Basic settings: Shift to “N” gear, turn off the engine, wait 3 seconds, restart the engine, and let the vehicle idle for 4 mins.
Always check if the TCU software is up-to-date, it is highly recommended to do basic settings after software update.
| Error code | Fault code description | Repair Measure | Note |
| P170C | Clutch 1 Gap Too Small | Shift into “N” gear, check if Engine RPM is close to Input Shaft 1 Speed, half-clutch position less than 550: check and replace the flywheel if needed; if the K1 (K2) gap is too small then replace the clutch. | Normal half-clutch position should be in the range of 550 – 900 |
| P1710 | Clutch 2 Gap Too Small | Shift into “N” gear, check if Engine RPM is close to Input Shaft 2 Speed, half-clutch position less than 550: check and replace the flywheel if needed; if the K1 (K2) gap is too small then replace the clutch. | Normal half-clutch position should be in the range of 550 – 900 |
| P170D | Clutch 1 Slip | Shift into “N” gear, check if Engine RPM is close to Input Shaft 1 Speed, half-clutch position greater than 900: check and replace the flywheel if needed; if the K1 (K2) clutch slips or has burned then replace the clutch. | Normal half-clutch position should be in the range of 550 – 900 |
| P1711 | Clutch 2 Slip | Shift into “N” gear, check if Engine RPM is close to Input Shaft 2 Speed, half-clutch position greater than 900: check and replace the flywheel if needed; if the K1 (K2) clutch slips or has burned then replace the clutch. | Normal half-clutch position should be in the range of 550 – 900 |
| P1740 | Oil Pressure Too Low | Oil Pump Enable Information can switch between “Strat” and “Stop”, Oil Pump Starting Duty Cycle changes, but Oil Pump Speed remains 0, inspect and replace motor and wiring harness if needed | Replace mechatronic if connector pin is broken |
| P1741 | Oil Pump Motor Malfunction | Oil Pump Enable Information can switch between “Strat” and “Stop”, Oil Pump Starting Duty Cycle changes, but Oil Pump Speed remains 0, inspect and replace motor and wiring harness if needed | Replace mechatronic if connector pin is broken |
| N/A | Unable to shift gears | If the error code is not “current”, clear the error code, if the error code reappears, update TCU software. If the error code is “current”, update TCU software and clear the error code; if the if the error code reappears, remove mechatronic and check if shift fork(s) is(are) stuck; If the fork(s) stuck, check forks and its gear system, if not, consider replacing mechatronic. | |
| N/A | Vehicle unable to move | Shift into “N” gear, check if the vehicle can be pushed to move. (1. Vehicle cannot be pushed to move)If not, lift the vehicle and see if the rear wheels can rotate freely, if not, check the braking system; if the rear wheels can be rotated freely, remove the transmission parking brake and see if the vehicle can be pushed to move, if so, inspect & replace parking brake motor and controller. (2. Vehicle can be pushed to move), shift into “D”, check live data and confirm if the phycisial gear is in “D1”; (2.1 If the physical gear is “D1”), check engine RPM and input shaft 1 speed is in sync, clutch 1 position is greater than the half-clutch-poistion, sum of actuator 1 position sensor 1 and 2 is around 1400; if so replace transmission assembly, otherwise replace mechatronic. (2.1 If the physical gear is NOT “D1”), check gear systems and CAN system (wiring). | |
| P1700 | Voltage too high | 1. Use a multimeter to measure the battery voltage, if the actual voltage is indeed too high, check wire connections between the battery to the engine, check TCU wiring and fuse. 2. Replace the battery and/or generator if needed 3. If all above had been down, replace TCU | |
| P1701 | Battery voltage too low | 1. Use a multimeter to measure the battery voltage, if the actual voltage is lower than 10V, check wire connections between the battery to the engine, check TCU wiring and fuse. 2. Replace the battery and/or generator if needed 3. If all above had been down and have the following symptoms: engine cannot be started, turn on the headlights and AC unit, the battery voltage read from the multimeter is still higher than 12V, replace the TCU | |
