LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2006 >> Elantra Limited >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Immobilizer Control System >> Troubleshooting >> Diagnostic Trouble Code Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Chart

Inspect according to the inspection chart that is appropriate for the malfunction code.

DIAGNOSTIC TROUBLE CODE CHART

DTC No. Detection item See
P1610 
  • No answer from SMARTRA
  • Invalid message from SMARTRA to ECM
TROUBLESHOOTING 
P1800 
  • Antenna coil error
P1800 
P1801 
  • Invalid transponder data
  • Programming error
P1801 
P1803 
  • Invalid request from engine ECM or corrupted data
P1803 
P1805 
  • Inconsistent data of EEPROM
  • Invalid write operation to EEPROM
  • Not plausible immobilizer indicator stored in the ECM
  • No valid data from SMARTRA after 3 attempts by ECM
  • Invalid tester message or unexpected requests by tester
P1805