P00B2

Описание

Radiator Coolant Temperature Sensor, Circuit Implausible Signal

Частые симптомы

• Unrealistic radiator coolant temperature readings
• Check Engine Light
• Possible incorrect cooling fan operation
• Erratic cooling system behavior
• Temperature-related engine protection issues

Возможные причины

• Faulty radiator temperature sensor output
• Sensor signal interference or noise
• Wiring issues causing signal corruption
• ECU signal processing fault
• Sensor calibration drift

Диагностика

1. 1. Check radiator temperature sensor signal quality
2. 2. Compare with realistic temperature expectations
3. 3. Test for signal interference or noise
4. 4. Inspect sensor wiring for issues
5. 5. Verify ECU signal processing logic

Решения по ремонту

• Replace faulty radiator temperature sensor
• Repair signal wiring issues
• Add signal filtering if needed
• Update ECU software if processing faulty
• Reset cooling system adaptations

Профилактика

• Protect radiator sensor wiring from electrical interference
• Regular cooling system signal quality checks
• Address unrealistic temperature readings promptly