LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2012 >> Grand Vitara Base >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Communication System >> Diagnostic Information and Procedures >> Troubleshooting for Lost Communication >> Troubleshooting >> Diagnosis flow code: K
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnosis flow code: K

Step Action Yes No
CAN communication circuit check 
  1. Disconnect negative (-) cable at battery.
  2. Disconnect headlight auto leveling control module connector and combination meter connector.
  3. Check for proper terminal connection to CAN communication circuit at headlight auto leveling control module and combination meter.
  4. If OK, check CAN communication circuits between headlight auto leveling control module connector and combination meter connector for breaking.

Is each CAN communication circuit in good condition? 
Replace headlight auto leveling control module and recheck DTC. Repair CAN communication circuit.