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Dan
Dan, Technician
Category: Chevy
Satisfied Customers: 23591
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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I have code p2149 on my truck it tells me that it is a

Customer Question

I have code p2149 on my truck it tells me that it is a positive voltage relay control circuit relay group 2.what do I need to do to fix it
Submitted: 1 year ago.
Category: Chevy
Expert:  Dan replied 1 year ago.

Hello, my name is***** code sets when the ECM ​detected a circuit fault related to the high voltage circuit to cylinders 2, 3, 5 or 8. The fuel injection control module (FICM) supplies high voltage to each fuel injector on the ignition voltage circuits. This code usually means a injector has failed but would typically set with a specific injector code. If this is the only code your getting it would point toward a problem with the fuel injection control module. Let me know if you have more questions, thanks.

Customer: replied 1 year ago.
I'm also gettingap0202
Expert:  Dan replied 1 year ago.

Then this would point toward #2 injector. Let me know if you have more questions, thanks.