Manufacturer Code Charts: 153600

Component 'NOx sensor upstream of SCR catalytic converter' has an internal fault.


Possible cause:

- NOx sensor upstream of SCR catalytic converter
Affected functions:

- Power generation

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Test 1: Check component N37/7b1 (NOx sensor downstream of diesel particulate filter).

1. Check component N37/7b1 (NOx sensor downstream of diesel particulate filter).
Possible cause and remedy:Component N37/7b1 (NOx sensor downstream of diesel particulate filter) is defective.Replace component N37/7b1 (NOx sensor downstream of diesel particulate filter).Further procedure:Start teach-in processes after replacement of component N37/7b1 (NOx sensor downstream of diesel particulate filter) by pressing button F2.

Warning!Communication with ECU required.