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Home >> Suzuki >> 2012 >> Kizashi S, FWD, Automatic CVT Trans >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System >> Diagnostic Information and Procedures >> DTC B1544: Invalid Data between HVAC Control Module and Auto A/C Panel >> DTC Troubleshooting
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DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step Action YES NO
DTC CHECK 
  1. Push engine switch to change ignition mode to "ON".
  2. Push engine switch to change ignition mode to "OFF".
  3. Push engine switch to change ignition mode to "ON" and check DTC.

Is DTC B1544 still detected? 
Replace HVAC control module and recheck DTC, see HVAC CONTROL MODULE REMOVAL AND INSTALLATION  Intermittent trouble.