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Home >> Suzuki >> 2013 >> Kizashi Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (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

WARNING: This page is about a different car, the 2010 Suzuki Kizashi. However, it is still accessible from the selected car via links, so may be relevant.
DTC TROUBLESHOOTING CHART

Step Action YES NO
1  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.
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