PREVOST H3-45 2023 Operator's Manual page 267

DTC
P085E Gear Shift Module 1 Performance al
P088A Transmission Fluid Filter Maintenance Alert
P088B Transmission Fluid Filter Maintenance Required
P0880 TCM Power Input Signal
P0881 TCM Power Input Signal Performance
P0882 TCM Power Input Signal Low
P0883 TCM Power Input Signal High
P0894 Unexpected Mechanical Gear Disengagement
P0897 Transmission Fluid Deteriorated
Main Pressure Modulator Solenoid Control Circuit
P0960
Open
Main Pressuer Modulation Solenoid System
P0961
Performance
Main Pressure Modulator Solenoid Control Circuit
P0962
Low
Main Pressure Modulator Solenoid Control Circuit
P0963
High
Pressure Control Solenoid 2 (PCS2) Control Circuit
P0964
Open
Pressure Control Solenoid (PCS2) System
P0965
Performance
Pressure Control Solenoid 2 (PCS2) Control Circuit
P0966
Low
Pressure Control Solenoid 2 (PCS2) Control Circuit
P0967
High
Pressure Control Solenoid 3 (PCS3) Control Circuit
P0968
Open
Pressure Control Solenoid (PCS3) System
P0969
Performance
Pressure Control Solenoid 3 (PCS3) Control Circuit
P0970
Low
Pressure Control Solenoid 3 (PCS3) Control Circuit
P0971
High
Description
PA-1652 Operator's Manual H3-45 Coach
Allison Transmission Other Features C-13
CHECK
Light
Yes Lock in Neutral
No None
No None
No None
No None
DNS, SOL OFF (hydraulic
Yes
default)
No None
Yes DNS, Lock in first
No None
Yes None
Full Main Pressure is
No
Commanded
DNS, SOL OFF (hydraulic
Yes
default)
Yes None
DNS, SOL OFF (hydraulic
Yes
default)
TCM forces VMM off, TCM
inhibits TCC engagement.
Yes Hydaulic default: N (Neutral)3
(Third Range)4 (Fourth
Range)5 (Fifth Range)
DNS, SOL OFF (hydraulic
Yes
default)
DNS, SOL OFF (hydraulic
Yes
default)
DNS, SOL OFF (hydraulic
Yes
default)
TCM forces VMM off, TCM
Yes
inhibits TCC engagement.
DNS, SOL OFF (hydraulic
Yes
default)
DNS, SOL OFF (hydraulic
Yes
default)
Inhibited Operation
Description