Allison Transmission Shift selector User manual

SHIFT SELECTOR

OIL LEVEL INFORMATION, DIAGNOSTIC CODES AND PROGNOSTIC FEATURES

FOR 3000/4000 SERIES™AND TC10™ALLISON TRANSMISSIONS

OPERATION

+ CODE MANUAL

Table of Contents

General Information ..................................... 1

Basic Operation ......................................... 2

Section 1 - With Prognostics + With Oil Level Sensor

Fluid Levels ............................................ 3

Checking Fluid Levels..................................... 3

Prognostic Features ...................................... 4

Accessing Prognostics .................................... 5

Resetting Prognostics..................................... 6

Exit Prognostics ......................................... 6

Diagnostics Codes ....................................... 7

Section 2 - With Prognostics +Without Oil Level Sensor

Prognostic Features ...................................... 8

Accessing Prognostics .................................... 9

Resetting Prognostics.................................... 10

Exit Prognostics ........................................ 10

Diagnostics Codes ...................................... 11

Section 3 - Without Prognostics +With Oil Level Sensor

Fluid Levels ........................................... 12

Checking Fluid Levels.................................... 12

Diagnostics Codes ...................................... 14

Section 4 - Without Prognostics +Without Oil Level Sensor

Diagnostics Codes ...................................... 15

Diagnostics Transmission Codes

Codes P0122-P077F .................................... 17

Codes P0796-P0994 .................................... 18

Codes P0994-P2637 .................................... 19

Codes P2641-P281B .................................... 20

Codes P281D-U059A.................................... 21

General Information

Control. Power. Information. The new 5th Generation Electronic Shift

Selector from Allison puts it all at your fingertips. Literally. Getting started is

easy and the selector’s complete menu of prognostic and diagnostic tools

minimize downtime and keep you on the job. Use this handy reference

booklet for step-by-step instruction on how to get the most from your shift

selector and of course, your Allison fully automatic transmission.

The Allison Advantage

Your Allison Automatic is fully electronically controlled. The Allison

electronic controls package oversees the operation of the transmission,

controlling transmission upshifts and downshifts, and providing important

information on the operation of your drive system.

Through readouts on your shift selector, you will be able to monitor

transmission oil levels, read diagnostic codes and prognostic information.

This manual will help you understand shift selector readouts and enjoy

long, trouble-free operation of your Allison Automatic.

Diagnostics

The Transmission Control Module (TCM) of your Allison Automatic

monitors the transmission’s electronic controls; and when a problem

condition is detected, it:

• May restrict shifting

• Illuminates the CHECK TRANS* light on the instrument panel

• Registers a diagnostic code

Continued illumination of the CHECK TRANS light during vehicle

operation (other than start-up) indicates that the TCM has signaled

a diagnostic code.

NOTE: Displays apply only when using a 5th Gen TCM.

* For some problems, diagnostic codes may be registered without the TCM

activating the CHECK TRANS light. Your Allison Authorized Service Network should

be consulted whenever there is a transmission-related concern. They have the

equipment to check for diagnostic codes and to correct problems.

Basic Operation

5th Generation Electronic Controls Shift Selectors

As the world leader in medium- and heavy-duty commercial transmissions,

Allison Transmission continues its ongoing improvement initiative with the

introduction of 5th Generation Electronic Controls Shift Selectors.

All 5th Generation Electronic Controls Shift Selectors feature easy-to-read

graphic displays that show both text and symbols.

DIGITAL

DISPLAY

DIAGNOSTICS

BUTTON

MODE

BUTTON

UP/DOWN

ARROWS

DIGITAL

DISPLAY

PUSHBUTTON

BUMP LEVER

R - REVERSE N - NEUTRAL D - DRIVE

OEMs may supply shift selectors for some vehicles equipped with 5th

Generation Electronic Controls. If your vehicle is not equipped with an

Allison-supplied shift selector, contact your OEM.

