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Home >> Suzuki >> 2012 >> Grand Vitara Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Immobilizer Control System >> Diagnostic Information and Procedures >> Immobilizer Indicator Light Remains ON after Engine Start >> Troubleshooting
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Immobilizer Indicator Light Remains ON after Engine Start: Troubleshooting

Step Action Yes No
1  DTC check 
  1. Check DTC referring to DTC Check 

Is DTC P1645 or P1646 detected? 		 Go to applicable DTC diag. flow. Substitute a known-good combination meter and recheck. If still indicator light remains ON, substitute a known-good ECM and recheck.
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