Allison

Allison 3000 & 4000 Gen 4 Fault Code: P0843 Tra...

DIAGNOSTIC RESPONSE:DNS, Lock in current range CIRCUIT DESCRIPTION:C1 and C2 latch valve logic states (stroked/destroked) control clutch pressure routing based on latch valve location. The four possible combinations for C1/C2...

Allison 3000 & 4000 Gen 4 Fault Code: P0842 Tra...

DIAGNOSTIC RESPONSE:DNS, Lock in current range CIRCUIT DESCRIPTION:C1 and C2 latch valve logic states (stroked/destroked) control clutch pressure routing based on latch valve location. The four possible combinations for C1/C2...

Allison 3000 & 4000 Gen 4 Fault Code: P0797 Pre...

DIAGNOSTIC RESPONSE:DNS, RPR CIRCUIT DESCRIPTION:The Transmission Control Module (TCM) uses input from the turbine speed and output speed sensors to determine the current commanded for steady-state gear ratio. The TCM...

Allison 3000 & 4000 Gen 4 Fault Code: P0796 Pre...

DIAGNOSTIC RESPONSE:DNS, RPR CIRCUIT DESCRIPTION:The Transmission Control Module (TCM) uses input from the turbine speed and output speed sensors to determine the current commanded for steady-state gear ratio. The TCM...

Allison 3000 & 4000 Gen 4 Fault Code: P077F Inc...

DIAGNOSTIC RESPONSE:DNS, Lock in Neutral CIRCUIT DESCRIPTION:The Transmission Control Module (TCM) uses input from the turbine speed and output speed sensors to determine the current commanded for steady-state gear ratio....

Allison 3000 & 4000 Gen 4 Fault Code: P0777 Pre...

DIAGNOSTIC RESPONSE:DNS, RPR CIRCUIT DESCRIPTION:The Transmission Control Module (TCM) uses input from the turbine speed and output speed sensors to determine the current commanded for steady-state gear ratio. The TCM...