Allison

Allison 3000 & 4000 Gen 4 Fault Code: P2764 TCC...

DIAGNOSTIC RESPONSE:7-speed: Allow 2 through 6, N, R. Inhibit TCC operation CIRCUIT DESCRIPTION:The Torque Converter Clutch (TCC) Pressure Control Solenoid (PCS) is a normally closed solenoid used to apply the...

Allison 3000 & 4000 Gen 4 Fault Code: P2763 TCC...

DIAGNOSTIC RESPONSE:Inhibit TCC operation CIRCUIT DESCRIPTION:The Torque Converter Clutch (TCC) Pressure Control Solenoid (PCS) is a normally closed solenoid used to apply the lockup clutch when specific engine and turbine...

Allison 3000 & 4000 Gen 4 Fault Code: P2761 TCC...

DIAGNOSTIC RESPONSE:Inhibit TCC operation CIRCUIT DESCRIPTION:The Torque Converter Clutch (TCC) Pressure Control Solenoid (PCS) is a normally closed solenoid used to apply the lockup clutch when specific engine and turbine...

Allison 3000 & 4000 Gen 4 Fault Code: P2743 Ret...

DIAGNOSTIC RESPONSE:Use default retarder temperature values CIRCUIT DESCRIPTION:A retarder Transmission Fluid Temperature (TFT) sensor monitors retarder cavity fluid temperature. The sensor consists of a thermistor that varies its resistance value...

Allison 3000 & 4000 Gen 4 Fault Code: P2742 Ret...

DIAGNOSTIC RESPONSE:Use default retarder temperature values CIRCUIT DESCRIPTION:A retarder Transmission Fluid Temperature (TFT) sensor monitors retarder cavity fluid temperature. The sensor consists of a thermistor that varies its resistance value...

Allison 3000 & 4000 Gen 4 Fault Code: P2740 Ret...

DIAGNOSTIC RESPONSE:None CIRCUIT DESCRIPTION:A retarder Transmission Fluid Temperature (TFT) sensor monitors retarder cavity fluid temperature. The sensor consists of a thermistor that varies its resistance value based on the temperature...