Why is my Pats key not working on my car?

Devices that power up the PCM without powering up the PATS Control module can experience no-start concerns. Items such as foil stickers, brass key tags, other PATS keys, and other transponders used to purchase gasoline or other metallic objects can cause interference with the PATS key.

Can a PATS system cause an alarm to go off?

PATS will not cause the alarm to go off. Remote Entry/Keyless Entry problems: PATS is completely separate from the Remote Entry/Keyless Entry systems. There is a no-crank problem on vehicles without PATS starter disable. Check Table 1, for presence of Starter Interrupt.

How to relearn Pats ignition key code program?

Cycle key 1 to RUN. Select “Ignition Key Code Erase.” Disconnect Tool and leave key in RUN for 20 seconds. Cycle key 1 to OFF, then RUN, and back to OFF. Cycle key 2 to RUN. Cycle an unprogrammed key in ignition to RUN. Enter Security Access on the PATS control function module. Select “Ignition Key Code Program.”

How to relearn Ford Passive Anti-Theft System ( PATS )?

Replacing PCM only — A or D type PATS If only the PCM is being replaced on a PATS control function type A or D vehicle, no relearn is required (please refer to the Ford PATS chart to determine PATS type). Simply put the original key in the ignition, turn to ON or RUN and wait for 20 seconds. Then turn the key off and start vehicle.

How to solve Ford Passive Anti Theft System PATS trouble?

There is no communications with PCM ; PCM will always communicate on the diagnostic link regardless of theft status. (Investigate PCM system) Engine stalls on road: Once the engine runs for one second, PATS CANNOT disable the engine. Running stalls are not PATS issues.

Is there a no crank problem with Pats?

There is a no-crank problem on vehicles without PATS starter disable. Check Table 1, for presence of Starter Interrupt. PATS Theft Indicator flashes every 2 seconds at Ignition OFF. This is normal operation for PATS to act as a visual theft deterrent. (See chart on reverse side for applicable system.)

Where is the key code stored in the PATS system?

The key code data is stored in the PATS control module. The PATS control module compares the received key code and validates or rejects the key code. If the key code is correct, the PATS control module sends a signal to the PCM to enable the fuel pump and injectors.

How can I learn how to disable Ford PATS system?

How can I learn how to disable Ford pats system to get around the pats system? The first thing you need to do is go to the local dealer and have the keys cut. By getting the keys cut, the new keys will match the original key. This way, you can safely put the key inside the ignition and turn on the engine.

What are the different types of Pats keys?

B1600: Non-PATS key or damaged key. B1601: Unprogrammed encoded ignition key detected (leave ignition on for 20 seconds before trying a programmed key, in Anti-Scan Mode). B1602: Partial detection of encoded ignition key.

Where can I find the Pats Key System?

Additionally, PATs can be found on the follow Ford family cars and mini-vans: Following are the instructions for programming a blank key (you must have at least one working key for this procedure). 1. Make sure you have both keys. 2. Turn on car but don’t start. Watch “theft” indicator untils it goes out. 3.

How does the Pats key work on a Ford truck?

PATS Key System Programming. Many Ford trucks, vans and suvs use PATs (passive anti-theft) keys. These keys prevent someone from copying your key to a blank and using the blank. There is a small chip in the key which the vehicle must recognize before it will start. The PATs key is used on the following Ford family trucks and suvs:

Why is my Pats key not working on my car?