| P1702 | Sensor power supply voltage malfunction | 1. Read live data of the sensor, confirm if the voltage is in the range of 4.75V to 5.25V; if so, clear the error codes and monitor if the value goes out of range again. 2. Check if the battery voltage is normal (around 12V) 3. Check transmission wiring harness and fuse 4. Check connection to the engine RPM sensor (also check if the sensor is properly grounded) 5. Check connection to the direction sensor (also check if the sensor is properly grounded, remove the sensor, the voltage of PIN 1 to ground should be around 4.75V to 5.25V) 6. Read live data and confirm if the battery voltage is normal. If the battery voltage is normal, replace TCU | |
| P1703 | Engine RPM sensor no signal | 1. Read TCU Engine RPM, compare with CAN engine RPM, if the numbers are close, clear the error code and monitor if the issue reappears 2. Check connection to the engine RPM sensor 3. Confirm if the distance between the RPM sensor and the sensing wheel is 1+-0.5mm 4. If all above are normal, and live data of engine RPM from TCU is still 0, consider replacing TCU | |
| P1704 | Engine RPM sensor out of range | 1. Read TCU Engine RPM, compare with CAN engine RPM, if the numbers are close, clear the error code and monitor if the issue reappears 2. Check connection to the engine RPM sensor 4. If all above are normal, consider replacing TCU | |
| P1705 | Input shaft 1 speed sensor no signal | 1. Read live data of Input shaft 1 speed sensor when the vehicle speed is greater than 5KM/h, check if the value is 0. if the value is greater than 0, clear the error code and monitor if the issue reappears 2. Do basic settings of the clutch, check if the procedure can complete. 3. Inspect and clean the sensing wheels and input speed sensors for metal debris 4. If all above are normal, consider replacing TCU | |
| P1706 | Input shaft 1 speed sensor out of range | 1. Read live data of Input shaft 1 speed sensor, normal readings should be in the range of 0 – 8000RPM 3. Inspect and clean the sensing wheels and input speed sensors for metal debris 4. If all above are normal, consider replacing TCU | |
| P1707 | Input shaft 2 speed sensor no signal | 1. Read live data of Input shaft 2 speed sensor when the vehicle speed is greater than 5KM/h, check if the value is 0. if the value is greater than 0, clear the error code and monitor if the issue reappears 2. Do basic settings of the clutch, check if the procedure can complete. 3. Inspect and clean the sensing wheels and input speed sensors for metal debris 4. If all above are normal, consider replacing TCU | |
| P1708 | Input shaft 2 speed sensor out of range | 1. Read live data of Input shaft 2 speed sensor, normal readings should be in the range of 0 – 8000RPM 3. Inspect and clean the sensing wheels and input speed sensors for metal debris 4. If all above are normal, consider replacing TCU | |
| P1709 | Output shaft speed sensor no signal | 1. Read live data of “output shaft speed sensor” is 0 when the vehicle speed is greater 5KM/h, clear error codes and see if error code reappears 2. Check output speed sensor wiring connections (and see if the sensor has been grounded 3. Use a multimeter, switch to current measurement, sensor pin 1 connect to 5VDC, pin 2 connect to multimeter positive, ground the negative end to vehicle ground, rotate the front wheel, current measurement should show 7 – 16mA; If current stays constant, the sensor is defective. 5. If all above are normal, consider replacing TCU | |
| P170B | Clutch 1 sensor malfunction | 1. Read live data of “Clutch 1 position”, normal readings should be in the range of 100 – 1800. 2. Check push robs and their magnets for damages and contaminations 3. If all above are normal, consider replacing TCU | |
| P170C | Clutch 1 gap too small | 1. Read live date of “input shaft 1 sensor speed” when the engine is on, clutch 1 position is at minimum, gear in “N”, check if the reading is close to engine RPM, if so, clear the error code and see if the code reappears 2. Read live data of “Clutch 1 min position” and “Clutch 1 half clutch position”, if “clutch 1 min position” is greater than “clutch 1 half position”, clear the error codes and see if the code reappears 3. Perform basic settings, gear in “N”, turn off the engine; wait 3 seconds; turn on the engine and wait for 5 mins). If the issue rappers, repeat the basic settings for 3 times, if the issue persists, replace the clutch | |
