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Home >> Suzuki >> 2006 >> Grand Vitara Premium, RWD, Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System >> Diagnostic Information And Procedures >> DTC B1521: Blower Speed Selector And/Or Its Circuit Malfunction >> DTC Detecting Condition and Trouble Area
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DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION AND TROUBLE AREA

DTC detecting condition Trouble area
This DTC will be set when an internal malfunction is detected in the HVAC control module.
Blower speed selector signal voltage is more than and less than specified value for specified time continuously.		 HVAC control module (blower speed selector)
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