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Home >> Hyundai >> 2016 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Telematics Unit System Diagnosis) >> DTC B2837: GPS Module Connection Error >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2016 Hyundai Elantra GT and 2015 Hyundai Elantra GT. However, it is still accessible from the selected car via links, so may be relevant.
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