SPN
FMI
516106
3
Trailer Solenoid Common
- J2 Pin 9 Shorted to
Voltage
516106
4
Trailer Solenoid Common
- J2 Pin 9 Shorted to
Ground
516106
5
Trailer Solenoid Common
- J2 Pin 9 Open Circuit
Table 6 – Diagnostic Trouble Codes (DTCs)
Description
Trailer common wire short to
battery or high source
Trailer common wire short to
ground or low source
Trailer common wire open
circuit
Cause
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Corrective Action
Check Pin 9 on DECU J2
connector for short to a high
source; if an issue is found, re-
pin at that location.
Check Pin 2 on the trailer
solenoid connector for short to a
high source; if an issue is found,
re-pin at that location.
Check the connections between
Pin 9 DECU J2 connector to
Pin 2 on the trailer solenoid
connector; re-pin if a short to a
high source is found.
Cycle the battery and/or place
the key in the off position for 30
seconds.
This DTC should resolve once
the cause is addressed.
Check Pin 9 on DECU J2
connector for short to ground; if
an issue is found, re-pin at that
location.
Check Pin 2 on the trailer
solenoid connector for short to
ground source; if an issue is
found, re-pin at that location.
Check the connections between
Pin 9 DECU J2 connector to
Pin 2 on the trailer solenoid
connector; re-pin if a short to
ground is found.
Cycle the battery and/or place
the key in the off position for 30
seconds.
This DTC should resolve once
the cause is addressed.
Check Pin 9 on DECU J2
connector for being disconnected
or loose; if a poor connection is
found, re-pin at that location.
Check Pin 2 on the trailer
solenoid connector for being
disconnected or loose; if a poor
connection is found, re-pin at that
location.
Check the connections between
Pin 9 DECU J2 connector to
Pin 2 on the trailer solenoid
connector; re-pin if an issue is
found.
Cycle the battery and/or place
the key in the off position for 30
seconds.
This DTC should resolve once
the cause is addressed.
37
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