TM 5-3805-296-23-2
0079
Table 1. 1289 Cushion Hitch Solenoid Valve Diagnostic Codes Continued.
079
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
DIAGNOSTIC CODE SET CONDITION
1289-06 Cushion Hitch
Transmission/Chassis ECM Detects Above Normal Current on Cushion Hitch
Solenoid Current Above
Normal Continued
Solenoid Circuit A519.
POSSIBLE CAUSE
Cushion Hitch Wiring Harness Shorted.
Transmission Wiring Harness Shorted.
Chassis Wiring Harness High Shorted.
Main Cab Wiring Harness Shorted.
Cushion Hitch Solenoid.
Arc Suppressor 1.
Transmission/Chassis ECM.
Test Step 1. Test for Shorted
Cushion Hitch Solenoid.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Disconnect connector C-C2
(WP 0012, Figure 127) from
cushion hitch solenoid connector
(WP 0012, Figure 126).
3. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-296-10).
1289-5 Cushion Hitch Solenoid
4. At MSD, check for active
Current Below Normal Becomes
diagnostic code 1289-6 Cushion
Active Replace cushion hitch
Hitch Solenoid Current Above
solenoid (WP 0406).
Normal (WP 0008).
Proceed to Test Step 7.
1289-6 Cushion Hitch Solenoid
Current Above Normal Remains
Active Proceed to Test Step 2.
Test Step 2. Test for Shorted Arc
Suppressor 1.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Disconnect connector C-C4
(WP 0012, Figure 130) from arc
suppressor 1 connector
(WP 0012, Figure 129).
3. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-296-10).
0079-9