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Home >> Suzuki >> 2012 >> SX4 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (Air Conditioning System - Auto A/C) >> Diagnostic Information and Procedures >> DTC B1557: VSS Signal Failure >> 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 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
B1557: SYMPTOM DIAGNOSIS DESCRIPTION CHART

DTC detecting condition Trouble area
HVAC control module receives invalid data of VSS signal from BCM.
  • VSS circuit
  • VSS
  • HVAC control module
  • BCM
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