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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Cannot communicate with CDMA modem chip.
  1. Faulty TMU (MTS) Module
Enable Conditions
  • Ignition ON.
  • Battery voltage is between 9V and 16V.
  • The main board and modem chip board should be combined normally through bridge.
Threshold Value
  • Internal communication between main CPU and CDMA Modem chip fails.
Diagnosis Time
  • The DTC is reported if the communication loss between main CPU and modem chip remained for 30 seconds at least.
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