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95 thoughts on “No crank no start! killed by door locks 2010 silverado 5.3”
  1. Avataaar/Circle Created with python_avatars Carl Otto says:

    By the way, I find a toothbrush and isopropyl alcohol works great for cleaning PCBs (99% is best). CRC is great for contacts and corrosion as well.

  2. Avataaar/Circle Created with python_avatars Andrew Smart says:

    o yes these "security systems" have made dealers bulk dollars LOL,as have DPF's on diesels that just dont work(vw "dieselgate" and toyota in australia/hilux/hiace) LOL

  3. Avataaar/Circle Created with python_avatars kyzercube _ says:

    Ray wants to see the " unit " 😸

  4. Avataaar/Circle Created with python_avatars Calvin7007 says:

    Fascinating 🤔

  5. Avataaar/Circle Created with python_avatars gordon peden says:

    "Ah Magoo you've done it again." You're the reason I take my vehicles to someone who knows what the hell they're doing. Nice job sir!

  6. Avataaar/Circle Created with python_avatars Doug Vates says:

    Reeeeee you can't do that…. lol

  7. Avataaar/Circle Created with python_avatars Ray Penn says:

    No wire brush on PCB. The surface mount part will flake off. Use a soft plastic brush and 100% Home Depot Alcohol or Circuit solvent. Then Conformal Coat it with Silicon Conformal coating. Put Silicone Grease in the connector.

  8. Avataaar/Circle Created with python_avatars brian shanahan says:

    I Love watching you do youre best Inspector CLEASEAU impersonations for the OWNERS !

  9. Avataaar/Circle Created with python_avatars Russell Styles says:

    How about the leak?

  10. Avataaar/Circle Created with python_avatars Aaron Williams says:

    I'm a strong believer in coating printed circuit boards with a conformal coating. Conformal coatings protect PCBs from moisture. In the case of that PCB, it looks like the traces were eaten away. While it's sometimes possible to repair, you need to know what the traces were, to begin with.
    I design PCBs as a hobby, and any PCBs I have that might be exposed to moisture I coat with conformal. Conformal doesn't add much to the cost, but it should be a requirement for PCBs installed in cars.
    I noticed the PCBs in my 2013 Tesla Model S are protected with conformal.

  11. Avataaar/Circle Created with python_avatars 77 Zrod says:

    Thats funny, When I got my 07 GMC last year w/95k on it I noticed big water stains in the same spots. I wonder if the tsb got addressed already. My key fob w/remote start works fine. Good to know if it goes bad after the extended warranty expires.

  12. Avataaar/Circle Created with python_avatars darkwolfe says:

    You fixed the problem, but what about the cause to the problem with the crappy sealy leaky light?

  13. Avataaar/Circle Created with python_avatars David E.S. says:

    What a bunch of rolling junk.

  14. Avataaar/Circle Created with python_avatars sniperlif3 says:

    With a FOB issue like this, I would start to think of stolen vehicle as an option. I would tell the customer to go to the dealer to fix it as their FOB doesn't match the security of the vehicle. Especially since you saw that the security device was handled. That is a MASSIVE red flag.
    Yes, you saw what looked to be natural, but it was shady at first.

  15. Avataaar/Circle Created with python_avatars Joe Seabert says:

    I put a ice box made by igloo behind my peterbilt and strapped it down over the lid and used the handles as well to tie it down. Drive through a rain storm and water found it’s way inside. Nasty dirty road wash water. Point being when it comes to dynamic air pressure and heavy saturation of water nature will find a way to ruin your lunch.

  16. Avataaar/Circle Created with python_avatars StonyBologner says:

    4th wire is the antennae

  17. Avataaar/Circle Created with python_avatars Austin Lamberson says:

    If you have a tpms tool they can usually test key fobs

  18. Avataaar/Circle Created with python_avatars buixote says:

    I could hear the screams when that drill-mounted brush fired up! 😉 For electronics repair, Rossmann Repair Group does a pretty good job of explaining (and fixing macbooks). Mostly, they clean corrosion with flux and solder. One of their mantras is not to clean the board *first*, 'cause that removes "evidence", that helps you spot exactly where the problem is…

  19. Avataaar/Circle Created with python_avatars Scott Campbell says:

    If Chevy is anything like Ford, to program key fobs, you turn the key on and off until the door locks cycle, in Fords, this happens to be 8 times. When this happens, press any key on the new fob. Then try to lock or unlock the doors. If it works, proceed to the next fob. I have replaced my fobs a few times and this method has always worked for me. The important thing to know is, do all the fobs at the same time. Any that you do not reprogram will not work and you will have to go through the whole programing cycle again.

