P2019

Power output limited because of excessively high temperature of coolant

Test 1: Test engine cooling system.

1. Test engine cooling system.
Test prerequisite

- Fault code 'P2019' present
Causes for constant overheating of engine may be

- Coolant level is not o.k.
- There is air present in the coolant circuit.
- The coolant circulation is insufficient.
- Radiator
- Coolant thermostat
- M4/7 (Engine and AC electric suction fan with integrated control)
Guided tests ( Operate pushbutton F2. )

Test PWM signal for operating the suction fan.

Warning!Communication with ECU required.