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: C
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnosis flow code: C

Step Action Yes No
1  CAN communication circuit check 
  1. Turn ignition switch to OFF position.
  2. Disconnect connector from BCM and combination meter.
  3. Check for proper terminal connection to CAN communication circuit at BCM and combination meter connectors.
  4. If OK, check CAN communication circuits between BCM connector and combination meter connector for breaking.

Is each CAN communication circuit in good condition? 		 Go to Step 2. Repair CAN communication circuit.
2  Power and ground circuit check of combination meter 
  1. Check combination meter power and ground circuits.

Is it in good condition? 		 Substitute a known-good combination meter and recheck. Repair power and/or ground circuit.
scientia non olet · About LEMON Manuals