Troubleshooting Factory Brake Controller Error 0.9 on a 2016 Nissan Titan XD

Question

Question:

I have an interesting dilemma. I purchased a 2016 Nissan Titan XD which has an integrated brake controller. In the owners manual, while not explicitly saying this is a Prodigy P2 it implies it is as the indicators and boost settings specifically call out the settings as Prodigy P2 by name. Based on that, I assume it is a Prodigy P2. I am having an issue with the 0.9 error code only when the trailer is attached. I get the error code when applying the brakes foot pedal and when manually triggering the controller. It will generally blink a few times, then show the brake power as if it were functioning normal. This has just recently cropped up. The first few times I towed the same trailer this issue was not present. There has not been any change to the system wiring. Where should I begin?

asked by: Jerry B

0

Expert Reply:

That is an interesting dilemma; for the Prodigy P2, the 0.9 error is one that will flash a few times a second or steadily display. When this occurs it is because the controller recognizes that the trailer is connected but the P2 loses connection to the battery ground.

First place to start is the connections. I would first check the trailer connector for any corrosion both inside and outside of the connector. Corrosion can cause all type of errors including the 0.9 you are getting. Next I would check all the ground connections on your vehicle not only on the trailer connector in the rear but in the connections under the hood to the battery. For the best ground connection, it should be connected directly to the negative battery terminal. Also check for corrosion on this post. The mounting location of the ground wire should always be on a clean and tightly mounted surface.

If no matter how well the controller is grounded the error message continues to display my contact at Tekonsha tells me that the intermittent grounding problem that you are having indicates an internal problem with the controller, and that the controller should be replaced.

expert reply by: Jackie C

0

Answer 1

The first error code, SH, you are seeing on the Prodigy Brake Controller (instructions linked below) means the brake wire sees a short circuit during idle condition. The second code, OL, indicates an overload condition during operation. For the first…

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Answer 2

First, lets start by resetting the Prodigy P2. With the trailer disconnected from the vehicle, disconnect the brake controller by unplugging the harness from the rear of the unit, and plug it back in. The display will show NC for 15 seconds, and then…

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Answer 3

The code 5.H (flashes 2x per second or a steady display) on the Prodigy P2 #90885 indicates the brake wire is seeing a short during idling conditions. This could be due to dirt or corrosion on the pin connections of your 7-way, so I recommend…

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Answer 4

The 5.H or S.H that you see on your Tekonsha PRIMUS IQ brake controller indicates there is a short somewhere on the brake output circuit when idle, or when the brake pedal is not being pressed. Tekonsha states that this issue can sometimes be caused…

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Answer 5

The brown relay that you are missing powers the 12 volt accessory circuit of the 7-way. If that is not a circuit you plan to use it would not be necessary to install it. The blue relays control the turn signals which it sounds like you may have…

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Answer 6

To determine why you do not have any power on the blue brake output wire, I recommend starting at your brake controller. First, make sure the brake controller is on and receiving power. Most brake controllers have 4 wires, blue (brake output to…

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Answer 7

Absolutely, the three relays attach to the jumper harness that installs behind the passenger side kick panel. The large brown relay provides 12v power to the trailer connector at the rear bumper. It looks like you purchased the 4-pole harness,…

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Answer 8

Electric trailer brakes can work on a trailer that doesn't have a breakaway system. So the answer to your question is no, the breakaway battery would not affect how normal trailer brakes will operate under normal circumstances. The only time the…

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Answer 9

The SH code on the Prodigy Brake Controller, #90885, indicates that while idle, the brake controller is sensing a short in the brake wire. Tekonsha states that some test lights or non-Tekonsha testers can cause this problem. The NC code means no…

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Answer 10

I attached a picture that has a chart with all of the error codes for the Prodigy P2 part #90885 that you referenced. I am not sure what you mean by dashes on the display so hopefully the chart helps you. Feel free to email back with pictures of the…

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Answer 11

The Tekonsha Prodigy P2 Brake Controller #90885 along with the Custom Plug-In Adapter #22292 are confirmed to fit and work well on your 2013 Ford F-150. If the brake controller is not powering on at all, there might be an issue with the black wire…

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Answer 12

I have attached a brake controller installation video on a Nissan Titan for you to check out. It shows exactly where the brake controller harness will be located under the dash. The truck in the video is a 2008 model, but it will be the same for your…

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Troubleshooting Factory Brake Controller Error 0.9 on a 2016 Nissan Titan XD

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