P2755 OBD-II: Transmission Fluid Cooler Control Circuit High

P2755 Severity

Urgent

Should you fix P2755 yourself?

Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.

Proper diagnosis will save you time and money on unnecessary repairs.

Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.

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What causes OBD-II fault code P2755?

The Transmission Fluid Cooler keeps the transmission fluid from getting to hot. On some vehicles, the transmission must reach a minimum operating temperature before fluid will go through the cooler. If the cooler fails to operate as requested, code P2755 is stored.

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OBD II Fault Code

  • OBD II P2755

OBD-II Code Transmission may overheat is defined as a Transmission Fluid Cooler Control Circuit High

The Transmission Fluid Cooler keeps the transmission fluid from getting to hot. On some vehicles, the transmission must reach a minimum operating temperature before fluid will go through the cooler. If the cooler fails to operate as requested, code P2755 is stored.

Transmission may overheat Symptoms

  • Transmission may overheat

Common Problems That Trigger the P2755 Code

  • Damaged transmission cooler
  • Transmission fluid level is low
  • Wiring issue
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Other OBD-II Codes

P2754: Transmission Fluid Cooler Control Circuit LowP2753: Transmission Fluid Cooler Control Circuit/OpenP2752: Intermediate Shaft Speed Sensor "C" Circuit IntermittentP2751: Intermediate Shaft Speed Sensor "C" Circuit no SignalP2750: Intermediate Shaft Speed Sensor "C" Circuit Range/PerformanceP2749: Intermediate Shaft Speed Sensor "C" CircuitP2748: Intermediate Shaft Speed Sensor "B" Circuit IntermittentP2747: Intermediate Shaft Speed Sensor "B" Circuit no SignalP2746: Intermediate Shaft Speed Sensor "B" Circuit Range/PerformanceP2745: Intermediate Shaft Speed Sensor "B" CircuitP2744: Transmission Fluid Temperature Sensor "B" Circuit IntermittentP2743: Transmission Fluid Temperature Sensor "B" Circuit HighP2756: Torque Converter Clutch Pressure Control SolenoidP2757: Torque Converter Clutch Pressure Control Solenoid Control CircuitP2758: Torque Converter Clutch Pressure Control Solenoid Control CircuitP2759: Torque Converter Clutch Pressure Control Solenoid Control CircuitP2760: Torque Converter Clutch Pressure Control Solenoid Control CircuitP2761: Torque Converter Clutch Pressure Control Solenoid ControlP2762: Torque Converter Clutch Pressure Control Solenoid Control CircuitP2763: Torque Converter Clutch Pressure Control Solenoid Control CircuitP2764: Torque Converter Clutch Pressure Control Solenoid Control CircuitP2765: Input/Turbine Speed Sensor "B" CircuitP2766: Input/Turbine Speed Sensor "B" Circuit Range/PerformanceP2767: Input/Turbine Speed Sensor "B" Circuit no Signal