CG100X Repair Audi Rear Tailgate Module D70F3373

How to read and write to repair Audi rear tailgate module using CG100X.

 

Symptoms: electric rear tailgate malfunction

Common Models: Audi A6 C7, A8 D4, A7

 

Common causes:

Most likely, the fault is in an electronic ( computerized ) module that controls these motors and associated sensors. Audi rear tailgate issues are often caused by water damage to the module, faulty latch sensors, or damaged wiring harness.

 

Repair: repair the tailgate module processor MCU (Renesas D70F3373)

 

Device used: CG100X programmer

Instruction:

Remove and disassemble the Audi rear tailgate module.

This is the processor MCU: D70F3373.

Follow this pinout/wiring diagram to connect module with CG100X programmer via MCU cable.

NOTE: One section needs to be cut off, and after the repair is done, it needs to be welded back in place.

In CG100X software, go to Programmer function. Search D70F3373
Read and save original Pflash and Dflash data.

Modified the Pflash and Dflash data manually.

Then write the modified Dflash and Pflash back to the tailgate module.

Then install the tailgate module back to vehicle.

Tips to Read Hyundai MEDG17.9.8 with CG FC200

We have received feedback from customers reporting that the ECU becomes “bricked” when attempting to read from or write to a Hyundai/Kia MEDG17.9.8 unit using the CG FC200 ecu programmer.

When using the FC200 device on this Hyundai ECU model MEG17.9.8, the bricking issue is actually caused by interference from the transmission (TCU) chip.

 

The CPU architecture features shared ECU + TCU communication. When reading the engine, it is susceptible to interference from the transmission TCU chip, causing password data to conflict and sending the ECU into a pseudo-dead (bricked) state.

There are two solutions:

Option 1: Solder a 1000-ohm resistor at a specific location to eliminate the interference (check images below).

Option 2: Open the ECU shell to avoid the interference.

The most reliable method is to open the cover and remove the crystal oscillator next to the TCU chip to prevent interference. This will create a single channel and prevent the transmission from interfering with the CPU.

Then start read and write this ECU with FC200 on bench mode.

CG FC200 V1.3.5.4 Adds Ford EMS2204 EMS2211 EMS2215 ECUs

CG FC200 ecu programmer released new software version V1.3.5.4 on April 30th, 2026.

 1. Added ECU Read/Write & Checksum Types:
Audi: MED9.1 MPC563/4
Ford (Boot mode): EMS2204, EMS2211
Ford (Bench mode): EMS2215
Chevrolet: PEO1
Honda/Acura:37820-5R3-B51,37820-R48-H73

2. Added DTC (Diagnostic Trouble Code) DisableTypes:
Peugeot/Citroen: MED17.4
BMW: MG1CS201

 
3. Added System Optimizations
Optimized U2W model, fixed issue where some
systems could not be written
Optimized checksum algorithm for ME17.6.8Added backup data restore function for MSV80
AECS FC-34 series temporarily removed (will bere-released once issues are resolved)

 

CG201 Mileage Programmer Update to V33

CGDI CG201 Mileage correction tool released new software V33 on April 29th, 2026.

1.Added 17 Suzuki models.
2.Added 5 Ssangyong models.
3.Added 24 Ford models.
4.Added 4 LINCOLN models.

Added the following Suzuki models:
Suzuki/ERTIGA 24C16 by OBD
Suzuki/SWIFT 2022- Type 1(2022- VDO RH850) by OBD
Suzuki/SWIFT 2021 Type 2(2021 70F353X) by OBD
Suzuki/SWIFT 2020- Type 3(2020- VDO 70F35XX Small screen) by OBD
Suzuki/SWIFT 2020- Type 4(2020- VDO MONOCHROME 70F35XX) by OBD
Suzuki/SWIFT 2020- Type 5(2020- VDO 70F3529) by OBD
Suzuki/SWIFT 2020- Type 6(2020- VDO RH850) by OBD
Suzuki/SWIFT 2018- Type 7(2018- VDO COLOR 70F35XX) by OBD
Suzuki/SWIFT 2018- Type 8(2018- VDO MONOCHROME 70F35XX Type 1) by OBD
Suzuki/SWIFT 2018- Type 9(2018- VDO MONOCHROME 70F35XX Type 2) by OBD
Suzuki/SWIFT 2017- Type 10(2017- VDO COLOR 70F35XX) by OBD
Suzuki/SWIFT 2017- Type 11(2017- VDO MONOCHROME 70F35XX) by OBD
Suzuki/SWIFT 2015- Type 12(2015- D70F3524) by OBD
Suzuki/SWIFT 2014- Type 13(2014- VDO 70F35XX+24C16) by OBD
Suzuki/SWIFT -2014 Type 14(-2014 D70F3422) by OBD
Suzuki/SWIFT DZIRE 2020- VDO 70F35XX Small screen by OBD
Suzuki/XL7 2006-2010 by OBD

Added the following Ssangyong models:
Ssangyong/ACTYON Type 1(24C16) by OBD
Ssangyong/ACTYON 2011- Type 4(2011- NEC) by OBD
Ssangyong/KORANDO 2011- NEC by OBD
Ssangyong/TIVOLI D70F353X by OBD
Ssangyong/REXTON 2018 VDO R7F701412 by OBD

Ford Add the following models:
Ford/B-MAX by OBD
Ford/FOCUS 2011- D70F3425 by OBD
Ford/GALAXY 2 Type 1 9S12 by OBD
Ford/GALAXY 2 Type 2 9S12X by OBD
Ford/MONDEO Type 14 2007 9S12X by OBD
Ford/MONDEO Type 15 MAC7116 by OBD
Ford/S-MAX Type 6 9S12X by OBD
Ford/S-MAX Type 7 9S12X by OBD
Ford/TOURNEO 2012- Type 1(D70F3425) by OBD
Ford/C-MAX Type 5 9S12 by OBD
Ford/CONNECT 9S12 by OBD
Ford/EX50 Type 1 9S12 by OBD
Ford/ECOSPORT Type 8 9S12 by OBD
Ford/ESCAPE Type 10 9S12 by OBD
Ford/ESCAPE Type 11 HYBRID by OBD
Ford/EXPLORER Type 21 9S12 by OBD
Ford/FX50 2004- 9S12 by OBD
Ford/FIVE HUNDRED 500 9S12 by OBD
Ford/FOCUS 2004- 9S12 by OBD
Ford/TOURNEO 2006- Type 1 9S12 by OBD
Ford/TRANSIT 2006- Type 1 9S12 by OBD
Ford/FOCUS 2013- Type 1 by OBD
Ford/FOCUS 2009- MULTIFUNCTIONAL SCREEN by OBD
Ford/KUGA 2010 by OBD

LINCOLN Add the following models:
LINCOLN/AVIATOR Type 4 9S12 by OBD
LINCOLN/MARK LT by OBD
LINCOLN/NAVIGATOR Type 8 9S12 by OBD
LINCOLN/TOWN CAR 9S12 by OBD