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P2146 Diagnostic Trouble Code Discussion for April 2015

Injector Positive Voltage Relay Circuit Group 1 (Injectors 1 & 4)


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Trouble Ticket Help Requests for DTC P2146
Help Request Posted
2005 Dodge Ram 2500 Laramie 5.9L No Start
P2146: bank 1 high low circuit. ... engine lite on concern. diag no communication from pcm/ecu. test circuit and even test same pcm on known good truck. still failed. test circuit good. customer supplied own cheaper pcm and had to reflash skim code error. veh now communicates but still crank...
April 30, 2015