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 MANUALSCHEVROLET2003S10 PICKUP 2D PICKUP, 2.2 H, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 11 (COMPUTER RELEARN PROCEDURES)JEEPSENTRY KEY IMMOBILIZER MODULE PROGRAMMING

2003 Chevrolet S10 Pickup 2D Pickup, 2.2 H, Automatic

Sentry Key Immobilizer Module Programming

2003 Chevrolet S10 Pickup 2D Pickup, 2.2 H, AutomaticSECTION Sentry Key Immobilizer Module Programming

WARNING: This page does not describe the selected car, but rather 120 other vehicles, including the 2002 Saturn Vue, 2002 Saturn SL2, 2002 Saturn SL1, 2002 Saturn SL, and 2002 Saturn SC2. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If the PCM and the SKIM are replaced at the same time, program the VIN into the PCM first. All vehicle keys will then need to be replaced and programmed to the new SKIM.

Turn the ignition on (transmission in Park/Neutral).
Use the DRBIII® and select THEFT ALARM, SKIM then MISCELLANEOUS.
Select SKIM MODULE REPLACEMENT (GASOLINE).
Program the vehicle 4-digit PIN into the SKIM.
Select COUNTRY CODE and enter the correct country.

NOTE: Be sure to enter the correct country code. If the incorrect country code is programmed into SKIM, the SKIM must be replaced.

Select UPDATE VIN (the SKIM will learn the VIN from the PCM).
Press ENTER to transfer the VIN (the PCM will send the VIN to the SKIM)
The DRBIII® will ask if you want to transfer the secret key. Select ENTER to transfer secret key from the PCM. This will ensure the current vehicle ignition keys will still operate the SKIS.

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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.