Fault Code Description |
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The fault is detected if the nitrogen oxide sensor after SCR catalytic converter does not transmit values within a specified time. |
Fault Code Conditions | |
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General Conditions |
- The engine control unit must be in after-run. - The nitrogen oxide sensor must be enabled. - The exhaust temperature must be between a lower and upper limit value: Lower limit value: Between 49.96°C and 109.96°C (depending on the version). Upper limit value: 499,96 deg C Control unit voltage: 9.5 V to 16 V. |
Terminal Condition |
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Driving Conditions |
Fault Time Condition |
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The fault is entered if it has been detected more than the following number of times (fault debouncing counter): 1 |
Service Plan |
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Install the correct nitrogen oxide sensor variant downstream of the SCR catalytic converter. |
Fault Impact |
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Warnings | |
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Warning Lights |
None |
Control Center Messages |
Service Notes |
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If the nitrogen oxide sensor downstream of the SCR catalytic converter is replaced, the following service function must be carried out: SCR system adjustments and adaptations, SCR exhaust emission sensor system. |