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P2149 Diagnostic Trouble Code Discussion for December 2019

Injector Positive Voltage Relay Circuit Group 2 (Injectors 6 & 7)


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Trouble Ticket Help Requests for DTC P2149
Help Request Posted
2005 GMC Sierra 3500 SLT 6.6L MIL Lamp on VIN: 1GTHK33295
P2149: Injector Positive Voltage Relay Circuit Group 2 (Injectors 2, 3, 5 & 8). ... after worm up, starts to run bad. limp mode. Need wire diag. to help him. I am retired do not know where to get wire diag. Has code P2149. My friend is 100 miles from me. He has some background in repair. Thank so much.
December 29, 2019