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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 B1580: EEPROM Error >> DTC Troubleshooting
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DTC Troubleshooting

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.
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.