Display: 5 Flashing Lights
Type: Deflate Trend
Improper deflate sequence
Plugged or restricted Pneumatic Control Unit (PCU) vent line
Faulty PCU relief valve
Poor ground connection to pressure transducer
*Possible causes are listed in order of likely occurrence.
A "Deflate Trend" code displays when the system
has determined that a deflate sequence is not
functioning correctly. This is the result of either a
pressure increase during a deflation, or the system
failing to lower the tires even a small amount of the
desired pressure drop.
3-92.26 Change 3