P2CA4

Symptoms

• Check Engine Light Is On
• Reduced engine power
• Increased fuel consumption
• Problems with diesel particulate filter regeneration
• Errors in the exhaust gas purification system

Causes

• Pressure sensor connectors mixed up
• Damage to the wiring to the sensors
• Malfunction of one of the pressure sensors
• Problems with the engine control unit
• Mechanical damage to the particulate filter

How to Fix

1. Check that the pressure sensors are connected correctly
2. Inspect the condition of the wiring and connectors
3. Check sensor readings using diagnostic equipment
4. If necessary, replace faulty sensors
5. Reset the error and check the system operation

Related codes

Error P2CA4 by Vehicle Brand