1. Welcome to Tacoma World!

    You are currently viewing as a guest! To get full-access, you need to register for a FREE account.

    As a registered member, you’ll be able to:
    • Participate in all Tacoma discussion topics
    • Communicate privately with other Tacoma owners from around the world
    • Post your own photos in our Members Gallery
    • Access all special features of the site

2020 Tacoma Electrical Issues

Discussion in '3rd Gen. Tacomas (2016+)' started by Hotel_DelTaco, Jul 8, 2020.

  1. Jul 8, 2020 at 5:22 PM
    #1
    Hotel_DelTaco

    Hotel_DelTaco [OP] @hotel_deltaco

    Joined:
    Feb 1, 2020
    Member:
    #317917
    Messages:
    3
    Gender:
    Male
    Colorado
    Vehicle:
    2020 Tacoma TRD Off-Road DCLB
    •Raptor Lights •Baja Designs Squadron PRO ditch lights •Diode Dynamics interior and exterior LEDs •LEER 180 Topper •Custom Built Bed/Storage Camper Setup •MESO Customs Chrome Delete •Denver Outfitter 4 Pack Rod Vault •ROAM Adventure awning
    Hello TacomaWorld,


    Hoping to get a hand with some electrical issues in my 2020 Tacoma. Only 12,000 miles and 9months old.


    1. BSM system check
    2. Pre Collision System Malfunction
    3. Back up camera not displaying (system will alert if something is close to the rear, just not seeing anything)

    Everything has been working for the 9months great. Around 11,700 is when the problems started. So it starts like this…Every morning I drive to work (20 miles) at about 7/7:30am. Everything is fine. After the car sits in the parking lot and I leave work around 4/4:30pm I get the problems.


    I think it has something to do with the heat, and lately getting 80-100 F out.


    Took it to the dealer once, the guy said nothing was wrong. Sent me home. Three days later I was back at the dealer with the exact same problems. They kept the truck for 2 days. Now they are saying it’s because of the LED bulbs.


    I personally find it hard to believe that a light will cause these issues. Especially since the lights were all replaced the same week I bought the truck. I have a hard time seeing at night, so that is always the first thing Ive done with all my cars.


    I feel like they are reverting to some BS answer to try to get out of holding their end of my extended warranty up so they don’t have to warranty a pricey computer comment.


    Any thoughts and suggestions would be much appreciated. Also if anyone knows any good Toyota mechanics in the Denver/Aurora/Centennial area. I am looking to take it somewhere else for a second opinion. (I pick it up tomorrow morning. I will be requesting copies of all the diagnostics ran and can post copies here too.)
    Screen Shot 2020-07-08 at 6.08.52 PM.jpg IMG_8672.jpg IMG_8453.jpg
     
  2. Jul 8, 2020 at 5:27 PM
    #2
    JaCado

    JaCado I make bad choices

    Joined:
    Aug 29, 2016
    Member:
    #195947
    Messages:
    38,800
    Try a different dealer and show them those pictures or open a case with Toyota
     
  3. Jul 8, 2020 at 5:30 PM
    #3
    caribe makaira

    caribe makaira Well-Known Member

    Joined:
    Feb 13, 2011
    Member:
    #51121
    Messages:
    5,922
    Gender:
    Male
    Caribbean, Puerto Rico
    Vehicle:
    05 PreRunner TRD Offroad AutoTrans
    Hood Struts, My version Fogs always ON, Map & Overhead Light Mod,
    Change back to original bulbs, when the problem duplicates confront dealer with issue.
     
    SR-71A, davidstacoma, jmneill and 4 others like this.
  4. Jul 8, 2020 at 5:44 PM
    #4
    brandon78lusch

    brandon78lusch Well-Known Member

    Joined:
    Oct 22, 2019
    Member:
    #308678
    Messages:
    2,490
    Gender:
    Male
    Lake Norman (Mooresville), North Carolina
    Vehicle:
    2019 TRD Sport DCSB 4x4 AT Super White
    Take it to a different dealership
     
  5. Jul 8, 2020 at 5:47 PM
    #5
    caribe makaira

    caribe makaira Well-Known Member

    Joined:
    Feb 13, 2011
    Member:
    #51121
    Messages:
    5,922
    Gender:
    Male
    Caribbean, Puerto Rico
    Vehicle:
    05 PreRunner TRD Offroad AutoTrans
    Hood Struts, My version Fogs always ON, Map & Overhead Light Mod,
    Second picture looks like EMI...could be correct on the LED cause.
     
