DTC codes / P06xx · Computer and output circuits / P0672
P0672 indicates that the engine control module (ECM) has detected an open circuit or excessive resistance in the glow plug circuit for cylinder 2. This code is specific to diesel engines that use glow plugs to aid cold starting, and it means the ECM is not seeing the expected current flow through that particular glow plug.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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