GMC Sierra Computer Read Codes

Browse GMC Sierra Computer Read Codes questions and answers. Choose a question that matches your symptoms.

4 discussions

2003 GMC Sierra Reset

2003 GMC SIERRA

I Just Want To Know How To Reset The Computer Module?

1 ANSWER

Asked by tat13

2001 GMC SIERRA

I Keep Getting The Cel P1133 And The Truck Runs Like Garbage. Bank 1 Sensor 1 Keeps Going Out. I Have Replaced It 7 Times In 6 Months With...

9 ANSWERS

12 IMAGES

Asked by QAZZYMOTA420

2000 GMC SIERRA

I Have Like 5 Different Codes Like 226, 225,221,222,and 265. What Do I Have To Do To Get Ride Of These Codes.

1 ANSWER

Asked by wazoo787

1995 GMC SIERRA

I Am Getting A Esc Module Code But It Is New Computer Is New All Sensors Are New. It Will Run Okay And Sometimes It Surges While Under...

23 ANSWERS

1 IMAGE

Asked by Joshbasler 808

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