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DTC Detection Logic

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0078 Exhaust valve timing control solenoid valve (bank 1) circuit An improper voltage is sent to the ECM through exhaust valve timing control solenoid valve.
  • Harness or connectors (Exhaust valve timing control solenoid valve circuit is open or shorted.)
  • Exhaust valve timing control solenoid valve
P0084 Exhaust valve timing control solenoid valve (bank 2) circuit
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