Mode Button

Allison Automatics offer primary and secondary shift

schedule modes to enhance performance or fuel

economy. The vehicle always defaults to the primary

mode [MODE is not shown on graphic display].

If equipped as such you can switch to the secondary

mode by pushing the MODE button [MODE is shown on

graphic display].

Your vehicle may be equipped with FuelSense –

Allison’s next generation in fuel-savings technology.

FuelSense is a set of unique packages of software and

electronic controls that can potentially increase fuel

economy by 20%. FuelSense icons will appear at start

up if your vehicle utilizes a FuelSense package.

Fluid Levels

The transmission fluid cools, lubricates and transmits hydraulic power,

so it is important that the proper fluid level be maintained at all times.

If the fluid level is too low, the converter and clutches do not receive an

adequate supply of fluids. If the fluid level is too high, the fluid can aerate

causing the transmission to shift erratically or overheat.

Checking Fluid Levels

Use the following procedure to display oil level information.

To enter the oil level function:

1. Park the vehicle on a level surface, shift to N (NEUTRAL)

and apply the parking brake.

2. Using a pushbutton shift selector, simultaneously

press the UP and DOWN arrows one time.

For a bump lever shift selector, press

the DIAGNOSTICS button one time.

3. The fluid level reading will be delayed until the following

conditions are met.

• Engine must be at idle.

• Transmission is in N (NEUTRAL).

• Output speed must be zero.

• Fluid temperature must be between 104F (40C)

and 220F (104C).

• Vehicle has been stationary for two minutes to allow

the fluid to settle.

SECTION 1

WITH PROGNOSTICS +

WITH OIL LEVEL SENSOR

4. The shift selector displays the oil level data as follows:

• CORRECT FLUID LEVEL – The fluid is within the

correct fluid level zone when OK is shown.

• LOW FLUID LEVEL – The display shows the number

of quarts the transmission oil is low.

• HIGH FLUID LEVEL – The display shows the number

of quarts the transmission oil is overfilled.

Delayed Fluid Level Check

If the fluid level check cannot be completed, one of the following

Oil Level Display faults will be shown:

To exit the oil level function:

• For pushbutton shift selector,

press N (NEUTRAL) button.

• For bump lever shift selector, press the

DIAGNOSTICS button until you return to range display.

Prognostic Features

5th Generation Electronic Controls Shift

Selectors display prognostics in text form to

provide at-a-glance status of Oil Life, Filter Life

and Transmission Health.

The WRENCH ICON will illuminate briefly after you turn

the key to the run position on your Allison-equipped

vehicle to indicate that prognostics are enabled. If the

WRENCH ICON remains on or flashes, this indicates there

is a service issue relating to clutch, filter or fluid life.

PUSHBUTTON

BUMP LEVER

WITH PROGNOSTICS + WITH OIL LEVEL SENSOR

Oil Life Monitor

The status of the oil life is displayed as a percentage

(OIL LIFE 100%) until fluid is due for a change.

Filter Life Monitor

The status of filter life is displayed as OIL FILTERS OK

and alerts when filters are due for a change with REPLACE FILTERS.

Transmission Health Monitor (not available for TC10)

The status of transmission health is displayed as OK or LO.

Accessing Prognostics

When you are alerted via the WRENCH ICON on the shift selector that service

is due, you can check the status by toggling through the shift selector

display as follows. Be sure to park the vehicle on a level surface, shift to

N (NEUTRAL) and apply the parking brake before accessing prognostics

through the shift selector.

Oil Life Monitor

For a pushbutton shift selector,

simultaneously press the UP and DOWN

arrows two times.

For a bump lever shift selector,

press the DIAGNOSTICS button two times.

Filter Life Monitor

For a pushbutton shift selector,

simultaneously press the UP and DOWN

arrows three times.

For a bump lever shift selector, press

the DIAGNOSTICS button three times.

