Anti Theft - PATS

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ANTI THEFT - PATS

ANTI-THEFTThe passive anti-theft system (PATS) is available on this vehicle as an option The vehicle must be ordered with or without PATS as per the customer. It is not a dealer-installed option.
PATS vehicles consist of the following components:

- Anti-theft indicator (located in the instrument cluster)
- Encoded ignition key(s) (the key contains a transponder)
- PATS transceiver
- Instrument cluster
- Powertrain control module (PCM)
Non-PATS vehicles consist of the following components:

- Anti-theft indicator (located in the instrument cluster)
- Non-PATS ignition key(s) (conventional ignition key)
- Instrument cluster
- PCM
PATS uses radio frequency identification technology to deter a drive-away theft. Passive means that it does not require any activity by the user.
PATS Function

NOTE:If the instrument cluster or the PCM is being replaced (or both), the parameters must be reset in both modules or the vehicle will experience a PATS no-start. This will occur even if the vehicle is not equipped with PATS. PATS vehicles and non-PATS vehicles have parameters in the instrument cluster and the PCM and they must be reset whenever either (or both) module(s) is (are) replaced. For additional information, see .The PATS function is controlled by the instrument cluster. The PATS uses the instrument cluster to carry out all of the PATS functions such as receiving the identification code from the PATS key, issuing a signal to the powertrain control module (PCM) to control the starter and fuel injectors enable, and initiates the key interrogation sequence when the ignition key is turned to the ON or START position. Because of the interaction between the instrument cluster and the PCM, there are parameters that must be set if the instrument cluster or the PCM (or both) are replaced. For additional information, see - Anti Theft - PATS. If the instrument cluster must be replaced for any reason (PATS concerns or driveability concerns), the PATS keys also must be programmed into the new instrument cluster. See Key Programming Using Diagnostic Equipment. All elements of PATS must be functional before the vehicle will start. If any of the components are not working correctly, the vehicle will not start.
PATS is active only for a few seconds when the vehicle is starting. It is not a PATS concern if the vehicle stalls after it has been running for a minimum of 3 seconds. PATS will not disable a running vehicle.
PATS is not compatible with aftermarket remote start systems, which allow the vehicle to be started from the exterior of the vehicle. These systems may reduce the security of the vehicle, and also may be the cause of no-start concerns. Remote start systems must be removed from the vehicle before any PATS-related no-start concerns are investigated.
Anti-Theft Indicator Operation
With PATSWith the key in the OFF position, the anti-theft indicator will flash every 2 seconds to indicate the PATS is functional. With the key in the ON position, the anti-theft indicator will prove-out for 3 seconds, then go out to indicate the PATS is functional and the vehicle has been enabled.
Without PATSWith the key in the OFF position, the anti-theft indicator will flash every 2 seconds for 10 seconds and then it will go out and stay off. With the key in the ON position, the anti-theft indicator will prove-out for 3 seconds, then go out to indicate the vehicle has been enabled.
Unlimited Key ModePATS contains a feature called unlimited key mode. This feature allows a customer to program more than 8 vehicle keys, if requested. Each vehicle in unlimited key mode is set up with a special unlimited transponder security key code. This allows all the customer vehicles to share the same mechanically cut keys. For an individual customer, any randomly selected security key is acceptable. For additional information, see - Spare Key Programming - Unlimited Key Mode.