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Home >> Suzuki >> 2012 >> SX4 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System - Auto A/C >> Diagnostic Information and Procedures >> DTC B1580: EEPROM Error >> DTC Troubleshooting
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DTC Troubleshooting

B1580: SYMPTOM TROUBLESHOOTING REFERENCE CHART

Step Action YES NO
DTC Recheck 
  1. Turn ignition switch to OFF position.
  2. Turn ignition switch to ON position and recheck DTC of HVAC control module.

Is DTC B1580 detected? 
Substitute a known-good HVAC control module and recheck. Could be a temporary malfunction of HVAC control module.