TM 5-3805-298-23-1
0096
Table 1. 590 Communication Diagnostic Codes - Continued.
096
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
3. Using digital multimeter
Continuity - Replace lower cab wiring
590-12 Engine ECM Fails to
(WP 0174), test for continuity
harness (WP 0291).
Communicate with the
between connector C-C12
Transmission ECM -
Proceed to Test Step 6.
(WP 0012, Figure 26) terminal 10
Continued
No Continuity - Replace engine ECM
and all other C-C12 terminals.
(WP 0265).
Proceed to Test Step 6.
Test Step 5. Verify Malfunction Is
Resolved.
1. Ensure all wiring harness
connectors are connected.
2. Install right engine access panel
(WP 0348).
3. Install transmission ECM cover
(WP 0266).
4. Install lower cab access panels
(WP 0347).
5. Turn battery disconnect switch ON
(TM 5-3805-298-10).
6. Using MSD, check for active
Diagnostic Code 590-12 Engine
diagnostic codes (WP 0008).
ECM Fails to Communicate With the
Transmission ECM Becomes
Inactive - Troubleshooting complete.
Diagnostic Code 590-12 Engine
ECM Fails to Communicate With
Transmission ECM Remains Active -
Repeat troubleshooting from the
beginning.
END OF WORK PACKAGE
0096-11/(12 blank)