| P170D | Clutch 1 slip | 1. Read live date “Clutch 1 half clutch position” , the value should be less than 1000; read “Clutch 1 max position”, the value should be greater than 1500. Clear the error codes 2. Test drive the vehicle and see if the error code reappears 3. Perform basic settings, gear in “N”, turn off the engine; wait 3 seconds; turn on the engine and wait for 5 mins). If the issue rappers, repeat the basic settings for 3 times 4. Drive the vehicle, check if “Clutch 1 position” is commonly at “Clutch 1 max position”). When Clutch 1 position equals “Clutch 1 max position”, check “Input shaft 1 speed sensor” and engine RPM, the code can appear when engine RPM is commonly greater than the value of “Input shaft 1 speed sensor” (meaning quick rate of acceleration may trigger this code) 5. Replace clutch | |
| P170E | Clutch 1 temperature too high | 1. Consult the client of his/her driving habits; when doing frequent quick acceleration and/or slope start,the appearance of this error code is considered normal, simply clear the error code 2. Perform basic settings, gear in “N”, turn off the engine; wait 3 seconds; turn on the engine and wait for 5 mins). If the issue rappers, repeat the basic settings for 3 times 3. Inspect clutch and replace clutch if needed | |
| P170F | Clutch 2 sensor malfunction | 1. Read live data “Clutch 2 position”, normal readings should be in the range of 200 – 1800. 2. Check push robs and their magnets for damages and contaminations 3. If all above are normal, consider replacing TCU | |
| P1710 | Clutch 2 gap too small | 1. Read live date of “input shaft 2 sensor speed” when the engine is on, clutch 2 position is at minimum, gear in “N”, check if the reading is close to engine RPM, if so, clear the error code and see if the code reappears 2. Read live data of “Clutch 2 min position” and “Clutch 2 half clutch position”, if “clutch 2 min position” is greater than “clutch 2 half position”, clear the error codes and see if the code reappears 3. Perform basic settings, gear in “N”, turn off the engine; wait 3 seconds; turn on the engine and wait for 5 mins). If the issue rappers, repeat the basic settings for 3 times, if the issue persists, replace the clutch | |
| P1711 | Clutch 2 slip | 1. Read live date “Clutch 2 half clutch position” , the value should be less than 1000; read “Clutch 2 max position”, the value should be greater than 1500. Clear the error codes 2. Test drive the vehicle and see if the error code reappears 3. Perform basic settings, gear in “N”, turn off the engine; wait 3 seconds; turn on the engine and wait for 5 mins). If the issue rappers, repeat the basic settings for 3 times 4. Drive the vehicle, check if “Clutch 2 position” is commonly at “Clutch 2 max position”). When Clutch 2 position equals “Clutch 2 max position”, check “Input shaft 2 speed sensor” and engine RPM, the code can appear when engine RPM is commonly greater than the value of “Input shaft 2 speed sensor” (meaning quick rate of acceleration may trigger this code) 5. Replace clutch | |
| P1712 | Clutch 2 temperature too high | 1. Consult the client of his/her driving habits; when doing frequent quick acceleration and/or slope start, the appearance of this error code is considered normal, simply clear the error code 2. Perform basic settings, gear in “N”, turn off the engine; wait 3 seconds; turn on the engine and wait for 5 mins). If the issue rappers, repeat the basic settings for 3 times 3. Inspect clutch and replace clutch if needed | |
| P1713 | Temperature sensor malfunction | 1. Consult the client of his/her driving habits; when doing frequent quick acceleration and/or slope start, the appearance of this error code is considered normal, simply clear the error code 2. Check transmission fiuld condition and level 3. Check the temperature of the engine compartment 4. Clear the error codes | |
| P1714 | Electro Hydraulic Moudel temperature too high | 1. Consult the client of his/her driving habits; when doing frequent quick acceleration and/or slope start, the appearance of this error code is considered normal, simply clear the error code 2. Check transmission fiuld condition and level 3. Check the temperature of the engine compartment 4. Clear the error codes | |
| P1715 | Electro Hydraulic Moudel temperature too high | 1. Check transmission fiuld condition and level 2. Check the temperature of the engine compartment 3. Clear the error codes | |
| P1716 P1718 | 1, 3 gear sensor 1/2 short to ground | 1. Read live date of “Actuator 1 position sensor 1” and “Actuator 1 position sensor 2” (normal reading in the range of 200 – 950) 2. Replace the TCU | |
