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P0380 Diagnostic Trouble Code Discussion for March 2008

Glow Plug Feedback Circuit

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Trouble Ticket Help Requests for DTC P0380
Help Request Posted
2003 Chevrolet Silverado 2500 HD 6.6L No Start, MIL Lamp on VIN: 1GCHK29163
P0380: glow plugs. ... this truck and a pile of loss of communication codes, we have checked wiring and relays, but everthing looks ok ! but before we start changing box's, has anyone seen this problem before. the trouble code tree for p1621 leads...
March 11, 2008