B1580

DTC B1580: EEPROM Error

DTC Detecting Condition and Trouble Area






DTC Troubleshooting



1. DTC Recheck

Turn ignition switch to OFF position.
Turn ignition switch to ON position and recheck DTC of HVAC control module.

Is DTC B1580 detected?
YES
Substitute a known-good HVAC control module and recheck.
NO
Could be a temporary malfunction of HVAC control module.