Diagnostic Troubleshooting Codes (Dtc) List - Allison - PREVOST H3-41 Maintenance Manual

SECTION 07: TRANSMISSION
6.2

DIAGNOSTIC TROUBLESHOOTING CODES (DTC) LIST - ALLISON 5

CONTROLS
DTC
C1312 Retarder Request Sensor Failed Low
C1313 Retarder Request Sensor Failed High
P0122 Pedal Position Sensor Circuit Low Voltage
P0123 Pedal Position Sensor Circuit High Voltage
P0218 Transmission Fluid Over Temperature
P0562 System Voltage Low
P0602 TCM Not Programmed
P0604 Control module random access memory (RAM)
P0614 Torque Control Data Mismatch - ECM/TCM
P0634 TCM Internal Temperature Too High
P0642 Sensor Reference Voltage "A" Circuit Low
P0643 Sensor Reference Voltage "A" Circuit High
P0657 Actuator Supply Circuit Voltage 1 Open (HSD 1)
P0658 Actuator Supply Voltage 1 (HSD1) Low
P0659 Actuator Supply Voltage 1 (HSD1) High
P0703 Brake Switch Circuit Malfunction
P0708 Transmission Range Sensor Circuit High Input
P070C Transmission Fluid Level Sensor Circuit – Low Input
P070D Transmission Fluid Level Sensor Circuit – High Input
P0712 Transmission Fluid Temperature Sensor Circuit Low Input
Transmission Fluid Temperature Sensor Circuit High
P0713
Input
P0715 Turbine Shaft Speed Sensor Circuit
P0716 Turbine Shaft Speed Sensor Circuit Performance
P0717 Turbine Shaft Speed Sensor Circuit No Signal
P071A RELS Input Failed On
P071D General Purpose Input Fault
P0720 Output Shaft Speed Sensor Circuit
P0721 Output Shaft Speed Sensor Circuit Performance
P0722 Output Speed Sensor Circuit No Signal
P0725 Engine Speed Sensor Circuit
P0726 Engine Speed Sensor Circuit Performance
P0727 Engine Speed Sensor Circuit No Signal
P0729 Incorrect 6 th Gear Ratio
P0731 Incorrect 1 st Gear ratio
P0732 Incorrect 2 Gear ratio
nd
P0733 Incorrect 3 rd Gear ratio
P0734 Incorrect 4 th Gear ratio
P0735 Incorrect 5 th Gear ratio
P0736 Incorrect Reverse Gear ratio
P0741 Torque Converter Clutch System Stuck Off
Shift Solenoid 1 Valve Performance-Stuck On
P0752
P0776 Pressure Control Solenoid (PCS) 2 Stuck Off
P0777 Pressure Control Solenoid 2 Stuck On
P0796 Pressure Control Solenoid 3 Stuck Off
P0797 Pressure Control Solenoid 3 Stuck On
24
PA1621 Maintenance Manual All Series | January 2017
Description
GENERATION
TH
CHECK Inhibited Operation
Light Description
May inhibit retarder operation if not
No
using J1939 datalink
May inhibit retarder operation if not
No
using J1939 datalink
Use default throttle values. Freezes
No
shift adapts.
Use default throttle values. Freezes
No
shift adapts.
Yes Use default sump temp
No Inhibit TCC Operation, DNA
Yes Lock in Neutral
Yes Lock in Neutral
Allows operation only in reverse
Yes
and second range.
Yes SOL OFF (hydraulic default)
Yes Default sensor data used
Yes Default sensor data used
SOL OFF, DNA, Inhibit TCC
Yes
operation, Inhibit main modulation
Yes DNS, SOL OFF (hydraulic default)
Yes DNS, SOL OFF (hydraulic default)
No Neutral to Drive shifts for refuse
packer. TCM inhibits retarder
No
operation if a TPS code is also
active.
Yes Ignore defective strip selector inputs
No None
No None
Yes Use default sump temp
Yes Use default sump temp
Yes DNS, Lock in current range
Yes DNS, Lock in current range
Yes DNS, Lock in current range
Yes Inhibit RELS operation
Yes None
Yes DNS, Lock in current range
Yes DNS, Lock in current range
Yes DNS, Lock in current range
No Default to turbine speed
No Default to turbine speed
No Default to turbine speed
Yes DNS, Attempt 5
Yes DNS, Attempt 2
Yes DNS, Attempt 3
Yes DNS, Attempt 4
Yes DNS, Attempt 5
Yes DNS, Attempt 6
Yes DNS, Lock in Neutral
Yes None
Yes DNS
Yes DNS, RPR
Yes DNS, RPR
Yes DNS, RPR
Yes DNS, RPR
th , then 3 rd
nd , then 5 th
, then 5
rd th
th , then 6 th
th , then 3 rd
th , then 3 rd , then 2 nd