Table 1. Transmission Code (1326-02 to 1408-13) Troubleshooting Procedures - Continued.
CDI FMI CODE
TEST OR INSPECTION
1406-03 Transmission Sole-
noid 6 Voltage Above Nor-
ECM will log a diagnostic code and a
warning will appear on the messenger
while the diagnostic code is Active.
N OT E
Always inspect the harness connectorsthat are involved in the circuit.
Poor connections can often be the cause of a problem in an electrical
circuit. Verify that all connections in the circuit are clean and secure,
and that all connections are in good condition. If a problem with a
connection is found, correct the problem and verify that this diagnostic
code is Active before performing this procedure.
Perform open or short circuit test ateach harness connection to identify
correct harness to replace.
Perform this test only if condition is Active.
Test Step 1. Test for Shorted Rear
Chassis Wiring Harness.
Trans/chassis 120M and verify
1406-03 is active.
2. Turn ignition switch and battery
disconnect switch to the OFF
3. Disconnect the transmission har-
Figure 178) from transmission
clutch modulating valve 6 (WP
0009, Figure 179) (WP 0155).
4. Disconnect the rear chassis wir-
ing harness connector FA-C20
No Continuity - Transmission ECM
wiring harness connector FA-C20
faulty, replace transmission ECM (WP
59, and all other FA-C20 termi-
Connect transmission harness con-
nals. There should be no continu-
transmission clutch modulating valve
Proceed to step 6.