Allison 1000 & 2000 Gen 5 Fault Code:P0634 TCM Internal Temperature Too High
Allison 1000 & 2000 Gen 5 Fault Code:P0642 Sensor Reference Voltage A Circuit Low
Allison 1000 & 2000 Gen 5 Fault Code:P0643 Sensor Reference Voltage A Circuit High
Allison 1000 & 2000 Gen 5 Fault Code:P0657 Actuator Supply Voltage 1 Open
Allison 1000 & 2000 Gen 5 Fault Code:P0658 Actuator Supply Voltage 1 (HSD1) - Low
Allison 1000 & 2000 Gen 5 Fault Code:P0659 Actuator Supply Voltage 1 (HSD1) - High
Allison 1000 & 2000 Gen 5 Fault Code:P0701 Transmission Control System - Performance
Allison 1000 & 2000 Gen 5 Fault Code:P0703 Brake Switch Circuit
Allison 1000 & 2000 Gen 5 Fault Code:P0706 Transmission Range Sensor Circuit - Performance
Allison 1000 & 2000 Gen 5 Fault Code:P0708 Transmission Range Sensor Circuit - High Input