LI49.20-N-075995

Vehicles with SCR Generation 4: SCR/AdBlue®
warning message cannot be reset (P13DF00)
Topic number
LI49.20-N-075995
Version
1
Function group
49.20 - Exhaust gas aftertreatment
Date
3/8/23
Validity
Model 907 with code KP7 (Generation 4 SCR exhaust
gas cleaning)
Reason for change
Complaint
Vehicles with SCR Generation 4: SCR/AdBlue® warning message cannot be reset.
Information: All fault codes in AdBlue® (SCR) control unit have been processed and rectified; however fault code
P13DF00 remains active and stored in the AdBlue® (SCR) control unit.
Cause
The procedure for resetting the SCR/AdBlue® warning message with XENTRY Diagnosis has not been carried out.
Information: In order to reset the SCR/AdBlue® warning message for SCR Generation 4, the AdBlue® system needs
to be checked.
Remedy
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Note: Do not replace any component parts
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1.
Connect charger (see AR54.10-D-1127TS for model 907).
Note: An adequate voltage from the on-board electrical system battery must be guaranteed for the entire duration of the work procedure. Otherwise the control units could be damaged if an undervoltage occurs.
Information: Observe the operating instructions of the charger.
Information: Use the charger to ensure an adequate voltage (at least 12.5 V) from the on-board electrical system
battery.
2.
-------------------------------------------------------------------------------------------------------------------------------Connect diagnostic device (see AD00.00-D-2000-06TS for model 907).
Information: Strict compliance with the operation steps as specified in XENTRY Diagnosis is absolutely essential.
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Note: Use either XENTRY Diagnosis version 09/2021 with all associated and up-to-date add-ons or a higher version of XENTRY Diagnosis.
3.
-------------------------------------------------------------------------------------------------------------------------------Carry out the procedure for resetting the SCR/AdBlue® warning message with XENTRY Diagnosis.
Note: To do this, select the following menu items:
Model 907: Quick test view → N118/5 – Selective Catalytic Reduction (SCR GEN4) → Special processes → Reset
SCR/AdBlue® warning message.
Note: It is essential that all 5 listed processes are completed successfully (Rountinfo actual value: "successfully
completed").
Information: After the SCR/AdBlue® warning message has been reset, the status of fault code P13DF00 in the
AdBlue® (SCR) control unit changes from active and stored (A+S) to stored (S) and the fault code can now be
deleted.
4.
-------------------------------------------------------------------------------------------------------------------------------Erase fault memory.
5.
-------------------------------------------------------------------------------------------------------------------------------Disconnect diagnostic device from vehicle (see AD00.00-D-2000-06TS for model 907).
6.
-------------------------------------------------------------------------------------------------------------------------------Disconnect charger from vehicle (see AR54.10-D-1127TS for model 907).
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***********************************************************************************************************************
Note: It is not permitted to replace parts or to invoice for material or wage costs under the warranty or goodwill in connection with an incorrectly executed reset of the SCR/AdBlue® warning message with XENTRY Diagnosis.
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WIS-References
Document number
Title
Note
AD00.00-D-2000-06TS
Connect/disconnect diagnostic device Model 907
AR54.10-D-1127TS
Maintain on-board electrical system
Model 907
voltage for testing and diagnosis work
on the vehicle
Symptoms
Power generation > Exhaust system > AdBlue > AdBlue consumption > Too high
Power generation > Exhaust system > AdBlue > AdBlue consumption > Too low
Power generation > Engine management > Indicator lamp > Engine diagnosis > lit
Power generation > Engine management > Function > Malfunction
Communication/information > Information display > Indicator lamp > lit
Control unit/fault code
Control unit
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Fault text
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N118/5 | N141 - Selective catalytic reduction (SCR
GEN4) (UDCM2)
P13DF00 - The AdBlue® system has a malfunction. _
Operation numbers/damage codes
Op. no.
Operation text
Time
541011
Perform quick test
---
540650
Maintain on-board electrical system vol- --tage (for testing and diagnosis work)
470642
CHECK ADBLUE(R) SYSTEM (AFTER --QUICK TEST)
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Damage
code
Note
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