- Faulty Fuel Injector 3
- Fuel Injector 3 harness is open or shorted
- Fuel Injector 3 circuit poor electrical connection
Tech notesThere is a factory service bulletin for the following models:
2004-2005 Chevrolet Kodiak
2004-2005 Chevrolet Silverado
2004-2005 GMC Sierra
2004-2005 GMC Topkick
Chevrolet and GMC Factory Service Bulletin OBDII Codes P1223, P1226, P1229, P1232, P1235, P1238, P1241 or P1244
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine Misfire
- Rough Running
P1229 Gmc DescriptionInjector 3 Output Circuit is the generic description for the P1229 Gmc code, but the manufacturer may have a different description. Currently we have no further information abouth the P1229 Gmc OBDII code. Please post your question on our "Questions" section for more information: AutoCodes.com Questions.
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P1229 GMC CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1229 Gmc code? Have you replaced any parts?
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