TM 10-3930-675-24-1
TRANSMISSION TEMPERATURE TROUBLESHOOTING - CONTINUED
0026 00
Table 4. Error Code 640 - Converter Output Temperature
Sensor Failure, Short Circuit to Chassis Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 640 - Converter Output Temperature 4. Check connector and pins. a. Repair or replace damaged
Sensor Failure, Short Circuit to Chassis -
Disconnect ECU (793). Check
connector (WP 0113 00).
Continued.
the connector and ECU pins 46 b. Replace damaged ECU (793)
and 49 for damage. Check
(WP 0080 00).
continuity and for continuity to c. Replace open or grounded
ground of wires A1729A,
wire.
A1729B, and A17212 (WP
0048 00-15).
Table 5. Error Code 783 - Sump Temperature Critical
Threshold [212F (100C)] Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 783 - Sump Temperature Critical 1. Allow engine and transmission
Threshold [212F (100C)] Failure.
to cool.
2. Check coolant level (TM 10- Add coolant as required (TM 10-
3930-675-10).
3930-675-10).
3. Check radiator top and side Clear obstructions.
grille for mud, snow, or
obstructions.
4. Check loose coolant hoses and Tighten or replace as required
clamps.
(WP 0065 00 and WP 0115 00).
5. With
engine
idling, Add transmission fluid as
transmission selector lever in required (TM 10-3930-675-10).
N (Neutral) position, parking
brake applied, and engine at
operating temperature, check
transmission fluid level (TM
10-3930-675-10).
6. Enter
"DIAG
EXTRA Clean and/or replace fording
FUNCT" 4(13) menu and water level sensor (WP 0091 00).
check water level sensor
setting. Enter "1" to shut off
and "0" to run cooling fan.
Check if fording water level
sensor is clogged or damaged.
0026 00-5