  20. Avataaar/Circle Created with python_avatars Viking 2121 says:

    You know the worst thing I've ever had to diagnose was a my mom's 2011 Equinox, It would start most of the time, other times it would not, but it would crank, no security light when it didn't start, I reprogramed the BCM, I tried a different BCM, This thing took months to figure it out, and here it was stupid fob, it had the switch blade style fob and something was going on with it and not communicating with the car right, bought a new one and reprogramed it and it was fine, we were real close to just selling it and getting something else, even the dealership didn't have a clue.

  21. Avataaar/Circle Created with python_avatars Drew Barnum says:

    Good find Ray! I'm surprised that a busy shop like yours doesn't have a AcDelco TDS subscription for programming GM modules, as common an issue as it gets to be? That's our daily grind at TAE, an auto electric shop in Va Beach, the destination for every electrical/electronic problem the dealers and other shops can't figure out…. we've seen SO MANY corroded computer modules, CAN bus wire harnesses, data lines… and probably the worst offender is blocked sunroof drains… yup, if drivers with sunroofs only had their drains cleared every so often, they could avoid thousands of $$$ in electronic repairs… it's gotten Cliche around here, if a Mercedes or BMW or VW comes in with electronics issues and/or battery drains… does it have a sunroof?! OH well, they keep us in business!!! Keep up the good work and the most entertaining and informative videos!

  22. Avataaar/Circle Created with python_avatars Judi H. says:

    It's odd the the seam on that CHML seal is located on top where it can fail when it invariably shrinks. Placing the butt joint on the bottom of the fixture would seem to alleviate issues like this leak.

  23. Avataaar/Circle Created with python_avatars Joe Anderson says:

    It was 1155am before it was sent to the dealership and now the clock displays 1254pm. That is the quickest I've ever seen a dealership do anything other than sell a vehicle!

  24. Avataaar/Circle Created with python_avatars Jonathan Deitch says:

    Seen and attempted to fix corrosion easily as bad as that in many pinball and video arcade games.

    It usually doesn't help things.

  25. Avataaar/Circle Created with python_avatars Mister Meval says:

    Of course GM would not coat that module with either good conformal coat or pot the thing into a brick. They used to.

  26. Avataaar/Circle Created with python_avatars Aleksandar Kovačić says:

    BMW can disable immobilazer with bad door handle with comfort access,so you cant start car..

  27. Avataaar/Circle Created with python_avatars Michael Phillips says:

    I believe the 4th wire is the receiver antenna

  28. Avataaar/Circle Created with python_avatars 06acc says:

    Those GM key fobs are junk. I have an 08 Saturn Aura with the same fob and I had to put a shim inside to allow the battery to make contact otherwise it wouldn't work

  29. Avataaar/Circle Created with python_avatars Hans Lueth says:

    You can program the fob on the little control panel to the left of the steering wheel. I've never had that fail.

  30. Avataaar/Circle Created with python_avatars Teri and TL Stanbro says:

    I have a older Ford and apparently just like GM when you get out of your driver’s door everything else stays locked is there a fuse or is there something you can do to make when you open the door everything unlocks because it is annoying as hell and I’m sure I’m not going out there

  31. Avataaar/Circle Created with python_avatars D Sloop says:

    The circuit boards in the remotes develop micro cracks that will cause problems.

  32. Avataaar/Circle Created with python_avatars City Lock a polytechnikey llc company says:

    You were sooo close! Subject to verification, but I believe that module is plug and play. I could not check my resources to be sure. The remote itself is on-board programmed, as detailed in the owners' manual. There are 2 different procedures.

    For vehicles without the DIC, and for the one with DIR ( Driver Information Center controls, which can be the 4 vertical buttons to the right side of the cluster, left side or BOTH sides ( varies by YM on GM ) We do lots of remotes and keys, so your video is excellent, as I got SCHOOLED on one of the failure points I never knew about. I hope you sealed up that brake light with a gasket, or at LEAST one can of flex-seal! Great Video!

