TM 5-3805-296-23-1
0038
Table 1. 1273 Module Communication Diagnostic Code Continued.
038
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
Voltage 18 to 25 V Proceed to Test
2. Using digital multimeter
1273-09 Chassis Control
Step 3.
(WP 0540), test for voltage
Module Abnormal Update
Voltage Less Than 18 V Replace
between fuse F20 left terminal
Rate Continued
(Figure 1) and ground.
fuse panel wiring harness (WP 0515).
Proceed to Test Step 13.
Figure 1. Testing Voltage to Fuse F20.
0038
Test Step 3. Test Voltage of Battery
Supply Circuits at Transmission/
Chassis ECM.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Install fuse F20 on circuit breaker
panel (TM 5-3805-296-10).
3. Disconnect connector W-C13
(WP 0012, Figure 89) from
transmission/chassis ECM.
4. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-296-10).
