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Home >> Infiniti >> 2017 >> QX30 Premium, AWD >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC U0168: Electric Ignition Lock System >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC CONSULT screen terms MELCO code DTC detection condition
(Trouble diagnosis content) [Malfunction type]
U0168 87 COMMUNICATION ERROR (LOST)
(Communication with the electronic ignition lock has a malfunction.)		 [MISSING MESSAGE] 67 Diagnosis condition
  • After 0.45 seconds from CAN communication wake up
  • Ignition switch ON
Signal (terminal) CAN communication signal
Threshold Message is missing
Diagnosis delay time 3 seconds
U0168 87 COMMUNICATION ERROR (LOST)
(Communication with the electronic ignition lock has a malfunction.)		 [MISSING MESSAGE] 20, 64 Diagnosis condition
  • After 0.45 seconds from CAN communication wake up
  • Ignition switch ON
Signal (terminal) CAN communication signal
Threshold Message is missing
Diagnosis delay time 1 second
U0168 87 COMMUNICATION ERROR (LOST)
(Communication with the electronic ignition lock has a malfunction.)		 [MISSING MESSAGE] DF Diagnosis condition After 0.45 seconds from ignition switch ON
Signal (terminal) CAN communication signal
Threshold Message is missing
Diagnosis delay time 2 seconds
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