Fault Code U012100, U014600 After Software Update For Transmission Control Unit (LI27.60-P-064637)
Publication date: 2016-08-09Reference number: LI27.60-P-064637
FAULT CODE U012100, U014600 AFTER SOFTWARE UPDATE FOR TRANSMISSION CONTROL UNIT
TECHNICAL SERVICE BULLETIN
Reference Number(s): LI27.60-P-064637 Version 1, Date of Issue:
August 9, 2016
| Mercedes-Benz: | Model designation 231.479 |
| Design Group: | 27.60 Gearshift, control |
COMPLAINT
Fault code U012100, U014600 after software update for transmission control unit
NOTE:
U012100 - Communication with ESP has a malfunction
U014600 - Communication with central gateway has a malfunction
CAUSE
Error in transmission software documentation
REMEDY
Please create a PTSS case with current quicktest and eeprom attached. Case will be sent to Service Engineer for analysis.
NOTE:
Do not update any additional control units
CONTROL UNIT/FAULT CODE
CONTROL UNIT/FAULT CODE
| Control unit | Fault code | Fault text |
|---|---|---|
| Y3/8n4 - Fully integrated transmission control (VGS) (VGS4NAG2) | U012100 | Communication with ESP has a malfunction. _ |
| Y3/8n4 - Fully integrated transmission control (VGS) (VGS4NAG2) | U014600 | Communication with the central gateway has a malfunction. _ |