P2743

Symptoms

• Difficulty shifting gears
• Incorrect operation of torque converter locking
• Increased fuel consumption
• Check Engine Light Is On
• Transmission overheating (in rare cases)

Causes

• Open or short circuit in TFT B sensor circuit
• Faulty TFT sensor B
• Poor contact in TFT sensor connector B
• Wiring harness damage
• Engine control unit (ECU) malfunction (rare)

How to Fix

1. Check the level and condition of the transmission fluid.
2. Check the TFT B sensor wiring and connectors for damage or corrosion.
3. Measure the resistance of TFT sensor B. Compare the readings to the manufacturer's specifications.
4. Check the voltage in the TFT sensor B circuit.
5. Replace TFT sensor B if faulty.
6. Check the ECU for damage or corrosion.

Related codes

Error P2743 by Vehicle Brand