Duramax LLY | We test ALL the GPCM options so you don’t have to!
Автор: Wrench Wranglers
Загружено: 2025-08-01
Просмотров: 258
Our 2004 Duramax LLY has a persistent P0672 that refuses to go away. This video covers troubleshooting the glowplug, wiring, and the glow plug control module.
Note: We neglected to include in the video that the specification the ECM uses to set an individual glowplug code is based on the circuit resistance for each circuit from module to the plug itself. If the resistance is too high then the code for that plug will be triggered. A high resistance in the glowplug itself, the wiring to the glowplug, or the module internally can trigger this.
For more information on us, what we do, and our projects, see our website at www.tradecraftspecialties.com.
All music courtesy of Fesliyan Studios (www.fesliyanstudios.com)
#wrenchwranglers #duramax #lly #duramaxlly #silverado #2004 #repair #diesel #glowplugs
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