PREVOST X3-45 VIP 2017 Owner's Manual page 208

Appendix C – Allison Diagnostic Troubleshooting Codes
12
DTC
P2730 Pressure Control Solenoid 1 (PCS1) Control Circuit High
P2736 Pressure Control Solenoid 5 (PCS5) Control Circuit Open
P2738 Pressure Control Solenoid 5 (PCS5) Control Circuit Low
P2739 Pressure Control Solenoid 5 (PCS5) Control Circuit High
Retarder Oil Temperature Sensor Over Temperature
P273F
Condition
Retarder Oil Temperature Sensor Circuit – Low
P2742
Retarder Oil Temperature Sensor Circuit – High
P2743
P2761 TCC PCS Control Circuit Open
P2763 TCC PCS Control Circuit High
P2764 TCC PCS Control Circuit Low
Transmission Clutch Life Expired (Clutch Adaptive
P2789
Learning at Limit)
P2793 Gear Shift Direction Circuit
P2808 Pressure Control Solenoid 6 (PCS6) Stuck Off
P2809 Pressure Control Solenoid 6 (PCS6) Stuck On
P2812 Pressure Control Solenoid 6 (PCS6) Control Circuit Open
P2814 Pressure Control Solenoid 6 (PCS6) Control Circuit Low
P2815 Pressure Control Solenoid 6 (PCS6) Control Circuit High
U0073 CAN Communication Bus 1 Off
U0074 CAN Communication Bus 2 Off
U0100 Lost Communications with ECM A
Lost Communication with Gear Shift Module (Shift
U0103
Selector) 1
Lost Communication with Gear Shift Module (Shift
U0291
Selector) 2
U0304 Incompatible Gear Shift Module 1 (Shift Selector)
U0333 Incompatible Gear Shift Module 2 (Shift Selector)
Invalid Data Received From Gear Shift Module (Shift
U0404
Selector) 1
Invalid Data Received From Gear Shift Module (Shift
U0592
Selector) 2
Description
CHECK Inhibited Operation
Light Description
Yes DNS, SOL OFF (hydraulic default)
Yes Inhibit retarder operation
Allow 2 through 6, N, R. Inhibit
Yes
retarder and TCC operation
Yes Inhibit retarder operation
No None
No Use default retarder temp values
No Use default retarder temp values
Yes Inhibit TCC operation
Yes Inhibit TCC operation
7-speed: Allow 2 through 6, N, R.
Yes
Inhibit TCC operation
No None
Ignores PWM input from shift
Yes
selector
Yes DNS, RPR
Yes DNS, RPR
Yes DNS, SOL OFF (hydraulic default)
Yes DNS, SOL OFF (hydraulic default)
Yes DNS, SOL OFF (hydraulic default)
No Use default values
No Use default values
Yes Use default values
Maintain range selected, observe
Yes
gear shift direction circuit
Maintain range selected, observe
Yes
gear shift direction circuit
Yes Ignore shift selector inputs
Yes Ignore shift selector inputs
Maintain range selected, observe
Yes
gear shift direction circuit
Maintain range selected, observe
Yes
gear shift direction circuit