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DTC codes / P06xx · Computer and output circuits / P0672

P0672Cylinder 2 Glow Plug Circuit

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.

SystemPowertrain
Code typeGeneric (all makes)
SeverityLow
Fix difficultyIntermediate
AreaComputer and output circuits

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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