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DTC Check: Notes

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.
CAUTION:
  • When connecting battery to vehicle for this DTC check, be sure to complete the following procedure at least once before performing this DTC check.
    1. Turn on ignition switch.
    2. Turn off ignition switch.
    3. Wait at least 1 second and turn on ignition switch.
  • As DTC B1504 cannot be displayed on SUZUKI scan tool, check B1504 in Not Using SUZUKI Scan Tool .

Otherwise, HVAC control module detects "Back-up Power Supply Circuit Malfunction".
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