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Allison 3000 & 4000 Gen 4 Fault Code: P2727Pressure Control Solenoid 1 (PCS1) Control Circuit Open

Allison 3000 & 4000 Gen 4 Fault Code: P2729 Pressure Control Solenoid 1 (PSC1) Control Circuit Low

Allison 3000 & 4000 Gen 4 Fault Code: P2730 Pressure Control Solenoid 1 (PCS1) Control Circuit High

Allison 3000 & 4000 Gen 4 Fault Code: P2736 Pressure Control Solenoid 5 (PCS5) Control Circuit Open

Allison 3000 & 4000 Gen 4 Fault Code: P2738 Pressure Control Solenoid 5 (PCS5) Control Circuit Low

Allison 3000 & 4000 Gen 4 Fault Code: P2739 Pressure Control Solenoid 5 (PCS5) Control Circuit High

Allison 3000 & 4000 Gen 4 Fault Code: P2740 Retarder Oil Temperature Hot

Allison 3000 & 4000 Gen 4 Fault Code: P2742 Retarder Oil Temperature Sensor Circuit Low Input

Allison 3000 & 4000 Gen 4 Fault Code: P2743 Retarder Oil Temperature Sensor Circuit High Input

Allison 3000 & 4000 Gen 4 Fault Code: P2761 TCC PCS Control Circuit Open