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Home >> Suzuki >> 2007 >> Grand Vitara 2WD V6-2.7L >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> P Code Charts >> P1621
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P1621

DTC P1621: Immobilizer Communication Line Error

Immobilizer Control System Wiring Diagram:





Detecting Condition and Trouble Area:




Detecting Condition and Trouble Area

Step 1-5:




Step 6-9:




Step 10-14:




Troubleshooting
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