PREVOST H3-45 VIP Owner's Manual page 234

C-14 Allison Transmission Other Features
DTC
P2721 Pressure Control Solenoid 4 (PCS4) Control Circuit High
P2723 Pressure Control Solenoid 1 (PCS1) Stuck Off
P2724 Pressure Control Solenoid 1 (PCS1) Stuck On
P2727 Pressure Control Solenoid 1 (PCS1) Control Circuit Open
P2729 Pressure Control Solenoid 1 (PCS1) Control Circuit Low
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
P2742 Retarder Oil Temperature Sensor Circuit – Low
P2743 Retarder Oil Temperature Sensor Circuit – High
P2761 TCC PCS Control Circuit Open
P2763 TCC PCS Control Circuit High
P2764 TCC PCS Control Circuit Low
Transmission Clutch Life Expired (Clutch Adaptive Learning
P2789
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
Description
PA-1638 Owner's Manual X3-45 VIP
CHECK Inhibited Operation
Light Description
DNS, SOL OFF
Yes
default)
Yes DNS, RPR
Yes DNS, RPR
DNS, SOL OFF
Yes
default)
DNS, SOL OFF
Yes
default)
DNS, SOL OFF
Yes
default)
Yes Inhibit retarder operation
Allow 2 through 6, N, R. Inhibit
Yes
retarder and TCC operation
Yes Inhibit retarder operation
No None
Use default
No
values
Use default
No
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
DNS, SOL OFF
Yes
default)
DNS, SOL OFF
Yes
default)
(hydraulic
(hydraulic
(hydraulic
(hydraulic
retarder temp
retarder temp
(hydraulic
(hydraulic