OBD-II DTC · SAE J2012

P0682

Cylinder 12 Glow Plug Circuit

Misfire → Do NOT suppress

What P0682 means

P0682 is a standard SAE J2012 powertrain diagnostic trouble code with the defined meaning: Cylinder 12 Glow Plug Circuit. This is the OEM-agnostic definition; specific manufacturer interpretation may add detail (subsystem, bank, sensor location) but the core meaning is consistent across all OBD-II compliant vehicles since 1996.

Can this code be suppressed via ECU tuning?

Should NEVER be suppressed. Misfires indicate genuine combustion issues (ignition, injector, mechanical). Suppressing them risks engine damage.

Related codes in the P06xx family

P0600P0601P0602P0603P0604P0605P0607P0609P0610P0611P0612P0613

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