Code No. P0683: Glow Plug Communication


DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Condition
  • Ignition switch: ON
Judgment Criterion
  • Faulty diagnosis transmission or protocol error.

FAIL SAFE FUNCTION



  • Diagnosis cable of glow control relay is not evaluated.

FAIL SAFE FUNCTION



  • Glow control is prohibited.

PROBABLE CAUSE



  • Failed glow control relay
  • Failed electrical harness in glow control relay circuit