| Fault Code Description |
|---|
|
Monitoring of the adaptation values of the nitrogen oxide sensor before the SCR catalytic converter. The fault is detected when the adaptation value drops below a limit value. Limit value: -30 ppm |
| Fault Code Conditions | |
|---|---|
| General Conditions |
The fault is entered immediately. Control unit voltage: 9.5 V to 16 V. |
| Terminal Condition |
|
| Driving Conditions | |
| Fault Time Condition |
|---|
|
The fault is entered if it is present for longer than the following period (debounce time): 655350 ms |
| Service Plan |
|---|
|
1. If the frequency counter of the fault is 1: Delete fault. 2. If the fault occurs more than once, replace the NOx sensor before the SCR catalytic converter. |
| Fault Impact |
|---|
| Warnings | |
|---|---|
| Warning Lights |
None |
| Control Center Messages | |
| Service Notes |
|---|
|
If a nitrogen oxide sensor is replaced, the following service function must be carried out: SCR system adjustments and adaptations, SCR exhaust emission sensor system. |