Allison Transmission 3000 Series User Manual

Table6–2.DTCListandDescriptions(cont'd)
DTC
Description
CHECK
TRANSLight
InhibitedOperation
Description
P0966
PressureControl
Solenoid(PCS2)Control
CircuitLow
Yes
DNS,SOLOFF
(hydraulicdefault)
P0967
PressureControl
Solenoid(PCS2)Control
CircuitHigh
Yes
DNS,SOLOFF
(hydraulicdefault)
P0968
PressureControl
Solenoid(PCS3)Control
CircuitOpen
Yes
DNS,SOLOFF
(hydraulicdefault)
P0969
PressureControl
Solenoid(PCS3)System
Performance
Yes
TCM
forcesVMMoff,
TCMinhibitsTCC
engagement.
P0970
PressureControl
Solenoid(PCS3)Control
CircuitLow
Yes
DNS,SOLOFF
(hydraulicdefault)
P0971
PressureControl
Solenoid(PCS3)Control
CircuitHigh
Yes
DNS,SOLOFF
(hydraulicdefault)
P0973
ShiftSolenoid1Control
CircuitLow
Yes
DNS,SOLOFF
(hydraulicdefault)
P0974
ShiftSolenoid1Control
CircuitHigh
Yes
DNS,SOLOFF
(hydraulicdefault)
P0976
ShiftSolenoid2Control
CircuitLow
Yes7-speed:Allow2through
6,N,R.InhibitTCC
operation
P0977
ShiftSolenoid2Control
CircuitHigh
Yes7-speed:Allow2through
6,N,R
P097A
ShiftSolenoid1Control
CircuitOpen
YesLockinrange
P097B
ShiftSolenoid2Control
CircuitOpen
Yes7-speed:Allow2through
6,N,R
P0989
RetarderPressureSensor
CircuitLow
NoNone
P0990
RetarderPressureSensor
CircuitHigh
NoNone
122

Allison Transmission 3000 Series Specifications

General

Type	Automatic Transmission Controller
Control Module	Integrated
Shift Energy Management	Yes
Number of Gears	6
Torque Converter	Yes, with lock-up clutch
Retarder	Optional
PTO Provision	Yes
Input Voltage	12V or 24V
Communication Protocol	SAE J1939
Operating Temperature Range	-40°C to +85°C