Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
PATS Parameter Identifications (PIDs)
In conjunction with Diagnostic Trouble Codes (DTCs), the PATS Parameter Identifications (PIDs) are a useful tool when diagnosing PATS concerns.
BCMPID Chart
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| KEYS_PROGMD | PATS number of ignition key codes supported | Displays the number of keys currently programmed into the BCM. If unlimited key mode is enabled, this PID only reads 2 regardless of how many keys are programmed. |
| MIN_KEYS_RQD | Minimum number of keys required | Minimum number of programmed keys required. This PID always reads 2. |
PCMPID Chart
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| PATSENABL | Vehicle enable status | Indicates if PATS allows the vehicle to be driven. Must read enabled for the vehicle to be driven. |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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