Allison Transmission Motorhome Series Operator's Manual page 68

Code Listings And Procedures (WTEC III Controls) (cont'd)
CODES
MAIN SUB
CODE CODE
26 00, 11
Throttle/Engine
Coolant Source Not
Detected
32 00, 33, 55,
77
C3 Pressure Switch
Open
33 12, 23
Sump Oil
Temperature Sensor
Failure
34 12, 13, 14,
15, 16, 17
EEPROM
35 00, 16
Power Interruption
Real Time Write
Interruption
Check:
a. TPS for proper operation, related harness for
opens and shorts.
b. Serial connection to engine is tight, clean, and
undamaged.
c. SCI wiring harness has no opens or shorts.
Check:
a. Correct dipstick is installed.
b. Fluid level is correct. Refer to CARE AND
MAINTENANCE section.
c. Main transmission connector is tight, clean, and
undamaged.
d. ECU connectors are tight, clean, and undamaged.
e. Wiring harness has no opens, shorts-between-
wires, or shorts-to-ground.
Check:
a. Main transmission connector is tight, clean, and
undamaged.
b. ECU connectors are tight, clean, and undamaged.
c. Wiring harness has no opens, shorts-between-
wires, or shorts-to-ground.
a. Recalibrate ECU, if possible.
b. Replace ECU if not possible to recalibrate.
Check:
a. ECU connectors are tight, clean, and undamaged.
b. VIM connectors are tight, clean, and undamaged.
c. Vehicle manufacturer supplied wiring has correct
power and ground connections.
d. Power connections are battery direct.
e. Ground connections are battery direct.
f. Ignition switch connections are correct.
QUICK CHECKS
67