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.
2008 Pontiac Wave (CANADA) L4-1.6LFACTORY OEM SERVICE PROCEDURE
Programming Theft Deterrent System Components (Tech 2)
Programming Theft Deterrent System Components (Tech 2)
Important: To confirm if the vehicle has an immobilzer system, please check the vehicle SPID label or the VIN in GMVIS for the presence of RPO BAH (engine immobilizer).
Important: Turn ON the ignition before installing in the scan tool. Failure to connect in this procedure may cause communication errors and the programming procedure will not complete. Any keys that are not programmed at this time will no longer function.
Important: Try to obtain all the keys. At least 2 keys are necessary to successfully program the immobilizer system.
A maximum of 5 keys may be programmed.
Conditions
Use these procedures after replacing:
* Theft deterrent control module (Immobilizer)
* Engine control module (ECM)
* Any key
Immobilizer Programming Procedure
1. Turn the ignition switch to the ON position.
2. Install the scan tool.
3. Select IMMOBILIZER PROGRAMMING FUNCTION from the BODY menu.
4. Follow the scan tool instructions with each key until all keys are programmed.
5. Turn the ignition to the LOCK position, disconnect the scan tool and test all the keys.
6. If any key does not function, perform this procedure again with all keys.
7. If any key does not accept the programming, replace it with a new key and perform this procedure again with all the keys.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
