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Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Telematics Unit Diagnosis >> DTC B2837: GPS Module Connection Error >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Cannot get GPS information
  1. Open in GPS antenna circuit
  2. Short in GPS antenna circuit
  3. Antenna
  4. TMU
Enable Conditions
  • Ignition ON
  • Battery voltage is between 9V and 16V
  • The main board and GPS module should be combined normally through bridge.
Threshold value
  • The communication is interrupted between main CPU and GPS module
  • GPS antenna is not connected to TMU
  • GPS antenna has short to GND
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