Problems with the anti-theft systems using the raised-chip key can prevent the car from starting. The wires in the steering column to the ignition lock cylinder tend to break. The the key and ignition lock cylinder must be replaced to correct this condition.Google+
Car Problem Reports
Pontiac Bonneville Car Won't Start Because of Anti-Theft System That Uses Raised-Chip Key
Pontiac Bonneville Problem
Average Mileage: 159,849 mi (100,365 mi - 259,200 mi)
Visitor, 1995 Pontiac Bonneville, 132,000 mi
Auto won't start with new key. Security system lock out. I need to override it. Dealership wants $300 to check and possibly correct. HELP!
Visitor, 1994 Pontiac Bonneville, 160,000 mi
car wont start security light flashing
Intermittent problem with security system prohibiting vehicle from engaging starter. Vehicle starts after 2-3 minute wait.
Visitor, 1993 Pontiac Bonneville, 100,365 mi
car wont start at all all electric comes on but security and abs lights blink as i try to start but no reaction
Visitor, 1994 Pontiac Bonneville, 105,000 mi
car won't start, replaced ignition lock cylinder and still the same problem, looking for ideas
Visitor, 1999 Pontiac Bonneville, 120,000 mi
Same security system issue however I have found that if you hammer on battery terminals, get into the car, wait for security light to go out. And it will start! I don't know why it works but it does. The problem is in the security system as I have a new starter and battery.
Visitor, 2005 Pontiac Bonneville, 250,000 mi
car will not crank at times due to security light coming on. still not fixed have to take care to dealer to get fixed