8
Appendix C – Allison Diagnostic Troubleshooting Codes
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1. Bring the vehicle to a stop at a safe location.
2. Apply the parking brake.
To display stored codes:
1. Simultaneously press the
(Upshift) and
(Downshift) arrow buttons five times (Prognostics
enabled) to access the Diagnostic Display Mode. With Prognostics disabled, press the
(Upshift)
and
(Downshift) arrow buttons twice.
2. Press the MODE button to read the next code in the queue, if any.
To clear all active stored codes:
While in Diagnostic Mode, clear all active codes by pressing and holding the MODE button for
approximately three seconds until the MODE message flashes. Release the MODE button. The MODE
message should not remain illuminated if the active DTC shown in the display has cleared.
While in Diagnostic Mode, press and hold the MODE button for 10 seconds to clear both active codes and
inactive codes. The MODE message flashes a second time indicating all codes are cleared from the
queue.
Exiting Diagnostic Mode
Exit the diagnostic mode by one of the following methods:
1. Press simultaneously the
(Upshift) and
(Downshift) arrow buttons at the same time on the
pushbutton shift selector.
2. Press any range button «D», «N» or «R» on the pushbutton shift selector.
3. After approximately 10 minutes of inactivity at the pushbutton shift selector, the diagnostic mode
automatically exits and returns to normal operating mode.
4.
Turn off power to the TCM (shut off the engine using the ignition key).
DIAGNOSTIC TROUBLE CODE RESPONSE
The electronic control system is programmed to inform the operator of a problem with the transmission
system via the CHECK light and shift selector display while it automatically takes action to protect the
operator, vehicle, and transmission. When the Transmission Control Module (TCM) flags a Diagnostic
Trouble Code (DTC) as active, the TCM may take a combination of diagnostic responses as listed in the
table below.
If clearing a code while locked in a «D» (Drive) or «R» (Reverse) position (fail-to-range), the
transmission will still be in «D» (Drive) or «R» (Reverse) when the clearing procedure is completed.
«N» (Neutral) must be manually selected.
NOTE
NOTE
Summary of Contents for X3-45 COACH
Page 1: ...OPERATOR S MANUAL X3 45 COACH ...
Page 2: ......
Page 3: ...COACH MANUFACTURER OPERATOR S MANUAL X3 45 COACH PA1609 December 2015 ...
Page 8: ......
Page 13: ......
Page 18: ... WARNING Unless otherwise stated do not run the engine when the engine compartment is open ...
Page 25: ...either open or shut A key is provided for unlocking the door if the option was chosen ...
Page 153: ... ...
Page 164: ......
Page 176: ......
Page 189: ...INTERIOR UNLATCH AIR VALVE 12164 ...
Page 190: ...7 4 Safety Features and Equipment UNLATCH AIR VALVE LOCATION 12209 ...
Page 192: ...an audible alarm will sound 2 The operator shall bring the vehicle to a safe stop ...
Page 213: ......
Page 220: ......
Page 239: ...9 2 Technical Information VEHICLE IDENTIFICATION NUMBER VIN 13 COACH FINAL RECORD 13 ...
Page 240: ...Technical Information 9 3 X3 45 OVERALL DIMENSIONS SIDE ELEVATION 18673_1 ...
Page 241: ...9 4 Technical Information X3 45 OVERALL DIMENSIONS TOP FRONT AND REAR VIEWS 18674_1 ...
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Page 258: ......
Page 262: ......
Page 264: ...4 Try disconnecting the CECM ...
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