Here are the instructions on fixing Mercedes Benz DCT transmissions error P051300 error using the OBDSTAR DC706 ECU TCU programmer.
Transmission type:
VGS2 FDCT
Symptoms:
car will start but cannot put into gears.
Fault code:
DTC P051300
What is the P051300 error code?
The P051300 can sometimes occur in FDCT transmissions in the w176, w177 A-class, w117, w118 CLA-class, w156, w157 GLA-class, and w246, w247 B-class vehicles. It happens when the battery voltage drops too low. The data in the memory of the FDCT transmission is getting corrupted.
OBDSTAR DC706 helps solve this issue easily.
Tools need:
OBDSTAR DC706 ecu tcu programmer
P004 adapter
Benz GETRAG VGS2 FDCT TCU
Power supply (12V 5A)
NOTE:
Use a reliable high-power DC stabilized power supply with 12V 5V to power ECU when doing Bench/Boot mode. OBSDTAR Standard 12V-2A power supply is only intended for charging the device and it is not recommended for powering the ECU.
Repair Benz VGS2 FDCT TCU by OBDSTAR DC706:
Go to TCM software
Quick search Benz GETRAG VGS2 FDCT TC1784
Select Bench mode with P004 adapter
Check instructions and wiring diagram
Follow wiring diagram to connect OBDSTAR DC706 with VGS2 FDCT TCM via P004 adapter
Function requires network connection.
Turn on ignition on P004.
Press ‘Connect’
Switch ignition off.
Then switch ignition on again.
Read and save INT flash
Read and save INT EEPROM
Select ‘Repair Data’ function
Repair data in progress
Wait until finished.
Repair data successfully.
Check with Mercedes diagnostic scanner again and see if fault code is disappeared.
