DANA-AXTS0015
DANA SPICER CTIS (CENTRAL TIRE INFLATION SYSTEM)
TROUBLESHOOTING GUIDE
JULY 2010
DANA-AXTS0015 - Page 32 of 72
29
Service Codes
5 Flashing Lights or DDM – Dashes "--"
(Code 14)
Type: Deflate Trend
Code Description
A “Deflate Trend” code displays when the system has deter-
mined that a deflate sequence is not functioning correctly.
This is the result of either a pressure increase during a defla-
tion, or the system failing to lower the tires even a small
amount of the desired pressure drop.
System Mode
Condition
Possible Causes (listed in order of likely occurrence)
Inflate only
Improper deflate sequence
• Upper control line leak
• Plugged or restricted PCU vent line
• Faulty PCU relief valve
• Poor ground connection to PCU sensor
• Contaminated PCU
• Faulty PCU
Back to Top
