as a normal 6 speed and turn off the start/stop nonsense mode.

    • 0 avatar
      Steve Biro

      I appreciate the info. But why should I have to do any of this on a vehicle that I am paying tens of thousands of dollars for? Who is serving who here? I just won’t buy vehicles with this crap in it – unless it can be easily and permanently disabled. The same goes for electronic “driver assistance” technologies and 24/7 Internet connectivity.

  • avatar

    The stop-start function is the motorized seatbelt of the modern day. Good riddance.

  • avatar

    It’ll save about a gallon an hour, vs just idling a normal V8, no cylinder deactivation.

    • 0 avatar

      Chrysler quantified their stop start gas savings in the press kit for the 2019 Ram and it was a hair under a half gallon per hour for the 5.7. Three cents a minute.

  • avatar
    cimarron typeR

    My own experience with my 60% hwy commute,rest suburban stop and go is that it doesn’t help overall economy at all. This is on my 17 Disco Sport. For long idles like drive thru i’ll use it but really I could turn the car off like I do on our Sienna which doesn’t have it.
    I did have to have the battery replaced under warranty in 2018. Not sure if it had anything to do with it, but I coincidentally started turning it off after that and haven’t had a battery issue since.

  • avatar

    If start-stop were offered in tandem with electric a/c like ev’s have so car could be pre-cooled without engine running and would not heat up at stop lights I would go for it as a fair tradeoff

  • avatar

    Thank God….now I can wait for inventory to normalize before I order a 2022 Silvy Custom….instead of trying to catch that sweet spot between zero inventory, the reintroduction of DFM as inventories build, and the arrival of 2022s.

  • avatar

    If you are actually in the city (which we well know most TTACers aren’t) then this feature can save some gas. I’ve learned by experience that my Highlander Hybrid has three regimes for when it will shut down the engine:

    (1) Engine cold (just warming up from a cold start): never
    (2) Engine below full operating temperature or heat on medium-high: only at a dead stop if the cabin is warm
    (3) Engine at full operating temp with heat on low or off: whenever possible

    There is a sizable difference in city fuel economy between these three regimes. In slow block-by-block city driving, the mileage I get is like this:

    Regime 1: ~20 mpg (basically like a gas V6 Highlander)
    Regime 2: 22-24 mpg
    Regime 3: 26-28 mpg

    Regime 2 is most comparable to a conventional gas car with start-stop.

    There is far less difference in any other form of driving, either suburban or highway.

    And, of course, with a full hybrid the start-stop feature is FAR less obtrusive than it is without electric assistance. Restarting is near-seamless, not the bumpy experience you get with a starter motor.

    • 0 avatar

      With my full hybrid ’20 RAV 4, it can “stop start” at speeds up to 80 mph.

    • 0 avatar

      Note in Regime 1 you aren’t really getting that low of MPG much of the time. When in warm up mode the system does dump the excess power generated in part to speed warm up into the battery. As long as you don’t shut it down and do another cold soak you’ll recover that “lost MPG” that you’ve stored in the battery.

      That is one of the ways that Ford is ahead of Toyota in the Hybrid game and that is their EV+ mode that strives to leave the battery at the lower end of its SOC when you reach a known cold soak location, to provide the capacity to capture the excess energy generated while trying to warm up the engine as quickly as possible.

  • avatar

    Stop start on my 2.7 Ford was thankfully an easy hack to fix but absolutely intolerable when left on. Whoever signed off on a feature that turns off the AC at red lights should have been transferred to Saudi Arabia.

    If you’re considering a vehicle with this godawful feature find out ahead of time how to kill it and if you can’t then buy something else.

  • avatar
    bumpy ii

    I’m surprised that the start-stop functionality is controlled by a random computer chip that GM can simply decide to leave out, versus being a glob of code buried in the ECM software.

  • avatar

    Oh how I hate this feature!

    I love though people trying to make excuses about how super awesome it is and how they don’t notice their car feels like its either stalling out at every stop (which it is) or the transmission is about to explode.

  • avatar
    Tele Vision

    How do brake stands work with this abomination of a ‘feature’? Right foot off brake; engine starts; left foot back on brake with right foot flooring throttle; release left foot?

  • avatar

    I’ve never driven a car with auto start/stop. I think if I did, the first time it cut off the engine I’d have an anxiety attack — too many memories of ratty POS old cars where having the crankshaft actually rotating was a valuable asset.

    • 0 avatar

      This happened to my uncle. He drives for a company and they got a new car with the feature. First stop once it was warmed up he though POS new car. Then realized it had stop/start.

  • avatar

    I got a CLA loaner a few months back. We drove to NYC and it kept shutting down…there are times in NYC traffic you want it on. Looked for a kill switch…none to be found…turns out there isn’t one in that car. $50 and no stop/start ? Advertise it as a “new and improved”…

    I find it interesting that Benz allows you on the AMG models to ignore it, as stop/start does not work on any mode save “comfort”, so if you drive in sport, sport+ or individual mode, the s/s goes away.

  • avatar

    I know a couple of people who have vehicles with stop/start and none of them likes it. They have both told me it’s been disabled permanently.

    Think about it, even the least powerful vehicles are decent drivers. Ride comfort and safety are the best they’ve ever been. There are all kinds of infotainment, some done very well. And yet they push start/stop, and you have to disable it every time on some vehicles?

    To the car companies:
    All the complaints would go away if you just made a way to disable it permanently. It’s so simple, so why don’t you do it?

    • 0 avatar

      I have never turned it off in our Pacifica. The only worry I have is the life of the starter. Will it last 150k miles?

      Tele – for a brake stand, just move your foot slightly on the brake and the engine starts back up even though the brakes are still on.

      The system works well enough that by the time your foot is completely off the brake pedal the engine is running. It also does not engage at most stop signs (unless you have to wait for a line of cars), just stop lights.

      • 0 avatar
        Tele Vision

        @ Flipper35

        Thanks for the info – it wasn’t so much about drag racing with a pickup truck ( kinda ) but more for 4X4ing and boat launch ramp retrieval and idiot friend ditch recovery.

  • avatar

    Best news I’ve heard this week. The Start-Stop is a pain in the buttocks, a source of unneeded engine wear and tear and a generally useless “feature”. You cannot permanently disable the damn thing and have to turn it off EACH AND EVERYTHJING TIME I START THE DAMN VEHICLE.

    Hey GM, DO NOT bring back this “feature”.

  • avatar

    Hey GM, you want to further improve your vehicles? Eliminate your trash Onstar “feature”.

  • avatar

    “GM to Remove Stop-Start Tech From Trucks”
    No loss.

  • avatar

    My Wife’s VW Atlas has Stop start, but there is a handy button on the dash to shut it off, but it resets when you park and shut the car off.

  • avatar

    I spent about $200 on each of my three late-model GM vehicles, to get rid of that stupid “feature”. Stop-Start and keyless ignition should both go away.

  • avatar

    Good – stop/start is one of the stupidest ideas to come along in awhile.

  • avatar

    How about a complete facelift? I guess that won’t help with the chip shortage.

  • avatar
    Tele Vision

    Stop/Start = Skip Shift in my opinion. I still chuckle that a $7.00 hack disables a $???,???.00 device. I have a hack on my CTS-V that just plugs into the S/S solenoid on the transmission. No CEL and no skip-shift.

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