Appendix C – Allison Diagnostic Troubleshooting Codes
PA1627 X3-45 Operator’s Manual
12
DTC
Description
CHECK
Light
Inhibited Operation
Description
P2729 Pressure Control Solenoid 1 (PCS1) Control Circuit Low
Yes
DNS, SOL OFF (hydraulic default)
P2730 Pressure Control Solenoid 1 (PCS1) Control Circuit High
Yes
DNS, SOL OFF (hydraulic default)
P2736 Pressure Control Solenoid 5 (PCS5) Control Circuit Open
Yes
Inhibit retarder operation
P2738 Pressure Control Solenoid 5 (PCS5) Control Circuit Low
Yes
Allow 2 through 6, N, R. Inhibit
retarder and TCC operation
P2739 Pressure Control Solenoid 5 (PCS5) Control Circuit High
Yes
Inhibit retarder operation
P273F
Retarder Oil Temperature Sensor Over Temperature
Condition
No None
P2742 Retarder
Oil
Temperature
Sensor Circuit – Low
No
Use default retarder temp values
P2743 Retarder
Oil
Temperature
Sensor Circuit – High
No
Use default retarder temp values
P2761 TCC PCS Control Circuit Open Yes
Inhibit
TCC
operation
P2763 TCC PCS Control Circuit High
Yes
Inhibit TCC operation
P2764 TCC PCS Control Circuit Low
Yes
7-speed: Allow 2 through 6, N, R.
Inhibit TCC operation
P2789
Transmission Clutch Life Expired (Clutch Adaptive
Learning at Limit)
No None
P2793 Gear Shift Direction Circuit
Yes
Ignores PWM input from shift
selector
P2808 Pressure Control Solenoid 6 (PCS6) Stuck Off
Yes
DNS, RPR
P2809 Pressure Control Solenoid 6 (PCS6) Stuck On
Yes
DNS, RPR
P2812 Pressure Control Solenoid 6 (PCS6) Control Circuit Open
Yes
DNS, SOL OFF (hydraulic default)
P2814 Pressure Control Solenoid 6 (PCS6) Control Circuit Low
Yes
DNS, SOL OFF (hydraulic default)
P2815 Pressure Control Solenoid 6 (PCS6) Control Circuit High
Yes
DNS, SOL OFF (hydraulic default)
U0073 CAN Communication Bus 1 Off
No
Use default values
U0074 CAN Communication Bus 2 Off
No
Use default values
U0100 Lost Communications with ECM A
Yes
Use default values
U0103
Lost Communication with Gear Shift Module (Shift
Selector) 1
Yes
Maintain range selected, observe
gear shift direction circuit
U0291
Lost Communication with Gear Shift Module (Shift
Selector) 2
Yes
Maintain range selected, observe
gear shift direction circuit
U0304 Incompatible Gear Shift Module 1 (Shift Selector)
Yes
Ignore shift selector inputs
U0333 Incompatible Gear Shift Module 2 (Shift Selector)
Yes
Ignore shift selector inputs
U0404
Invalid Data Received From Gear Shift Module (Shift
Selector) 1
Yes
Maintain range selected, observe
gear shift direction circuit
U0592
Invalid Data Received From Gear Shift Module (Shift
Selector) 2
Yes
Maintain range selected, observe
gear shift direction circuit
Summary of Contents for X3-45 2017
Page 1: ...OPERATOR S MANUAL X3 45 COACH...
Page 2: ......
Page 3: ...COACH MANUFACTURER OPERATOR S MANUAL X3 45 COACH Model Year 2018 PA1627 September 2017...
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Page 28: ...Coach Exterior PA1627 X3 45 Operator s Manual 2 16...
Page 42: ...Coach Interior PA1627 X3 45 Operator s Manual 3 14...
Page 100: ...Controls and Instruments PA1627 X3 45 Operator s Manual 4 58...
Page 186: ...Care and Maintenance PA1627 X3 45 Operator s Manual 8 22...
Page 200: ...Technical Information PA1627 X3 45 Operator s Manual 9 14...
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