Transmission Health Monitor

For a pushbutton shift selector,

simultaneously press the UP and DOWN

arrows four times.

For a bump lever shift selector, press

the DIAGNOSTICS button four times.

The percentage of the

fluid life remaining is

displayed. New fluid is

shown as OIL LIFE 100%.

Acceptable filter life status

is shown as FILTERS OK,

unacceptable filter life status

is shown as REPLACE FILTERS.

When TRANS HEALTH OK is

shown, clutch maintenance

is not required. When TRANS

HEALTH LO is displayed, clutch

maintenance is required.

Resetting Prognostics

Oil Life Monitor

For either a pushbutton or bump lever shift selector, press

and hold the MODE button for approximately 10 seconds

while in Oil Life Monitor mode.

For either a pushbutton or bump lever shift selector,

perform the following shift sequence with the ignition

on, but the engine off. Do not stop the sequence

for more than three seconds once you have started.

N-D-N-D-N-R-N

Filter Life Monitor

For either a pushbutton or bump lever shift selector, press

and hold the MODE button for approximately 10 seconds

while in Filter Life Monitor mode.

For either a pushbutton or bump lever shift selector, perform the

following shift sequence with the ignition on, but the engine off.

Do not stop the sequence for more than three seconds once you

have started.

N-R-N-R-N-D-N

Transmission Health Monitor

This must be reset manually using Allison DOC®for PC diagnostic

program after correcting a clutch system issue.

Exit Prognostics

For a pushbutton shift selector, press the N (NEUTRAL)

range button.

For a bump lever shift selector, press the DIAGNOSTICS

range button until back to range display.

WITH PROGNOSTICS + WITH OIL LEVEL SENSOR

Diagnostic Codes

To enter the diagnostic code function:

1. Bring the vehicle to a complete stop.

Apply the parking brake.

2. For a pushbutton shift selector, simultaneously press

the UP and DOWN arrows five times (four times for TC10).

For a bump lever shift selector,

press the DIAGNOSTICS button five times.

3. Up to five codes may be recorded in memory.

4. Each code remains in the display until the MODE button is pushed, then

the next code is shown. Active codes are shown first, newest to oldest,

followed by any inactive codes still in the memory.

ACTIVE CODES: INACTIVE CODES:

For a detailed list of Diagnostic Transmission Codes for 5th Generation

Electronic Controls Shift Selectors, see pages 17 through 21.

To exit the diagnostic code function:

Any of the following methods may be used.

1. For a pushbutton shift selector, press the N (NEUTRAL)

range button.

2. For a bump lever shift selector, press the DIAGNOSTICS

range button until back to range display.

3. Wait approximately 10 minutes and the system will

automatically return to normal operating mode.

4. Turn off the vehicle engine ignition switch.

Drive the vehicle and check for code recurrence. If codes continue to

recur, bring the vehicle to an Allison Authorized Service Network to

diagnose and repair the problem causing the codes.

SECTION 2

WITH PROGNOSTICS +

WITHOUT OIL LEVEL SENSOR

Prognostic Features

5th Generation Electronic Controls Shift

Selectors display prognostics in text form to

provide at-a-glance status of Oil Life, Filter Life

and Transmission Health.

The WRENCH ICON will illuminate briefly after you turn

the key to the run position on your Allison-equipped

vehicle to indicate that prognostics are enabled. If the

WRENCH ICON remains on or flashes, this indicates there

is a service issue relating to clutch, filter or fluid life.

Oil Life Monitor

The status of the oil life is displayed as a percentage

(OIL LIFE 100%) until fluid is due for a change.

Filter Life Monitor

The status of filter life is displayed as OIL FILTERS OK

and alerts when filters are due for a change with REPLACE FILTERS.

Transmission Health Monitor (not available for TC10)

The status of transmission health is displayed as HIGH to LO.

PUSHBUTTON

BUMP LEVER

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