| P1717 P1719 | 1, 3 gear sensor 1/2 short to 5V | 1. Read live date of “Actuator 1 position sensor 1” and “Actuator 1 position sensor 2” (normal reading in the range of 200 – 950) 2. Replace the TCU | |
| P171A P171C | 2, 4 gear sensor 1/2 short to ground | 1. Read live date of “Actuator 2 position sensor 1” and “Actuator 2 position sensor 2” (normal reading in the range of 200 – 950) 2. Replace the TCU | |
| P171B P171D | 2, 4 gear sensor 1/2 short to 5V | 1. Read live date of “Actuator 2 position sensor 1” and “Actuator 2 position sensor 2” (normal reading in the range of 200 – 950) 2. Replace the TCU | |
| P171E P1720 | 5, 7 gear sensor 1/2 short to ground | 1. Read live date of “Actuator 3 position sensor 1” and “Actuator 3 position sensor 2” (normal reading in the range of 200 – 950) 2. Replace the TCU | |
| P171F P1721 | 5, 7 gear sensor 1/2 short to 5V | 1. Read live date of “Actuator 3 position sensor 1” and “Actuator 3 position sensor 2” (normal reading in the range of 200 – 950) 2. Replace the TCU | |
| P1722 P1724 | 6, R gear sensor 1/2 short to ground | 1. Read live date of “Actuator 4 position sensor 1” and “Actuator 4 position sensor 2” (normal reading in the range of 200 – 950) 2. Replace the TCU | |
| P1723 P1725 | 6, R gear sensor 1/2 short to 5V | 1. Read live date of “Actuator 4 position sensor 1” and “Actuator 4 position sensor 2” (normal reading in the range of 200 – 950) 2. Replace the TCU | |
| P1726 P1729 P172C P172F | Main pressure solenoid 1 open circuit / 1, 3 gear solenoid open circuit / 5, 7 gear solenoid open circuit / clutch 1 solenoid open circuit | Replace the mechatronic | |
| P1727 P172A P172D P1739 | Main pressure solenoid 1 short to ground / 1, 3 gear solenoid short to ground / 5, 7 gear solenoid short to ground / clutch 1 solenoid short to ground | Replace the mechatronic | |
| P1728 P172B P172E P1731 | Main pressure solenoid 1 short to power / 1, 3 gear solenoid short to power / 5, 7 gear solenoid short to ground / clutch 1 solenoid short to power | Replace the mechatronic | |
| P1733 P1736 P1739 P173C | Main pressure solenoid 2 short to ground / 2, 4 gear solenoid short to ground / 6, R gear solenoid short to ground / clutch 2 solenoid short to ground | Replace the mechatronic | |
| P1732 P1735 P1738 P173B | Main pressure solenoid 2 open circuit / 2, 4 gear solenoid open circuit / 6, R gear solenoid open circuit / clutch 2 solenoid open circuit | Replace the mechatronic | |
| P1734 P1737 P173A P173D | Main pressure solenoid 2 short to power / 2, 4 gear solenoid short to power / 6, R gear solenoid short to ground / clutch 2 solenoid short to power | Replace the mechatronic | |
| P173E | Pressure sensor malfunction | 1. Read live data of “Oil pump supply pressure”, normal readings should be in the range of (4.2 – 6.0 MPa) 2. Check oil level 3. Replace TCU | |
| P1740 | Oil Pressure too low | 1. Check live data “Oil pump supply pressure” normal value is in the range of (4.2 – 6.9 MPa) (This error code can be triggered when solenoid leaks) 2. Check “Oil Pump Starting Duty Cycle ” should be greater than 135, “Oil Pump Enable Information” should be enabled, and “Oil Pump Speed” should be 500-4500RPM 3. If “Oil Pump Starting Duty Cycle ” is greater than 0 and “Oil Pump Enable Information” is enabled but no “Oil Pump Speed”, check motor pin 1, 9 and 16 for 12VDC; if so, check TCU pin 17 for 5VDC (this pin is powered by motor pin 14). If 5V is not available, check wiring and motor. 4. If all above are normal, consider replacing mechatronic | |
| P1741 | Oil Pump Motor Malfunction | 1. Check live data “Oil pump supply pressure” normal value is in the range of (4.2 – 6.9 MPa) (This error code can be triggered when solenoid leaks) 2. Check “Oil Pump Starting Duty Cycle ” should be greater than 135, “Oil Pump Enable Information” should be enabled, and “Oil Pump Speed” should be 500-4500RPM 3. If “Oil Pump Starting Duty Cycle ” is greater than 0 and “Oil Pump Enable Information” is enabled but no “Oil Pump Speed”, check motor pin 1, 9 and 16 for 12VDC; if so, check TCU pin 17 for 5VDC (this pin is powered by motor pin 14). If 5V is not available, check wiring and motor. 4. If all above are normal, consider replacing mechatronic | |
| P1745 P1746 P1748 P174A P174B | Gear 2/4 unavaliable Gear 5 unavaliable Gear 6/R unavaliable | 1. Check if shift forks can move freely 2. Check if shift forks magnets are intact and free of metal debris and contaminiations 3. Check sync cone and gear system 4. If all above are normal, consider replacing mechatronic |