0
The PCM is the brains of the drivetrain. it tells the transmission when to shift, the spark plugs when to spark, how much fuel to inject, among many many other functions. if it has to do with making your wheels turn and is controlled by computer, the PCM does it. and in modern cars, pretty much everything is controlled by the computer.
Still curious? Ask our experts.
Chat with our AI personalities
DevinI've poured enough drinks to know that people don't always want advice—they just want to talk.
Chat with Devin
ProfessorI will give you the most educated answer.
Chat with Professor
BeauYou're doing better than you think!
Chat with BeauAdd your answer:
Earn +20 ptsQ: What is the purpose of a power control module in a vehicle?
Write your answer...
Submit
Still have questions?
Trending Questions
Where is your ignition relay on 1994 gmc?
Foreign cars that start with an m?
Can you look up your VIN on your car to tell you about your engine?
How many square feet can a 2 hp air conditioner cool?
Why wont your 700r4 transmission shift into reverse?
What were grab and go auctions?
Do you get points for a seat belt violation in Maryland?
What is the average speed of a sedan?
What happens if you dont let your car warm up when its cold outside?
Is the pure premium equal to the number of claims reported?
What was the average car price IN 1984?
What year gm casting no 8884812?
How long do you have to pay a traffic ticket for running a red light in Texas?
Can a person submit an auto insurance claim after she was paid for half of the damages and then she decides to make a claim?
How do you fix your toy car?
In California can you immediately cancel your car insurance if the car is repossessed?
What is the General Electric mission stament?
When renting a car in Ireland do you need an International Licence?
Can you drive a used car home without tags in Kentucky?
What services does a car wash company generally offer?
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.