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B0414 Diagnostic Trouble Code Discussion for July 2013

temperature control 1 feedback circuit range

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Trouble Ticket Help Requests for DTC B0414
Help Request Posted
2007 GMC Sierra 2500 HD Classic SL 6.6L No Start
B0414: temperature control 1 feedback circuit range. This vehicle was brought to me as a crank no start condition. After diagnosing the problem I found out that the actual fuel pressure pid while cranking was only 300 psi while the desire pid was 6500 psi. I made sure the fuel system primed up,checked for leaks ...
July 02, 2013