Error P043A on Chery все модели
Catalyst Temperature Sensor Circuit Bank 2 Sensor 2
Code
P043A
Vehicle
Chery все модели
Category
Powertrain
Severity
⚠️ MediumSymptoms
- Check Engine light is on
- Bank 2 catalyst temperature control failure
- Increased harmful emissions
- In most cases, ride quality is not affected
- Emergency neutralizer control mode possible
Causes
- Faulty bank 2 catalytic converter temperature sensor
- Open or shorted sensor wiring
- Damage to wire insulation due to high temperatures
- Oxidation or damage to the sensor connector
- Mechanical damage to the sensor
- ECU malfunction (rare)
How to Fix
- Read all error codes - pay attention to the combination with P043B
- Visually inspect the sensor and wiring in the catalyst area of bank 2
- Check the voltage and grounding in the sensor connector with the ignition on
- Measure the sensor resistance and compare with the norm
- Replace the temperature sensor if the fault is confirmed
- Check the integrity of the wiring harness from the sensor to the ECU
- Reset codes and take a test drive