# What is the 2005 Pontiac GTO “system check”?

**URL:** <https://community.cartalk.com/t/what-is-the-2005-pontiac-gto-system-check/120489>\
**Category:** Maintenance/Repairs\
**Tags:** gto, pontiac\
**Created:** [July 6, 2018, 6:36pm UTC](https://community.cartalk.com/t/what-is-the-2005-pontiac-gto-system-check/120489 "2018-07-06T18:36:16Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![LouFols](https://avatars.discourse-cdn.com/v4/letter/l/c4cdca/32.png) [@LouFols](https://community.cartalk.com/u/LouFols)\
**Post date:** [July 6, 2018, 6:36pm UTC](https://community.cartalk.com/t/what-is-the-2005-pontiac-gto-system-check/120489/1 "2018-07-06T18:36:16Z")

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On 2005 GTO, what exactly does the SYSTEM CHECK do?  
I have the full service manual and nothing is mentioned?  
Thanks  
Lou

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [July 6, 2018, 7:56pm UTC](https://community.cartalk.com/t/what-is-the-2005-pontiac-gto-system-check/120489/2 "2018-07-06T19:56:28Z")

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The car is “checking the system”… or is that too obvious?

You home computer doesn’t just start right up with a blink, now does it? Neither does the computer in your car.