TROUBLESHOOTING
Publication: 0028607 7-13
7
Tailgate
(Continued)
Tailgate will not close
(Continued)
Retract proximity switch
failed
Make sure retract proximity switch
LED is lit.
Metal sensor bracket not
actuating proximity
sensor
Adjust bracket until proximity switch is
enabled.
Tailgate will not unlatch Front or curbside control
panel not in dump mode
• Make sure DUMP MODE SW input
LED is lit on the control module.
• See “Pendant control” function in
this table.
Closed proximity switch
not lit
Locate and repair or replace.
LED on solenoid valve
connector not lit when
given command
Perform manual override to verify
electrical issue.
Tailgate will not open Unlatch LED on solenoid
connector lit when given
command, but no
movement
Make sure latched proximity sensor
LED is lit.
Latched proximity switch
failed
Locate, repair, or replace.
Tailgate will not eject Tailgate up proximity
switch failed
Check if tailgate up proximity sensor
LED is still lit.
Perform manual override to verify
electrical issue.
Tailgate will not latch Tailgate closed proximity
switch failed
• Check proximity switch bracket
adjustment.
• Make sure proximity switch LED is
lit when a metal object touches the
sensor face.
• Perform manual override to verify
electrical issue.
• Make sure the tailgate closed
proximity sensor LED is still lit.
• Perform manual override to verify
electrical issue.
Table 7-2: Electrical Troubleshooting (Continued)
Function Symptom Probable Cause Solution
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