  6. Jul 8, 2020 at 5:49 PM
    #6
    JaCado

    JaCado I make bad choices

    Joined:
    Aug 29, 2016
    Member:
    #195947
    Messages:
    38,800
    These 3rd gen really do not like led lights. The voltage checks done by the ecu just freak out at the change.
     
    Mrtacoman88 and shakerhood like this.
  7. Jul 8, 2020 at 5:50 PM
    #7
    J_Anthony_

    J_Anthony_ Well-Known Member

    Joined:
    May 17, 2019
    Member:
    #293545
    Messages:
    1,193
    Gender:
    Male
    First Name:
    RangerIsTheBestTruck.Duh.
    Naomi, Lana

    Lol it’s not the heat bud.

    try taking your LEDs out, and replacing them with stock. If the problem duplicates. Then take it back.
     
    Mrtacoman88 and shakerhood like this.
  8. Jul 8, 2020 at 5:57 PM
    #8
    hiPSI

    hiPSI Laminar Flow

    Joined:
    May 21, 2017
    Member:
    #219544
    Messages:
    8,022
    Gender:
    Male
    South Carolina
    Vehicle:
    2019 Toyota Tundra 4WD Crew Cab 5.7L Limited with TRD Off Road Package and Cement
    I concur. Take out LED bulbs. If it fixes it then you know the problem.
    And I hate to say this but if you have trouble seeing at night you shouldn't be steering a 4600 lb metal missle hurtling down the road at night.
     
    Rj42, Ck1010, Kev250R and 3 others like this.
  9. Dec 21, 2020 at 7:44 PM
    #9
    shakerhood

    shakerhood Well-Known Member

    Joined:
    Aug 9, 2015
    Member:
    #161370
    Messages:
    31,156
    Gender:
    Male
    Southern Ohio
    Vehicle:
    2017 MGM DCSB Off Road, 6 Speed MT, P&T
    Was hoping the OP would have come back and say what the actual issue was.
     
    SR-71A, Chew, Kev250R and 1 other person like this.
  10. Dec 21, 2020 at 10:07 PM
    #10
    Kev250R

    Kev250R Well-Known Member

    Joined:
    May 14, 2020
    Member:
    #328003
    Messages:
    913
    Gender:
    Male
    First Name:
    Kevin
    Orange, So.Cal.
    Vehicle:
    2020 Tacoma TRD Off-Road 6MT
    Floor mats, junk in center console
    I'm betting they moved him into a Pro for his troubles. And set him up with the Dealership Owner's daughter :bananadance:
     
  11. Dec 22, 2020 at 3:14 AM
    #11
    WZ00R2

    WZ00R2 Well-Known Member

    Joined:
    May 18, 2018
    Member:
    #253814
    Messages:
    906
    Gender:
    Male
    TN
    Vehicle:
    2020 Cement OR
    6112/5160, Deaver U402, 255/80r17, SCS BR6
    I'm betting it was those panty droppin raptor lights.
     
  12. Dec 22, 2020 at 3:39 AM
    #12
    gillies66

    gillies66 Just Passing Through

    Joined:
    Aug 18, 2020
    Member:
    #338051
    Messages:
    257
    Gender:
    Male
    Vehicle:
    2020 DCSB TRD OR
    Mmmmm. Yummy dealership owner’s daughter.
     
    Mrtacoman88 and Kev250R like this.
  13. Dec 22, 2020 at 6:04 AM
    #13
    Chew

    Chew Not so well known user

    Joined:
    Mar 6, 2019
    Member:
    #285575
    Messages:
    2,466
    Gender:
    Male
    First Name:
    Chewy
    Midwest
    Vehicle:
    19 TRD OR
    Amazon dog poo bed mat mod
    It would be nice, wouldn't?
    He/she most likely doesn't want to admit all their lights were causing it.
    I'll never understand, Why so many folks around here are so hung up on putting LEDs! in every nook and cranny. It's like they need an LED light to light their LED light switch.
     
