Appendix C – Allison Diagnostic Troubleshooting Codes
192
DTC
Description
CHECK
TRANS
Light
Inhibited Operation
Description
P0720 Output Speed Sensor Circuit
P0721 Output Speed Sensor Circuit Performance
Yes
DNS, Lock in current range
P0722 Output Speed Sensor Circuit No Signal
Yes
DNS, Lock in current range
P0726 Engine Speed Sensor Circuit Performance
No
Default to turbine speed
P0727 Engine Speed Sensor Circuit No Signal
No
Default to turbine speed
P0729 Incorrect
6
th
Gear Ratio
Yes
DNS, Attempt 5
th
, then 3
rd
P0730 Incorrect Neutral Gear ratio
P0731 Incorrect
1
st
Gear ratio
Yes
DNS, Attempt 2
nd
, then 5
th
P0732 Incorrect
2
nd
Gear ratio
Yes
DNS, Attempt 3
rd
, then 5
th
P0733 Incorrect
3
rd
Gear ratio
Yes
DNS, Attempt 4
th
, then 6
th
P0734 Incorrect
4
th
Gear ratio
Yes
DNS, Attempt 5
th
, then 3
rd
P0735 Incorrect
5
th
Gear ratio
Yes
DNS, Attempt 6
th
, then 3
rd
, then 2
nd
P0736 Incorrect Reverse Gear ratio
Yes
DNS, Lock in Neutral
P0741 Torque Converter Clutch System Stuck Off
Yes
None
P0776 Pressure Control Solenoid 2 Stuck Off
Yes
DNS, RPR
P0777 Pressure Control Solenoid 2 Stuck On
Yes
DNS, RPR
P0796 Pressure Control Solenoid 3 Stuck Off
Yes
DNS, RPR
P0797 Pressure Control Solenoid 3 Stuck On
Yes
DNS, RPR
P0842 Transmission Pressure Switch 1 Circuit Low
Yes
DNS, Lock in current range
P0843 Transmission Pressure Switch 1 Circuit High
Yes
DNS, Lock in current range
P0847 Transmission Pressure Switch 2 Circuit Low
P0848 Transmission Pressure Switch 2 Circuit High
P088A Transmission Fluid Filter Deteriorated
P088B Transmission Fluid Filter Very Deteriorated
P0880 TCM Power Input Signal
No
None
P0881 TCM Power Input Signal Performance
No
None
P0882 TCM Power Input Signal Low
Yes
DNS, SOL OFF (hydraulic default)
P0883 TCM Power Input Signal High
No
None
P0894 Transmission Component Slipping
Yes
DNS, Lock in first
P0960 Pressure Control Solenoid Main Mod Control Circuit Open
Yes
None
P0961 Pressure Control Solenoid (PCS) MM System
Performance
P0962 Pressure Control Solenoid Main Mod Control Circuit Low
Yes
DNS, SOL OFF (hydraulic default)
P0963 Pressure Control Solenoid Main Mod Control Circuit High
Yes
None
P0964 Pressure Control Solenoid 2 (PCS2) Control Circuit Open
Yes
DNS, SOL OFF (hydraulic default)
P0965 Pressure Control Solenoid (PCS) 2 System Performance
P0966 Pressure Control Solenoid 2 (PCS2) Control Circuit Low
Yes
DNS, SOL OFF (hydraulic default)
P0967 Pressure Control Solenoid 2 (PCS2) Control Circuit High
Yes
DNS, SOL OFF (hydraulic default)
P0968 Pressure Control Solenoid 3 (PCS3) Control Circuit Open
Yes
DNS, SOL OFF (hydraulic default)
P0969 Pressure Control Solenoid (PCS) 3 System Performance
P0970 Pressure Control Solenoid 3 (PCS3) Control Circuit Low
Yes
DNS, SOL OFF (hydraulic default)
P0971 Pressure Control Solenoid 3 (PCS3) Control Circuit High
Yes
DNS, SOL OFF (hydraulic default)
P0973 Shift Solenoid 1 (SS1) Control Circuit Low
Yes
DNS, SOL OFF (hydraulic default)
P0974 Shift Solenoid 1 (SS1) Control Circuit High
Yes
DNS, SOL OFF (hydraulic default)
Summary of Contents for X3-45 2011
Page 1: ...COACH MANUFACTURER OPERATOR S MANUAL X3 45 COACH PA1581...
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Page 171: ...Technical Information 165 X3 45 OVERALL DIMENSIONS SIDE ELEVATION 18673...
Page 172: ...Technical Information 166 X3 45 OVERALL DIMENSIONS TOP FRONT AND REAR VIEWS 18674...
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