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Expert Answers about Toyota Tundra


  • Troubleshooting Hopkins Trailer Brake Controller That Does Not Show Connection to Vehicle
  • If applying the manual over-ride lever on your Hopkins trailer brake controller, such as the Agility # HM47295, sends brake power back to your Tundra's 7-way then you know the circuit is functioning. You can test by having a helper press the lever (with the controller set to maximum output) while you apply a circuit tester like # PTW2993 to the trailer brake circuit's pin, the one at the 5:00 position as you view the vehicle socket. Please see the linked photo. If your test indicates brake...
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  • Troubleshooting Furrion Unismart Remote Control FR34FR
  • First, make sure you are using Furrion Unismart Remote Control # FR34FR with a Furrion TV manufactured after 2016 since this remote is only compatible with such TVs. It is possible that your Furrion TV is not compatible since the remote does not work with every single Furrion TV. You may want to give me your model number so that I can verify with the manufacturer if it will work and also determine a few diagnostic steps.
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  • Finding Stoplight Circuit Switch for Installing Brake Controller on a 2001 Toyota Tundra
  • We have heard that the stoplight switch on your 2001 Toyota Tundra can be difficult to access. Normally you would need to find the right wire and then use a quick splice like part # SWC501746-1 to tap into the circuit. Since the cold circuit of the brake stoplight switch is difficult to access, the third brake lamp circuit can be used. The circuit that feeds the rear of the vehicle is typically in a harness ran under the door thresholds, which are pretty easily removed. You would then...
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  • Correct Wiring Harness for Installing Curt C51170 Spectrum Brake Controller on 2013 Toyota Tundra
  • The Curt # C51451 wiring harness isn't the correct harness for your 2013 Toyota Tundra. For your Tundra, you'll want to use # C51362 which is the correct harness for you truck. If you click the provided link, you can see an install video as well as a demonstration video showing how the Curt # C51170 Spectrum brake controller works.
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  • Troubleshooting OL Code on a Prodigy P2 Brake Controller on a 2014 Toyota Tundra Limited
  • The OL code that you are seeing on your Prodigy P2 brake controller indicates that the brake controller is seeing an overload. Possible causes for this are a short on the electric brake wire or a poor ground connection. The first and easiest step is to inspect the trailer connector on the truck and trailer for any corrosion. If you see any green or white residue on the pins, that could indicate that corrosion has spread into the connector as well. You will want to repair or replace the...
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  • Troubleshooting Turn/Brake Signals on Trailer with New 4-Way and 5 Wires
  • It sounds like your trailer has a wishbone wiring setup that uses a separate running lights circuit wire (brown) on each side of the trailer. In terms of standard trailer wiring colors it appears that you have wired the new 4-Way correctly, the issue might be that your trailer simply doesn't use standard wire colors for its lights. This can happen on older trailers that have maybe had a couple owners or even new ones that were the victim of some "creative" wiring at the factory. Determining...
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  • Does Curt Trailer Wiring Harness for 2001 Toyota Tundra Have Fuse
  • The only fuse of the Curt trailer wiring kit part # C55738 is in the red fuse holder you referenced. Most likely if your fuse is good but it's still not working the problem is the converter box. You can test this with a circuit tester like # PTW2993. If there is voltage on the input side of the box when taillight circuits are applied but none on output side the converter box is fried and is in need of replacing the entire kit since they are not available separately.
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  • Troubleshooting Brake Controller and Poor Braking on Trailer Towed by 2018 Toyota Tundra
  • The three main things that could be causing your issue are: 1) Insufficient brake adjustment. The adjusters should be turned 'out' until you can't turn the wheel by hand when it's jacked up off the ground. Then the adjusters should be backed off by 10 or so clicks so there's still a slight drag from the brake shoes. 2) The brake shoes should be broken in correctly or 'burnished'. This is done by applying the brakes 20 to 30 times to decrease the speed by 20 mph. Example, once reaching...
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  • Troubleshooting Prodigy P3 Without a Display
  • We have heard of this issue before with the Prodigy P3 Trailer Brake Controller # 90195. What Tekonsha has told us is that to remedy the lack of a display you will need to reset the brake controller. To do this you will need to unplug the trailer, and then unplug the harness from the controller and wait about 30 seconds or so. After plugging it back in the display should return.
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  • Troubleshooting Trailer Brakes Locking up when Trailer Connector is Connected to 2005 Toyota Tundra
  • It sounds like you have the trailer connector on your 2005 Toyota Tundra or trailer wired incorrectly, or there is a short from the 12 volt accessory circuit to your brake output circuit and that is causing your trailer brakes to lock up. The first thing I would do is check the back of the connectors on your vehicle and your trailer and see if there is any obvious things that could cause the short. Next, I would check that the 7-way on your trailer is wired correctly. Check out the picture...
