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Home >> Suzuki >> 2007 >> Grand Vitara Base, AWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Immobilizer 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

WARNING: This page is about a different car, the 2008 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
TROUBLESHOOTING PROCEDURES

Step Action YES NO
1  DTC check 
  1. Check DTC referring to DIAGNOSTIC TROUBLE CODE (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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