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Home >> Suzuki >> 2013 >> Grand Vitara Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting Systems >> Diagnostic Information and Procedures >> DTC B1950: Control Module Programming Error >> DTC Troubleshooting
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DTC Troubleshooting

Step Action Yes No

DTC check 


  1. Clear DTC. Refer to DTC Clearance .
  2. Disconnect ABS (ESP®) control module connector.
  3. Perform "DTC Confirmation Procedure" and recheck DTC. Refer to DTC Check .

Is DTC B1950 still detected? 
Replace headlight auto leveling control module and recheck DTC. Refer to Headlight Auto Leveling Control Module Removal and Installation (If Equipped) . Intermittent trouble.