PREVOST X3-45 Commuter 2020 User Manual

B-6 Allison Transmission Other Features
DOB 1300-1556 PA-1639 Operator's Manual 2020 X3-45 Commuter
DIAGNOSTIC TROUBLESHOOTING CODES (DTC) LIST - ALLISON 5
TH
GENERATION
CONTROLS
DTC Description
CHECK
Light
Inhibited Operation
Description
C1312 Retarder Request Sensor Failed Low No
May inhibit retarder
operation if not using
J1939 datalink
C1313 Retarder Request Sensor Failed High No
May inhibit retarder
operation if not using
J1939 datalink
P0122 Pedal Position Sensor Circuit Low Voltage No
Use default throttle
values. Freezes shift
adapts.
P0123 Pedal Position Sensor Circuit High Voltage No
Use default throttle
values. Freezes shift
adapts.
P0218 Transmission Fluid Over Temperature Yes Use default sump temp
P0562 System Voltage Low No
Inhibit TCC Operation,
DNA
P0602 TCM Not Programmed Yes Lock in Neutral
P0604 Control module random access memory (RAM) Yes Lock in Neutral
P0614 Torque Control Data Mismatch ECM/TCM Yes
Allows operation only
in reverse and second
range.
P0634 TCM Internal Temperature Too High Yes
SOL OFF (hydraulic
default)
P0642 Sensor Reference Voltage "A" Circuit Low Yes
Default sensor data
used
P0643 Sensor Reference Voltage "A" Circuit High Yes
Default sensor data
used
P0657 Actuator Supply Circuit Voltage 1 Open (HSD 1) Yes
SOL OFF, DNA, Inhibit
TCC operation, Inhibit
main modulation
P0658 Actuator Supply Voltage 1 (HSD1) Low Yes
DNS, SOL OFF
(hydraulic default)
P0659 Actuator Supply Voltage 1 (HSD1) High Yes
DNS, SOL OFF
(hydraulic default)

PREVOST X3-45 Commuter 2020 Specifications

General

Transmission	Allison B500
Category	Buses
Manufacturer	Prevost
Model	X3-45 Commuter
Year	2020
GVWR	54, 000 lbs
Air Conditioning	Yes
Wheelchair Accessible	Yes
Engine	Detroit Diesel DD13
Length	45 ft
Width	102 in
Horsepower	450 hp