DTC P1260

I have been getting the DTC Code P1260. I am having trouble finding out what this code means. One website said it was the transmission output sensor so I replaced that sensor and the code appeared the next time I started the truck.

Some sites say it is a passive vehicle theft fault.

The check engine light comes on with two P1260 codes and the traction control light is on. I clear the codes and the truck goes into test mode for a drive cycle.

The problem seems to happen on a cold start and is immediate. The truck starts but I am afraid to drive the truck with the check engine light on because if it is a speed sensor it could cause the transmission to shift wrong. After clearing the two P1260 codes the truck runs fine with no issues that I can detect.

This is the first time I have not been able to find a DTC code. Most of the P1260 codes are for Ford trucks and are for the passive anti theft system, the rfid chip in the key.

Does anyone know what this P1260 code is. My tundra is the double cab with 4.6L v8 automatic transmission. The model is listed as Base.

Strange problem, even stranger that I cannot find an answer. I searched the forum and found no instance of P1260.

 

It is the PATS (passive anti theft system), everywhere i look says the same thing. Try turning the key on and then leave it for a few minutes, or until the theft light stops flashing. Then start the vehicle. This will reset the system if the transceiver in the column is working.

Could be wiring, the chipped key or other issues in this article:
https://www.fixya.com/cars/t26010978-code_p1260_mean_fix

Luck.

 

Thank you for answering. I have a couple of spare keys I will try your procedure and another key. Maybe my old key is failing. Certainly hope it is the key and not the wiring.

This tundra does not have an alarm system but all have the anti theft key.

The article refers to Fords. The toyota codes were not found on any toyota dtc code sites

 

CEL codes in the 000-1999 are usually generic across makes and models, the ones above 2000 are manufacturer specific. Luck.

 

I tried turning the key to the on but not started. I will have to see if the code comes back. I hope it is just the anti theft system and not something else. I had a spare key in a magnetic box that I was going to exchange my main key with but I could not find the magnetic box. The magnetic box must have fallen off. The key inside the box was about $99 from Ace Hardware. I have the original key and a gray valet key so I will have to go back to Ace and get another key made. I have driven the Tundra about 12,000 miles trouble free and this is the first issue I have had. I bought the truck from my son-in-law that bought it new. There is only about 75,000 miles on it so I hope it will last the rest of my life. I replaced the power steering fluid this week and will be ordering new coolant so I can replace that because it is probably the original coolant.

I am still concerned about the lack of information for a Toyota Tundra on this DTC code. I found mention of Ford F150 but nothing about Tundra. I looked at about 10 sites about Toyota DTC codes and could not even find P1260. Hundreds of other codes. I am considering buying an Autel Scanner so I can diagnose my and others cars but the $750.00 price tab is hard to justify with the reliability of a Tundra.

Thanks for answering me on the forum.

 

An inexpensive scanner will tell you the same thing (codes) which you can look up on web/manuals.

The expensive scanners go further by telling you the details (which you can find on web) and trying to provide solutions, same thing.

I did see a p1260 for a toyota yaris, it probably isn't a very common code. Good luck!