Should Prodigy P2 Brake Controller Show Two Dots on the Display When Not Connected to Trailer

Question

Question:

I installed the tekonsha p-2 on my 2016 jeep grand cherokee and it was easy. The problem I have is that the dots on the screen stay lit even when the car is off and no trailer is attached. Is this normal

asked by: Jay C

0

Expert Reply:

What you described is perfectly normal. When not connected to a trailer the Prodigy P2 part # 90885 will show two dots like you described. After a period of inactivity the controller will go into sleep mode. It doesn't turn off with the vehicle because in an emergency situation if your tow vehicle were to somehow shut off you'd still want the controller to work.

expert reply by: Jameson C

0

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Trevor

1/10/2021

What if the 2 dots don’t go off. Is there a problem

Jon G.

1/14/2021

How long are you talking for? The Tekonsha controllers tend to have about a 15 minute timer when it comes to inactivity before they go to sleep completely. What you'd need to do is get out of the vehicle and then 15 minutes later go and peer through the window without touching the vehicle to see if those dots are still on. If you were to open up the door then the controller would likely sense movement and come out of sleep mode.

Matt B.

4/16/2024

@johng if decimal lights remain on and don't shut off is this ok or will it drain batterywith no key in ignition switch matt barber what could be wrong if anything

Jon G.

4/16/2024

@MattB Are they on longer than 15 minutes?

See All (7) Replies to Trevor ∨

Answer 1

Since you do not have a factory trailer wiring you will need to start with a 4-way (if you do not have one). For that you would want the #C55317. If you don't tow a trailer with brakes all you would need at this point to convert a 7-way is…

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Answer 2

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 3

The reason you would not want to install a 30 amp fuse or circuit breaker in a 4 brake magnet application, when installing a Prodigy P2 brake controller, #90885, is that the extra amperage required to break the circuit could cause an issue with the…

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Answer 4

That will depend on the amount of brake axles your trailer has. . The 20 amp breaker like #9506P is for 1 and 2 axle brakes, and the 30 amp like part #38630 is for 3 and 4 axle brakes

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Answer 5

Those definitely look like Prodigy P2 #90885 troubleshooting codes! You can verify this if the numbers you are seeing are blue. If they are red then this means you have the discontinued Prodigy P1 90185. Regardless of which one you have, the…

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Answer 6

The issue could be a wiring issue or a faulty brake controller. The red light should only come on when you step on the brake pedal or when you push the manual override lever, with or without a trailer connected. The first step I would take is to make…

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Answer 7

The nc code on the Tekonsha Prodigy brake controller indicates that no trailer is connected. When you step on the brake pedal though it should still say that the trailer is not connected. It is possible that there is a short being caused by a dirty…

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Answer 8

If your 2014 Ford E-350 Van came with a factory installed 7-Way trailer connector then all you would need is the brake controller and the wiring harness. The harness you referenced, #3034-P, is correct for your van and Tekonsha brake controllers such…

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Answer 9

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Answer 10

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Answer 11

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Answer 12

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Should Prodigy P2 Brake Controller Show Two Dots on the Display When Not Connected to Trailer

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