| Error code | Fault Code Description | Possible cause | Note |
| P0710 | Transmission Fluid Temperature Sensor Circuit Malfunction (ATF TEMP SEN/CIRC) | 1. Wire harness/adaptor open or short 2. CVT Oil Temperature Sensor | 1. Terminal 42 W/R voltage with respect to ground: 0V 2. Terminal 47 V voltage with respect to ground when the key is turned on: CVT oil temp 20 degree C: around 2.0V; CVT oil temp 80 degree C, around 1.0V 3. Resistance check: resistance between terminal 17 and 19: 20 degree C: about 6.5kΩ; 80 degree C: about 0.9kΩ |
| P0715 | Input/Turbine Speed Sensor Circuit (INPUT SPD SEN/CIRC) | 1. Wire harness/adaptor open or short 2. Input speed sensor | 1. Terminal 38 with respect to ground, when gear in “M1”, vehicle speed is 20KM/h, reading is about 700HZ; 2. Terminal 42 with respect to ground: 0V; 3. Terminal 46 with respect to ground when key is turned on: 5V |
| P0720 | Output Speed Sensor Circuit (VEH SPD SEN/CIR AT) | 1. Wire harness/adaptor open or short 2. Output speed sensor(Auxilary speed sensor) | 1. Reading of VSP sensor from OBD should have a value close to the speed meter on the dashboard 2. Terminal 29 with respect to ground, when gear in “D”, vehicle speed is 20KM/h, reading is about 400HZ; 3. Terminal 42 with respect to ground: 0V; |
| P0725 | Engine Speed Input Circuit (ENGINE SPEED SIG) | 1. Wire harness/adaptor open or short (from engine control unit to transmission control unit) | Check wire connections |
| P0730 | Incorrect Gear Ratio (BELT DAMG) | 1. TCM uses input speed sensor and output speed sensor to calculate current gear ratio, if TCM detects an unknown (out of range) gear ratio, this error code is populated. | 1. Inspect transmission pulley set and belt 2. Confirm correctness of readings of input and output speed sensors with the method mentioned in this article |
| P0740 | Torque Converter Clutch Circuit Malfunction (TCC SOLENOID/CIRC) | Special note: when ATF temperature is too low, TCM will not allow engagement. 1. Valve body 2. Wire connections | 1. Terminal 3 with respect to ground, when vehicle driving in gear “D”, CVT TCC engaged: 6V, not engaged: 1.5V 2. Terminal 12 with respect to ground: 3 – 9 Ω |
| P0744 | Torque Converter Clutch Circuit Intermittent (A/T TCC S/V FNCTN) | 1. Valve body 2. Transmission fluid | 1. Confirm correctness of readings of input and output speed sensors with the method mentioned in this article |
| P0745 | Pressure Control Solenoid ‘A’ (L/PRESS SOL/CIRC) | 1. Wire harness/adaptor open or short 2. Valve body | (Be cautious! Secure the vehicle and operate in a controlled environment) 1. Terminal 1 with respect to ground, with key turned on and gas padel fully applied: 1.0V; with key turned on and no gas padel: 5.0 – 7.0V 2. Termine 2 with respect to ground: 3 – 9 Ω |
| P0746 | Pressure Control Solenoid ‘A’ Performance or Stuck Off (PRS CNT SOL/A FCTN) | 1. Valve body 2. Hydraulic fluid and hydraulic system 3. Input speed sensor 4. Output speed sensor | |
| P0776 | Pressure Control Solenoid ‘B’ Performance or Stuck Off (6 PRS CNT SOL/B FCTN) | 1. Valve body 2. Hydraulic system | |
| P0778 | Pressure Control Solenoid ‘B’ Electrical (PRS CNT SOL/B CIRC) | 1. Wire harness/adaptor open or short 2. Valve body | Terminal 3 with respect to ground: 3 – 9 Ω |
| P0840 | Transmission Fluid Pressure Sensor/Switch A (TR PRS SENS/A CIRC) | 1. Transmission hydraulic sensor A (Auxilary pressure sensor) 2. Wire harness/adaptor open or short | Termine 37, when key is ON and gear in “N”, with respect to ground, 1V Terminal 42 with respect to ground: 0V Terminal 46 with respect to ground when key is ON: 5.0V |
| P0841 | Transmission Fluid Pressure Sensor/Switch A Circuit Range/Performance (PRESS SEN/FNCTN) | 1. Transmission hydraulic sensor A (Auxilary pressure sensor) 2. Transmission hydraulic sensor B (Main pressure sensor) 3. Wire harness/adaptor open or short | |
| P0845 | Transmission Fluid Pressure Sensor/Switch B Circuit (TR PRS SENS/B CIRC) | 1. Transmission hydraulic sensor B (Main pressure sensor) 2. Wire harness/adaptor open or short | Termine 41, when key is ON and gear in “N”, with respect to ground, 0.7 – 3.5V Terminal 42 with respect to ground: 0V Terminal 46 with respect to ground when key is ON: 5.0V |
| P0868 | Transmission Fluid Pressure Low (SEC/PRESS DOWN) | 1. Wire harness/adaptor open or short 2. Valve body 3. Transmission hydraulic sensor A (Auxilary pressure sensor) 4. Hydraulic system | |
| P1723 | CVT Speed Sensor Circuit (CVT SPD SEN/FNCTN) | 1. Wire harness/adaptor open or short 2. Input speed sensor 3. Output speed sensor 4. Engine speed sensor | |
| P1740 | Lock-Up Select Solenoid Valve Circuit (LU-SLCT SOL/CIRC) | 1. Valve body 2. Wire harness/adaptor open or short | Please wait at least 5 seconds to measure after changing gear. Terminal 4 with respect to ground, when gear in “P” or “N”: voltage of the battery Terminal 4 with respect to ground, when gear in “R” or “D”: 0V Terminal 13 with respect to ground, 6- 19 Ω |
| P1745 | Line Pressure Control (L/PRESS CONTROL) | 1. TCM | |
| P1777 | STEP MOTR CIRC | 1. Step motor 2. Wire harness/adaptor open or short | Adaptor F49, resistance between terminal 6 and 7: around 30 Ω Adaptor F49, resistance between terminal 8 and 9: around 30 Ω Adaptor F49, resistance between terminal 6/7/8/9 with respect to ground: around 15 Ω |
| P1778 | STEP MOTR/FNC | 1. Step motor | |