Immobilizer Unit & PCM
WARNING: This page does not describe the selected car, but rather 126 other vehicles, including the 1999 Volvo V70, 1999 Volvo S80, 1999 Volvo S70, 1999 Volvo C70, and 1999 Volkswagen Passat. However, it is still accessible from the selected car via links, so may be relevant.
- Cut new transponder equipped key(s), if necessary. Replace immobilizer unit and PCM. Using 1st key, turn ignition to ON position. SECURITY light should illuminate and then go out. Turn 1st key to LOCK position and remove key. SECURITY light should flash in single pulses repeatedly.
- Using 2nd key, turn ignition to ON position. SECURITY light should illuminate and then go out. Turn 2nd key to LOCK position and remove key. SECURITY light should flash in double pulses repeatedly.
- Using 3rd key, turn ignition to ON position. SECURITY light should illuminate and then go out. Turn 3rd key to LOCK position and remove key. SECURITY light should flash in triple pulses repeatedly.
- Repeat step 3) with each new key, up to 8 keys total. Wait 30 seconds, program will quit automatically. After reprogramming is complete, clear DTCs with NGS tester.