    Mrtacoman88, Kev250R, Bushed and 2 others like this.
  14. Dec 22, 2020 at 6:13 AM
    #14
    SR-71A

    SR-71A Define "Well-Known Member"

    Joined:
    Jun 1, 2018
    Member:
    #255145
    Messages:
    5,025
    Gender:
    Male
    First Name:
    Zack
    Southern Maine
    Vehicle:
    2012 DCSB, TX Baja Edition. Barcelona Red
    Mobtown sliders, ARB bar, Icon RXT leafs, extended & adjustable Kings, JBA UCAs, Tepui Ayer 2, dual batteries, Gen2 xrc9.5 winch, CB, GMRS, S1 ditch lights...
    So you're saying I should install LEDs and start harassing my dealership huh? :anonymous: :rofl:
     
    Mrtacoman88 and shakerhood like this.
  15. Dec 22, 2020 at 6:49 AM
    #15
    Hammerma

    Hammerma Well-Known Member

    Joined:
    Aug 23, 2020
    Member:
    #338611
    Messages:
    113
    Gender:
    Male
    First Name:
    Mike
    Vehicle:
    2019 trd sport
    You’re an idiot. As we age past about 25
    Our eyes all degrade for night vision.
     
    danwray and BMH like this.
  16. Dec 22, 2020 at 8:14 AM
    #16
    hiPSI

    hiPSI Laminar Flow

    Joined:
    May 21, 2017
    Member:
    #219544
    Messages:
    8,022
    Gender:
    Male
    South Carolina
    Vehicle:
    2019 Toyota Tundra 4WD Crew Cab 5.7L Limited with TRD Off Road Package and Cement
    I'm 58. My eyes are not as good as they used to be but I can still see fine with stock headlights, so when somebody tells me they have trouble seeing with stock lights at night, that means they are well below average eyesight and probably shouldn't be driving at night. My wife does not drive anymore at night because her eyes don't adjust well.

    Now... a friendly word of advice:
    Making a post like you just did is going to assure your days are numbered as a member of Tacomaworld. Here's the rule.... if you are going to criticize, criticize the post, never the poster.
    Instead of calling me an idiot, tell me that is an idiotic way to look at it. Never attack the poster, just the post.
    You do not know me so you cannot judge me... but you can judge the post. Understand?
    Merry Christmas man and good luck.
     
    Chew, mokeiko, shakerhood and 5 others like this.
  17. Dec 22, 2020 at 9:55 AM
    #17
    Hammerma

    Hammerma Well-Known Member

    Joined:
    Aug 23, 2020
    Member:
    #338611
    Messages:
    113
    Gender:
    Male
    First Name:
    Mike
    Vehicle:
    2019 trd sport
    Maybe next time you can suggest they go see an Opthalmologist instead of telling them they’re unfit to drive.
     
    Kev250R likes this.
  18. Dec 22, 2020 at 10:11 AM
    #18
    jimmerheck

    jimmerheck Well-Known Member

    Joined:
    Mar 21, 2018
    Member:
    #248007
    Messages:
    663
    Gender:
    Male
    Vancouver, WA
    Vehicle:
    2019 Tacoma Limited in white
    I have read plenty of issues here on TW based on LED installs. This trucks electrical system is way too sensitive.
     
    Mrtacoman88, Kev250R and SR-71A like this.
  19. Dec 22, 2020 at 11:53 AM
    #19
    Kev250R

    Kev250R Well-Known Member

    Joined:
    May 14, 2020
    Member:
    #328003
    Messages:
    913
    Gender:
    Male
    First Name:
    Kevin
    Orange, So.Cal.
    Vehicle:
    2020 Tacoma TRD Off-Road 6MT
    Floor mats, junk in center console
    That may be but that seems to be the way things are going in the Automotive world. At work we have a mobile crane on a newer International Chassis. Some of our guys added LED work lights to it to make working at night easier. Somehow the installation of those lights messed-up the CANBUS system and caused all sorts of unrelated problems.
     
  20. Dec 22, 2020 at 12:36 PM
    #20
    mattleg

    mattleg Well-Known Member

    Joined:
    Aug 31, 2018
    Member:
    #264744
    Messages:
    631
    First Name:
    Matt
    Kansas
    Vehicle:
    2020 OR DCSB AT 4WD
    That post didn't follow the advice of this post, any future posts should follow the advice of this post.
     
    hiPSI likes this.

Products Discussed in

To Top