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P0683

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P0683 Glow Plug Control Module to PCM Communication Circuit
P0683 P0683 code definition The P0683 code indicates that a diesel powered engine (https://www.yourmechanic.com/article/what-is-the-difference-between-a-diesel-and-a-gasoline-engine) (https://www.yourmechanic.com/article/what-is-the-difference-between-a-diesel-and-a-gasoline-engine) has an issue with the glow plug module communication circuit, which has been detected by the powertrain control module or another control module associated with...

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