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21/01/2021 8:31 pm
Topic starter
Hey Scotty I got a 2001 GMC Sierra 2500 HD TRUCK HAS 210k miles code po 380. What should I do to fix this what should I check for? Thanks
2 Answers
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22/01/2021 12:26 am
Potential causes for this DTC may include:
•Fault in glow plug wiring (open, short to ground, etc.)
•Glow plug faulty
•Open fuse
•Faulty glow plug relay
•Faulty glow plug module
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22/01/2021 12:16 pm
Here is a good site to go whenever a code pops up: background, causes, and troubleshooting listed there. Try those and let us know if it still persists.
https://www.obd-codes.com/p0380
