The engine light and transmission lights are blinking

Very doubtful. The Engine Computer detected a problem, set a diagnostic fault code, and turned the Check Engine light on to tell you. The first step is to have the code(s) read. Many auto parts stores will do that for you for free. The codes will indicate the circuit or system that needs further diagnosis.

You should start with one and follow up with test. I don't see any common denominator on the codes.
Like you, I am not able to find any reference to code 19.

Hello my name is Dave.

You didn't mention if your truck is gas or diesel, if it is a diesel it has the Asian transmission and that transmission has 2 speed sensors for that year. I have a lot of experience with the diesel version of this truck and if you could get back to us as to which one it is it would help us narrow the possibilities.

Either version are known for wiring issues, especially to the transmission. If it is the Asian transmission and your speedometer is not working the output speed sensor that give the speedometer it's signal is on the top left of the rear of the transmission just behind the transmission mount, it's a little tricky but it will come out with out removing the mount, however I would first check that the wire and plug appear to be in good condition, there is a pigtail that has a plug at each end and they are common to rub through and also for the plugs to become brittle and the pins back out.

If you could update us with the engine/transmission you have we will be able to assist you more accurately. We look forward to hearing back from you soon and thank you for using 2CarPros!

Hello,

Lets run the codes first. Here is a guide to help you do so:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please run down this guide and report back.

This is a common problem when the output sensor goes out which is inside the transmission. Here is the instructions to change it out in the diagrams below. Check out the diagrams (below). Please let us know what you find.

An error in the transmission control or sensing system has occurred and the transmission control unit is signalling the problem and a code. You need a scan to retrieve the trouble codes to proceed with troubleshooting.

Here is a guide to help you get started.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please run this test and get back to us so we can continue helping you.

Cheers, Ken

Hello,

Is the speedometer working? These codes come on when the VSS goes out, you can tell for sure if the gauge does not work. The location of the sensor is near the drive shaft output from the transmission.

Please let us know what happens.

Cheers, Roy

The temperature has nothing to do with level. If the light is on right after you start a cold engine, you know it is not overheating yet and you can suspect a defective sending unit or a wiring problem. If the light comes on after driving a while, a problem with an external transmission fluid cooler would be the most likely suspect.

I have seen the input shaft speed sensor cause this issue. Here is the location to so you can check it out. Check out the diagrams (below). Please let us know what happens.