Allison 1000 & 2000 Gen 4 Fault Codes: P2773 Torque Control Request Ignored – ECM/TCM CIRCUIT DESCRIPTION:Shift Energy Management (SEM)...

Allison 1000 & 2000 Gen 4 Fault Codes: P2810 Solenoid G Electrical CIRCUIT DESCRIPTION:Solenoid G is a normally closed (N/C)...

Allison 1000 & 2000 Gen 4 Fault Codes: U0031 J1850 (Class 2) Serial Data Communication Link Low CIRCUIT DESCRIPTION:Applications that...

Allison 1000 & 2000 Gen 4 Fault Codes: U0032 J1850 (Class 2) Serial Data Communication Link High CIRCUIT DESCRIPTION:Applications that...

Allison 1000 & 2000 Gen 4 Fault Codes: U0073 CAN Bus Reset Counter Overrun CIRCUIT DESCRIPTION:J1939 is the protocol currently...

Allison 1000 & 2000 Gen 4 Fault Codes: U0100 CAN Bus ECM Error CIRCUIT DESCRIPTION:J1939 is the protocol currently used...