Fault Code 203C11 (The ADBLUE Fill Level Sensor Has A Short Circuit To Ground) Is Stored In The ADBLUE Control Unit (LI47.40-P-050113)
Publication date: 2010-08-11Reference number: LI47.40-P-050113
FAULT CODE 203C11 (THE ADBLUE FILL LEVEL SENSOR HAS A SHORT CIRCUIT TO GROUND) IS STORED IN THE ADBLUE CONTROL UNIT
TECHNICAL SERVICE BULLETIN
Reference Number(s): LI47.40-P-050113 Version 1, Date of Issue:
August 11, 2010
| Mercedes-Benz: | Model 164.125 with OM642 and code U42 (Bluetec diesel exhaust treatment); Model 164.825 with OM642 and code U42 (Bluetec diesel exhaust treatment); Model 251.125 with OM642 and code U42 (Bluetec diesel exhaust treatment); Model 251.124 with OM642 and code U42 (Bluetec diesel exhaust treatment); Model 164.824 with OM642 and code U42 (Bluetec diesel exhaust treatment); Model 164.124 with OM642 and code U42 (Bluetec diesel exhaust treatment); Model 212.024 with OM642 and code U42 (Bluetec diesel exhaust treatment); Model 212.224 with OM642 and code U42 (Bluetec diesel exhaust treatment) |
| Design Group: | 47.40 Control units / modules |
| Reason For Change: |
COMPLAINT
Engine diagnosis warning lamp lights up.
Fault code 203C11 (The AdBlue fill level sensor has a short circuit to ground) is stored in the AdBlue(R) control unit.
CAUSE
The insulation resistance of the activated urea tank heater in the AdBlue(R) tank changes over time. (when new 8 Mohm => after one year approx. 22 kohm).
REMEDY
Program new AdBlue(R) control unit software.
New software is available as of DVD 05/2010 with add-on 1536.
SYMPTOMS
SYMPTOMS
| Power generation / Engine diagnosis / Engine management / Lights up / Engine management indicator lamp / |
CONTROL UNIT/FAULT CODE
CONTROL UNIT/FAULT CODE
| Control unit | Fault code | Fault text |
|---|---|---|
| SCR-Selective Catalytic Reduction (M (164), R (251), GL (164)) | 203C11 | Fill level sensor 'AdBlue' has a short circuit to ground. |
| SCR - Selective catalytic reduction (N118/5) (SCRCM) (E (212)) | 203C11 | The AdBlue® fill level sensor has a short circuit to ground. |
WORK UNITS
WORK UNITS
| Op. no. | Operation text | Time | Damage code | Note |
|---|---|---|---|---|
| 47072 73 | AdBlue(R) tank fill level sensor |