Allison 1000 & 2000 Gen 4 Fault Codes: P0711 Transmission Fluid Temperature Sensor Circuit Performance
Allison 1000 & 2000 Gen 4 Fault Codes: P0708 Transmission Range Sensor Circuit High Input
Allison 1000 & 2000 Gen 4 Fault Codes: P0703 Brake Switch Circuit Malfunction - GMT 800 Only
Allison 1000 & 2000 Gen 4 Fault Codes: P0701 Transmission Control System Performance
Allison 1000 & 2000 Gen 4 Fault Codes: P0614 Torque Control Data Mismatch - ECM/TCM
Allison 1000 & 2000 Gen 4 Fault Codes: P0606 Controller Internal Performance - Not Enabled for Pickups or Med Duty "04"
Allison 1000 & 2000 Gen 4 Fault Codes: P0602 TCM Not Programmed
Allison 1000 & 2000 Gen 4 Fault Codes: P0563 System Voltage High
Allison 1000 & 2000 Gen 4 Fault Codes: P0562 System Voltage Low
Allison 1000 & 2000 Gen 4 Fault Codes: P0561 Unrealistic Variations in Vehicle System Voltage