Common Failures of CHERY 804000031AA Key computer for TIGGO8 PRO/TIGGO8/TIGGO7/TIGGO7 PRO/TIGGO5X/TIGGO5X PRO
- Key Signal Interference: Many TIGGO series owners with OE number 804000031AA report key computer signal interference, affecting normal unlocking and starting.
- Battery Drain Issue: The key computer of TIGGO8 PRO and other models may cause abnormal battery drain, leading to fast power loss.
Maintenance Tips of CHERY 804000031AA Key computer for TIGGO8 PRO/TIGGO8/TIGGO7/TIGGO7 PRO/TIGGO5X/TIGGO5X PRO
- First, when replacing the CHERY Key computer (OE# 804000031AA) in models like TIGGO8 PRO, ensure the ignition is off to prevent electrical short - circuits.
- Second, use diagnostic tools to read the original key computer data. This helps in programming the new key computer accurately for TIGGO8, TIGGO7 and other models.
- Third, check the physical connectors of the Key computer. Clean them if there is dirt or corrosion, especially in TIGGO5X PRO, to ensure a stable connection.
- Fourth, follow the correct programming sequence for the CHERY Key computer. Incorrect programming can lead to the key not working properly.
- Fifth, test the key functionality immediately after installation. Try locking, unlocking and starting the vehicle to confirm the Key computer is working as expected.
Electrical Shock Warning – The Key computer involves high - voltage components. Disconnect the battery before installation and wear insulated gloves to avoid electric shock.