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P0380 Diagnostic Trouble Code Discussion for June 2010

Glow Plug Feedback Circuit

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Trouble Ticket Help Requests for DTC P0380
Help Request Posted
2003 Chevrolet Silverado 2500 HD LS 6.6L MIL Lamp on, p0380 VIN: 1GCHC23143
P0380: glow plug circuit A malfunction. ... truck is equipped with california glow plug system...keeps setting p0380...did a diag/test with modis and found 1.1 glow plug volts with engine running and modis said it should be .2...called it a bad relay/module truck back the next same exact thing...glo...
June 12, 2010