Does the 2002 gt only have one computer? Seen that they list a couple modules?

Asked by Jun 25, 2015 at 04:56 PM about the 2002 Pontiac Grand Am GT

Question type: Maintenance & Repair

Think the person who replaced my thermostat shorted out some of my sensors.  I have
twice as many codes showing up now. And another shop says it sounds like its the
computer.

3 Answers

60,775

The computer that controls the engine and turns on the service engine soon light if there's a problem is called the PCM (Powertrain Control Module). There are other computers in the car that have nothing to do with running the engine. Such as the anti-lock brake system (ABS) computer and the airbag system (SRS) computer. HTH. -Jim

When I had my car repaired after a lady hit me at a stop light 3 years ago, the SRS light intermittently turned on. It stayed off for about a year and then, without any cause returned several months ago. Is there any way to fix it without a lot of cost? Also, my ABS light turned on a couple of days ago but is now off. Any suggestions or do you think it is fine. And my starter module is now causing me issues. I have a 2000 SC Pontiac Grand Prix.

I have intermittent issues with my key sticking in the ignition as well. If I could afford a new car; I would get one. When it rains it pours.

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