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GMC
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Trouble Codes
P Codes (Powertrain)
P0400 - P0499
GMC P CODES (POWERTRAIN) P0400 - P0499
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Found 27 results
Select a filter to limit the results
P0404
P0410
P0418
P0420
P0430
P0440
P0441
P0442
P0446
P0449
P0452
P0453
P0455
P0463
P0495
P0499
Cannot Erase Code P0449
Last Year I Replaced The Evaporative Emission Control Solenoid, And The Code Was Gone And Now It's Come Back. Can You Plese Send Me A...
Asked by
Aggie826
·
5 ANSWERS
7 IMAGES
2008
GMC SIERRA
VIDEO
Is it Safe to Drive Check Engine Light?
Instructional repair video
GUIDE
Check Engine Light
Why is my check engine or service engine soon turned on? In this guide we talk about what this is associated with this notorious light, what it is used for and what you...
Code PO420, Emission System?
Po420 Code, Check Engine Light Came On A Week Ago. I Put A Bottle Of Cataclean And Seemed To Help. No Check Engine Light For About A Week....
Asked by
badboyrod
·
11 ANSWERS
14 IMAGES
2020
GMC TERRAIN
Trouble Codes P0499 And P0455
I Bought The Truck Listed Above Used And Within A Few Months The Check Engine Light Came On. I Pulled The Codes And They Were P0499 And...
Asked by
DeepVet
·
3 ANSWERS
6 IMAGES
2009
GMC SIERRA
Code PO449?
I Have The Truck Listed Above. It Started Sputtering, Hesitating, Not Shifting Right Like It Had Bad Gas. We Went To O Reilly's, And...
Asked by
Leahreneeb
·
2 ANSWERS
5 IMAGES
2009
GMC SIERRA
VIDEO
How to Read Trouble Codes
Instructional repair video
Codes P018D, P0300, P0446, And P0463
Sorry, This Is So Long. We Are Desperate For Ideas. These Are The Events That Have Taken Place. The Gas Gauge Stopped Working A Few...
Asked by
7eleven
·
5 ANSWERS
8 IMAGES
2015
GMC ACADIA
Po442 Evap Small Leak
Already Replaced The Purge Valve And Also The Vent Valve. Put A Hundred Miles On It Pop Back On Again. I Know I'm Looking At The Filler...
Asked by
AJcustoms
·
1 ANSWER
5 IMAGES
2005
GMC ENVOY
GUIDE
Check Engine Light Safe to Drive?
We are a team of ASE certified mechanics that have created this guide to help you understand if your car is safe to drive with the check engine or service engine soon...
Missing Part Or Parts For EVAP System, Code P0449
I Need Help Identifying What Parts I Need. All Information Online Is For Yukon Xl 1500 Or Other That Do Not Match My 2004 Yukon Xl 2500....
Asked by
nicavery
·
1 ANSWER
3 IMAGES
2004
GMC YUKON
Trouble Code P0430 Is It Bad Cat. Or Sensor
P0430 Says Catalyst System Efficency Below Threshold Bank 2.
Asked by
LOUGAR
·
4 ANSWERS
2002
GMC YUKON
Code PO410
I Had A Code Po410. Where Is The Location Of The Secondary Air Injection Pump On My 2004 Gmc Envoy With The 4.2l Inline 6? Thank You
Asked by
Jerry Stoltz
·
2 ANSWERS
2 IMAGES
2004
GMC ENVOY
Error Code P0420
My Vehicle Feels Like It Is Stuck At 3,000 Rpm's And 40 Mph And When I Push Harder On Acceleration Pedal It Will Slowly Climb Past 3000...
Asked by
Johnjrangel
·
2 ANSWERS
3 IMAGES
2009
GMC ACADIA
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