    2010 Chevrolet Silverado Keyless Entry Remote


    1. Insert Key and turn to ON position so you can access Driver Information Center

    2. Press the vehicle information button until PRESS TO RELEARN REMOTE KEY displays

    3. Press the set/reset button until REMOTE KEY LEARNING ACTIVE displays

    4. Press and hold the lock and unlock buttons on the keyless remote at the same time until a chime will sound indicating that the remote is programmed. This can take 10-20 seconds

    5. A additional remotes at this time repeat step 4.

    6. Exit programming mode turn key off and remove key.

    Test all remotes


    1. Press the odometer reset until RELEARN REMOTE KEY illuminates

    2. Press and hold the trip odometer reset stem for three seconds. REMOTE KEY LEARNING ACTIVE will display.

    3. Press and hold the lock and unlock buttons on the keyless remote at the same time until a chime will sound indicating that the remote is programmed. This can take 10-20 seconds

    4. For additional remotes at this time, go to step 3.

    5. Exit programming mode. Remove key, open door

    Test all remotes.

  33. Avataaar/Circle Created with python_avatars Dave 365 says:

    My first vehicle with remote locks, one day I pressed the button on the key fob, the door didn’t unlock. I stood there for a bit, now what do I do? How do I get in now? Then it dawned on me, use the key like I used to use on my last car, duh. It was just a bad battery in the fob. 🤪

  34. Avataaar/Circle Created with python_avatars Notko Mermerski says:

    Nylon brush will kill semiconductor components by way of creating high voltage static while brushing. In this particular case it didn't matter since the module was already dead. Do that to the PCB of a working unit and it will work no more.

  35. Avataaar/Circle Created with python_avatars Exalted Emperor Woof Woof of the Woofmourne Empire says:

    Thinking back to recall a very specific bulletin like this is why I would want Ray to be my mechanic if I lived in the area of the shop.

  36. Avataaar/Circle Created with python_avatars Tommy Wood says:

    Love your work. I wish there was more honest mechanics around like you. Thanks you Ray and have a great day. From TN

  37. Avataaar/Circle Created with python_avatars DivideBy Zero says:

    My BMW 550 had all kinds of electrical demons that I was able to track down to some corroded modules. BMW decided the best place for them to be installed was in the trunk, underneath the spare tire at the bottom of the tire well: you know, the place where very bit of moisture that makes it into the trunk winds up. "German quality", my ass!

  38. Avataaar/Circle Created with python_avatars Bill Milosz says:

    Good memory, Ray- you remembered hearing that those high-mount brake lights can leak onto the remote widget module. And, man, that PCB sure was nasty looking.

  39. Avataaar/Circle Created with python_avatars Camouflage Peacock says:

    WHAT! Oh, ok

  40. Avataaar/Circle Created with python_avatars Derpasaurus Rex says:

    Commjnication codes are a annoying I believe they are everyones cryptonite. Its mine also.🤢

  41. Avataaar/Circle Created with python_avatars G. Reaper says:

    The module may very well have come programmed to the two fobs included with it. If he didn't check those first, he just made more work for himself. (The video doesn't show him testing those fobs but showed two fobs being programmed, hence why I say this.)

  42. Avataaar/Circle Created with python_avatars Cliff Collins says:

    What I was hoping to see was you sealing the high brake light so this didn't happen again

  43. Avataaar/Circle Created with python_avatars Reflected Miles says:

    It's amazing how many more crap issues like this, the rear leakage, electronic engine control, etc., my GM trucks seem to have after my 2004 then that one and earlier models. Aren't manufacturers supposed to refine their function and reliability over time?

  44. Avataaar/Circle Created with python_avatars tjo31 says:

    The autel TPMS tool has a remote tester built in I have the 508 it shows frequency and strength, I think I have seen you using one before ? No? Anyway just a fyi

  45. Avataaar/Circle Created with python_avatars ken jackson says:

    1st class Ray ….thanks for sharing

  46. Avataaar/Circle Created with python_avatars Zac Drilling says:

    I can't believe they didn't have you fix the leak and the rear driver's side door Handel. Great vide ray

  47. Avataaar/Circle Created with python_avatars Number 6. says:

    These Silverado's seam to fail a lot. You have a lot of them in the shop.

  48. Avataaar/Circle Created with python_avatars Jerome Cloutier says:

    manufactures need to 100% of the time conformal coat all of their pcb's, this would eliminate a wide variety of these issues. Back in the oil field everything we built and back in the early 2000's we hand built and soldered everything, was always heavily coated, you could run everything under water and never have an issue