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2003 Silverado 2500HD 6.6 P0380 Error Code

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Old Jan 23, 2020 | 12:48 PM
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gmayoman
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Default 2003 Silverado 2500HD 6.6 P0380 Error Code
I have an error code of P0380 on my 2003 Silverado 6.6. My mechanic has checked every glow plug 4 times, replaced the glow plug module (with two different new modules) and we just replaced the PCM. The engine light still will not go off.
Any suggestions?
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Old Jan 27, 2020 | 12:16 PM
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Siggy3
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Check for any open fuses, if you have not already, including you air intake heater grid fuse.
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