3
CF65/75/85 series Automatic gearbox
DIAGNOSTICS
5-5
Main code Sub-code RECOMMENDED PROCEDURES
Coupling 3 pressure switch open
32 00
33
55
77
1. Let the engine idle while the vehicle’s parking brake is applied.
Check the following points:
a. Specified dip stick.
b. Correct oil level.
2. Check the following points:
a. Gearbox main connector is connected, is firmly attached, is clean
and undamaged.
b. ECU connector is connected, is firmly attached, is clean and
undamaged.
c. No interruptions or short circuits between wires or earth in wiring
harness.
If all points are in order, contact your Allison dealer.
Sensor fault in gearbox oil sump
33 12
23
Check the following points:
a. Gearbox main connector is connected, is firmly attached, is clean
and undamaged.
b. ECU connector is connected, is firmly attached, is clean and
undamaged.
c. No interruptions or short circuits between wires or earth in wiring
harness.
If all points are in order, contact your Allison dealer.
EEPROM fault
34 12
13
14
15
16
1. Re-calibrate if possible.
2. If re-calibration is impossible, replace the ECU.
3. If ECU replacement is impossible, contact your Allison dealer.
EEPROM writing error as a result of loss of power supply
35 00
16
Check the following points:
a. ECU is firmly attached, clean and undamaged.
b. VIM (Vehicle Interface Module) is firmly attached, clean and
undamaged.
c. The vehicle manufacturer has used the specified wiring for power
supply and earth connection.
d. Battery positive pole.
e. Battery earth connection.
f. Specified connections for vehicle ignition.
If all points are in order, contact your Allison dealer.
1
ᓻ 200337
https://www.truck-manuals.net/
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