Engines / UDS Engines by part number / 01 - Engine [EV_ECM20TDI01104L906026EC 004004] / Reducing agent AD-Blue - status check

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Mark	Model	Control unit	Diagnostic operation

Mark

Select a vehicle make or a common group such as Service Intervals, Engines, Transmissions, Immobilizers and Independent Heaters.

Model

Part 1 of the order number Select the first three characters of the order number of the engine control unit. This number can be found in the VCDS when linked to the uniform in the SW order number field. Do not insert the ordering number from the control unit packaging here!!!

Select the first three characters of the order number of the engine control unit. This number can be found in the VCDS when linked to the uniform in the SW order number field. Do not insert the ordering number from the control unit packaging here!!!

Control unit Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Diagnostic operation Select the desired diagnostic procedure.

Diagnostic procedure

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Conditions:
- actual additive volume = MAX
- engine speed = X rpm
- the vehicle must stand on even ground

Advanced Measured Values

select item in menu:

IDEXXXXX - temperature sensor: Reducing agent
IDEXXXXX - Reducing agent: status
IDEXXXXX - Reducing agent: actual additive volume
IDEXXXXX - Reducing agent: level sensor

TIP! For easier search in the menu, enter the code IDE, ENG or MAS into the "Filter" window

desired condition:

IDEXXXXX - temperature sensor: Reducing agent = ambient temperature
IDEXXXXX - Reducing agent: status = OK
IDEXXXXX - Reducing agent: actual additive volume = actual value
IDEXXXXX - Reducing agent: level sensor = actual value

if values are not achieved:

IDEXXXXX = test of components: temperature sensor: Reducing agent
IDEXXXXX = execute function: Zero detection of SRC additive level - AdBlue
IDEXXXXX, IDEXXXXX = test of components: level sensor

End of test

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