Allison Transmission 1000, 2000 Service Manual

4.4 (7)

DTC U2105 U2104 U1301 U1300 U1096 U1064 U1041 U1016 U1000 P1892 P1891 P1875 P1860 P1835 P1779 P1760 P1727 P1726 P1724 P1723 P1721 P1720 P1718 P1716 P1714 P1713

Description

Check Trans Light

Can Bus Error ECM

Yes

Can Bus Rest Counter Overrun

Yes

Serial Data Communication Link High

No

(Class2)

 

Serial Data Communication Link Low

No

(Class2)

 

Class 2 IPC Controller State of Health Failure

No*

Class 2 TBC Controller State of Health

No*

Failure

 

Class 2 ABS Controller State of Health

No*

Failure

 

Class 2 Powertrain Controller State of Health

No*

Failure

 

Serial Data Communication Link Malfunction

No*

(Class2)

 

Throttle Postion Sensor Pulse Width

No

Modulation (PWM) Signal High Input

 

Throttle Postion Sensor Pulse Width

No

Modulation (PWM) Signal Low Input

 

4WD Low Switch Circuit

Yes

Torque Converter Clutch PWM Solenoid

Yes

Circuit --Electrical

 

Kickdown Circuit

Yes

Engine Torque Delivered To ECM

Yes

TCM Supply Voltage

No

Shift Controlled E Clutch Engaged

No

Shift Solenoid D Controlled Clutch Engaged

No

Solenoid B Controlled Clutch Engaged

Yes

Solenoid A Controlled Clutch Engaged

Yes

Solenoid B Controlled Clutch Not Engaged

Yes

Solenoid A Controlled Clutch Not Engaged

Yes

Incorrect Neutral Gear Ration

No

Transmission Pressure Switch Reverse Circuit no

High

 

Transmission Pressure Switch Reverse Circuit

Yes

Stuck On

 

Transmission Pressure Switch Reverse Circuit Yes

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