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  • Curt TriFlex Brake Control Shows Settings When Not Connected to Trailer or Locks Up Trailer Brakes
  • It sounds like the sensitivity is set high. The closer the sensitivity lever is to the driver, the more aggressive the brakes will be. There could also be a short in your vehicle side trailer connector. Check the vehicle and trailer side connectors for any dirt or corrosion inside and out. A short could cause some of these problems and others. Another possible problem is how the controller is mounted. The controller can only be mounted 70 degrees nose up or 20 degrees nose down. The...
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  • How To Install Weight Distribution System on Trailer Frame Tongue With Propane Tanks Installed
  • I have a solution for this problem. As you have explained, sometimes trailer frame mounted accessories can interfere with the installation of weight distribution and/or sway control. The good news is there is a product that allows you to hang the spring bars without interfering with those accessories. Take a look at the Chain Hangers for Reese Weight Distribution Systems - Bolt On, # RP58305. You will be able to mount these hangers in the appropriate position to correctly install the...
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  • Trailer Lights Go Out When I Apply Brakes on Tow Vehicle 2002 Toyota Tundra
  • It sounds like there is a bad ground connection somewhere on the trailer because your lights are working when they are not put under a load. Whenever your tail lights are on and then you apply the brakes, the system is under max amp load, and with a bad ground the lights cannot support all the amps. I would start by checking the ground connections of the tail lights on the trailer to make sure there is a good connection to a clean metal surface. You will also want to inspect the wires to...
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  • Truck/Trailer Brake Lights Come on with Trailer Connected and not Using Brakes, 2001 Toyota Tundra
  • From what I have been able to gather, the 2001 Toyota Tundra did not come with a tow package that included trailer wiring connections. This could mean that it was done aftermarket and could have been wired incorrectly by a previous owner. Or there could be a bad ground issue causing the malfunction. I recommend checking the ground connections on the truck and trailer side connectors. They will need to be clean and free of corrosion. I spoke with one of our installers about this problem....
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  • Lippert Smart Jack Operated Slowly and Blew a Fuse then Started Working After Manual Operation
  • With a lot of new trailer jacks they can start off stiff for some reason including the Lippert Smart Jack # LC285318. Usually manually running them up and down once or twice is enough to "break in" the jack. What probably happened with the fuse is the jack motor was trying to overcome that stiffness and in the process over drew power from the battery causing the fuse to blow. It is unlikely that you will have the problem again.
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  • Troubleshooting Short Reading for Tekonsha Primus IQ Brake Controller
  • Troubleshooting a "short" reading from the Tekonsha Primus IQ # TK90160 actually isn't that uncommon and that code in and of itself is a lifesaver because it informs you that something is going on with the connection from the brake controller to your trailer brakes. Since you've had the trailer side tested this means that the issue lies with your tow vehicle wiring. If your Pigtail Adapter # 3040-P shows constant power on the black wire and then power on the red wire when the brake pedal...
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  • Trailer Brakes Won't Work with Manual Override Using Curt Echo Smart Phone App
  • I spoke with my contact in the Tech Services department at Curt Manufacturing who recommends deleting the Echo app from your phone, clearing the cache on your phone's internet browser, then reinstalling the app. This should fix the issue you're experiencing.
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  • Troubleshooting Error Code of 2016 Toyota Tundra After Bypassing Factory Controller
  • That issue is going to be fixed by unplugging the vehicle battery for a minute then plugging it back in. Your factory brake controller's error messages were connected to the dash display you have on the truck so since the controller is no longer connected it's sending a fault message to the dash of your truck.
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  • Brake Control Connection Light Not Working When Trailer is Connected to a 2006 Toyota Tundra
  • It sounds as if the ground wire for the brake controller is not making a good connection. I would try finding a good ground location to connect the extra ground wire that is installed on the brake controller wiring harness, # 3040-P. This harness requires the additional ground wire because the Toyota vehicles it works with have weak ground systems and need the extra help. When you are testing with the test light, the brake controller is sensing a completed circuit and the amperage draw...
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  • Troubleshooting Curt Echo Brake Controller Activating with 4-Way Hazzard Lights On
  • The Curt Echo Wireless Trailer Brake controller # C51180 energizing when your 4 way flasher is on sounds like a software issue to me. The installation instructions which are attached show this and I've added a photo to show you the screen where this is adjusted to prevent that issue.
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