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Home >> Suzuki >> 2007 >> SX4 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 149 (Air Conditioning System) >> Diagnostic Information And Procedures >> DTC B1551: Serial Communication Circuit Malfunction >> DTC Detecting Condition and Trouble Area
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DTC Detecting Condition and Trouble Area

WARNING: This page is about a different car, the 2007 Suzuki Grand Vitara and 2006 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION AND TROUBLE AREA

DTC detecting condition Trouble area
Serial communication signal is more than or less than specified value for specified time continuously.
  • Serial communication line of BCM
  • BCM
  • Information display
  • HVAC control module
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