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.
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HOMESERVICE MANUALSCHRYSLER2003CONCORDE V6-3.5L VIN MREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULEDESCRIPTION AND OPERATIONFUNCTIONAL OPERATIONSENTRY KEY IMMOBILIZER SYSTEM (SKIS)
2003 Chrysler Concorde V6-3.5L VIN M
Sentry Key Immobilizer System (SKIS)
2003 Chrysler Concorde V6-3.5L VIN MSECTION Sentry Key Immobilizer System (SKIS)
SENTRY KEY IMMOBILIZER SYSTEM (SKIS)
The SKIS is an immobilizer system designed to prevent unauthorized vehicle operation. The system consists of a Sentry Key Immobilizer Module (SKIM) and ignition key(s) called Sentry Key(s) which are equipped with a transponder chip. The SKIM communicates over the Programmable Communication Interface multiplex system (PCI)s network to the Body Control Module (BCM), Powertrain Control Module (PCM), and/or the DRB scan tool. For programming the Sentry Key Transponder and other technical information refer to Powertrain information.
The SKIS is an immobilizer system designed to prevent unauthorized vehicle operation. The system consists of a Sentry Key Immobilizer Module (SKIM) and ignition key(s) called Sentry Key(s) which are equipped with a transponder chip. The SKIM communicates over the Programmable Communication Interface multiplex system (PCI)s network to the Body Control Module (BCM), Powertrain Control Module (PCM), and/or the DRB scan tool. For programming the Sentry Key Transponder and other technical information refer to Powertrain information.
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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.