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Home >> Suzuki >> 2013 >> Grand Vitara Base >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Communication System >> Diagnostic Information and Procedures >> Troubleshooting for Lost Communication >> Troubleshooting >> Diagnosis flow code: E
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Diagnosis flow code: E

Step Action Yes No
1  Power and ground circuit check of keyless start control module 
  1. Check keyless start control module power and ground circuits.

Is it in good condition? 		 Go to Step 2. Repair power and/or ground circuit.
2  CAN communication circuit check 
  1. Turn ignition switch to OFF position.
  2. Disconnect connector from keyless start control module and BCM.
  3. Check for proper terminal connection to CAN communication circuit at keyless start control module and BCM connectors.
  4. If OK, check CAN communication circuits between keyless start control module connector and BCM connector for breaking.

Is each CAN communication circuit in good condition? 		 Substitute a known-good keyless start control module and recheck. Repair CAN communication circuit.
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