Check engine light is on

Tiny
BRENDA WARREN
  • MEMBER
  • 2005 CHEVROLET MONTE CARLO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
Hooked up to AutoZone meter and it reads error.
Monday, April 29th, 2019 AT 7:18 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Hi Brenda,

This sounds like to me that the splice pack - SP205 has an issue. The way these code readers work is when it is plugged in it communicates with each module to pull the codes. If it reads ERROR and does not pull any code from any module then it is something that effects all modules.

In this same idea, it could be one of the grounds for the DLC, pin 4 or 5.

Please let me know if you have more questions. Here are some guides in the event you want to tackle this yourself. If you are going to and want to bounce some other ideas off me, feel free. Thanks

https://www.2carpros.com/articles/how-to-check-wiring

https://www.2carpros.com/articles/how-to-use-a-voltmeter
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Monday, April 29th, 2019 AT 7:58 PM

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