TM 5-3805-296-23-1
0055
Table 1. 0168 Powertrain Power Supply Diagnostic Code Continued.
055
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
0168-01 Electrical System
4. Using digital multimeter
Resistance 5.0 Ohms or Less
Voltage Low Continued
(WP 0540), measure resistance
Proceed to step 5.
between connector W-C13
Resistance Greater Than 5.0 Ohms
terminal 22 (WP 0012, Figure 89)
Replace main cab wiring harness
and ground.
(WP 0505).
Proceed to Test Step 8.
5. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Replace transmission/chassis ECM
between connector W-C13
(WP 0495).
terminal 46 (WP 0012, Figure 89)
Proceed to Test Step 8.
and ground.
Resistance Greater Than 5.0 Ohms
Replace main cab wiring harness
(WP 0505).
Proceed to Test Step 8.
Test Step 8. Verify Malfunction is
Resolved.
1. Ensure all harness connectors are
connected.
2. Turn battery disconnect switch to
ON position and start engine
(TM 5-3805-296-10).
3. At MSD, check for active
168-1 Electrical System Voltage Low
diagnostic codes (WP 0008).
Becomes Inactive Proceed to step 4.
168-1 Electrical System Voltage Low
Remains Active Repeat
troubleshooting from the beginning.
4. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
5. If removed, install step
(Figure 2, Item 3), six washers
(Figure 2, Item 2), and bolts
(Figure 2, Item 1) on cab
(Figure 2, Item 4).
6. Troubleshooting complete.
END OF WORK PACKAGE
0055-6
