Error U009A on Chery все модели
Vehicle Communication Bus H (-) shorted to Bus H (+)
Code
U009A
Vehicle
Chery все модели
Category
Network
Severity
🔴 HighSymptoms
- Instruments on the panel do not work or do not work correctly
- The engine runs rough or stalls
- Check Engine light comes on
- There is no connection with diagnostic equipment
- Certain car systems do not work (ABS, ESP, etc.)
Causes
- Damage to the CAN bus wiring harness
- Short circuit in one of the ECUs
- Corrosion or oxidation of connector contacts
- Mechanical damage to wiring
- Malfunction of CAN bus terminators
How to Fix
- Check the integrity of the CAN bus wiring harness
- Check the resistance between lines CAN-H+ and CAN-H-
- Inspect connectors and contacts for corrosion
- Disable the modules one by one to find the faulty ECU
- Check the serviceability of the CAN bus terminators
FAQ
Можно ли временно устранить неисправность?
Нет, проблема требует профессиональной диагностики и ремонта.
Какие системы могут перестать работать при этой неисправности?
Любые системы, использующие шину CAN: двигатель, АКПП, ABS, ESP, климат-контроль и другие.