TROUBLESHOOTING WITH A DIAGNOSTIC CODE - CONTINUED
Table 3. Powertrain Control - Continued.
CID FMI CODE
TEST OR INSPECTION
2. If all part numbers are not correct,
0590 09 - Continued.
installed engine ECM or powertrain
ECM has an incorrect part number or
incorrect flash software installed.
Replace incorrect engine ECM or
powertrain ECM with a module that has
correct part number. Flash correct
software (WP 0056 00, WP 0057 00,
WP 0060 00, and WP 0063 00).
2. Inspect harness connections.
(a) Turn battery disconnect switch to OFF
position (TM 5-3805-291-10).
(b) Disconnect and inspect all harness
connections related to CAT Data Link
are clean and tight. Refer to Electrical
(c) Check connectors for proper mating.
Ensure all seals are present and in
(d) Check harness for signs of damage or
(e) Check wires at connector. Ensure wires
are secured tightly into connector.
(f) Check exposed wires at connectors for
nicks or signs of abrasion.
(g) Check for moisture inside connector.
(h) Check connectors for dirty or corroded
(i) Check each pin and socket of wiring
harness connectors. Ensure contacts
are properly installed. Contacts should
mate correctly when two pieces of
connector are placed together.