How to Unlock Ford BOSCH MD1CP006 with OBDSTAR ECU Master via Boot?

 This guide covers the procedure for unlocking, reading, and writing locked Bosch MD1 CP006 engine control units found on Ford F-250 and F-350 trucks using OBDSTAR ECU Master in Boot mode.

Required Hardware & Accessories:

• OBDSTAR ECU Master Full Version/Configuration A
• USB cables
• 3-in-1 wires & jumper wires
• C4–06 adapter
• Regulated DC power supply

Operational Steps

1.Software Setup

Open ECU Master software, navigate to ECU Flasher -> ECM-> ECM V33.40

Search for md1cp006

Choose the corresponding Ford locked option

Click Start and select Boot mode

2.Hardware Preparation

Open the Guide tab within the software

Carefully remove the ECU cover and solder the harness to the designated PCB contact points according to the provided Pinout diagram.

3.Connection Check

Verify all physical pin and solder connections, then click Connect.

4.Data Reading

Once connection is established, click Read INT EEPROM, then click Read INT Flash. Save both data files to your local drive.

5.Data Writing

To flash modified files or backups, select Write INT EEPROM and Write INT Flash.

6.Reassembly

After writing completes, disconnect ECU Master and resolder any resistors removed during the initial setup before sealing the ECU cover.

Done!

Solved: Flex USB Disconnect on Land Rover MG1CS028 Boot Glitch

 If your Flex ECU Tool instantly shuts down and drops its USB connection while trying to Boot Glitch a Bosch MG1CS028 ECU from a Land Rover Defender P400, here is why it happens and how to fix it on your bench.

What Causes the Shutdown?

1.Wrong GND Pin:

The default Flex harness layout uses a secondary GND pin that causes a short on some MG1CS028 board revisions.

This forces the tool to kill the USB connection to protect itself.

2.Low Glitch Damping:

The recommended 2.2-ohm resistor on the glitch line doesn’t dampen the signal enough for a clean unlock pulse.

Step-by-Step Bench Solution

1.Move the Ground Lead:

Do not use the default Flex GND pin.

Move the black GND wire to the main power block on the upper-right pin grid (use AutoTuner GND location instead).

2.Change Glitch Resistance to 5 Ohms:

Replace the 2.2-ohm resistor with a 5-ohm resistor on your glitch probe.

If you don’t have a 5-ohm resistor, wire two 10-ohm resistors in parallel.

3.Run the Unlock:

Start the Boot Glitch sequence in Flex software.

It will unlock cleanly without triggering a USB drop.

4.Restore Board & Read:

Resolder the factory SMD resistor back onto the PCB pads, switch over to standard Bench mode, and pull your full backup read.

Flex: BMW M3 G80 ECU Unlock Success in Glitch Boot Mode

 I’ve unlocked a few of these BMW M3 G80 Competition ECUs already, but this one won’t unlock on the bench with Flex. For this unit, I used Flex Glitch Boot Mode with a BDM adapter, and the ECU went through the unlock process successfully.

Set Up the Glitch Connection

1. I made the ECU connections for Glitch Boot Mode and fitted the BDM adapter to the BDM frame.
2. The ignition connection is important here. A4 is the ignition power wire, shown as the pink wire in this setup. Flex uses this to switch the ignition power during the process.
3. With the connections in place, I closed the setup and connected with Flex. The tool was able to identify the processor, so the connection was good.

Read the ECU and Start Unlock

1. The ECU uses a Tricore 298TP After Flex identified it, I went ahead with Unlock.
2. Flex warns that interrupting the process can cause irreversible ECU damage. I confirmed the warning and left all the cables and connections untouched.
3. The tool started reading the ECU data and continued with the unlock process.

Patch & Write Back

1. Flex then moved to Patching and patched the file.
2. It wrote the patched file back into the ECU.
3. Once that finished, the ECU showed as unlocked. At this point, it can be programmed through OBD.

Unlock Result

The BMW M3 G80 Competition ECU was successfully unlocked with Flex Glitch Boot Mode. The ECU was then ready to go back on the vehicle, with the basic vehicle functions expected to work normally.

OBDSTAR Official Q&A: BMW BOSCH MD1 MG1 Bench Unlock

 With the recent software upgrade for OBDSTAR X300 Classic G3 (Key Master G3), DC706 ECU Tool, and ECU Master, technicians can now handle (2021-) locked BMW B48, B57, and B58 control units on the bench. Here are the facts regarding how this bench protocol functions and what operations it allows.

Q1: After I unlock an MG1CS201 or MG1CS024 DME (found on B58/S58 engines), can I flash off-the-shelf tunes through the OBD port?

A: Direct OBD flashing remains unavailable. The present firmware update is designed solely for pinout-based bench operations, allowing you to unlock, read, and write data without physically altering the circuit board.

Q2: Is OBDSTAR developing a solderless hardware adapter specifically for unlocking?

A: No adapter is planned. Non-invasive bench unlocking works exclusively on BMW units at present. Engine modules from other manufacturers still demand opening the casing and removing board resistors, making a universal plug-and-play adapter unfeasible.

Q3: Can we unlock, read, or write Indian-market MD1 ECUs built with the TC375 chip?

A: This specific processor is not supported yet. Currently, processor unlocking covers only MD1 and MG1 control units running on TC298 and TC2989 microcontrollers.

Q4: Does the unlock feature work on Bosch MD1 modules manufactured after June 2020?

A: Yes. The software unlocks a majority of post-June 2020 encrypted MD1 units containing TC29X processors (such as MD1CS012 and MD1CS003 variants). Note that MD1CS016 units powered by the TC399 chip are excluded.

Q5: Can I modify sectors 1, 2, and 3 or use popular OBD tuning software like MHD or Bootmod3 (BM3)?

A: No. Sector 1 through 3 modification is restricted. Although the software applies a permanent unlock, all subsequent reading and writing must be carried out through OBDSTAR tools.

How to Fix Yanhua ACDP2 Entering Safe Mode Error on 2021+ BMW DME?

 Problem: One customer reported that he got an "Entering safe mode error" while reading EEPROM on a 2021 BMW X3 (DME Part №5A24 334–01) using Yanhua Mini ACDP2 and B48/B58 Bench Interface Board.

Why does this happen?

BMW started hardware-locking DMEs after 2020. Standard ACDP2 menu options like "B48 MG1CS003 SPC5777" cannot bypass this lock directly.

How to solve it:

1.Get ACDP A520 License for locked BMW DMEs activated on your device.

2.Open your software and head to:

BMW -> ECU RD/WR -> BOSCH DME -> Gxx

Look specifically for the options marked LOCK that match your engine code:

• B47 (MD1CS001 TC298TP LOCK)
• B48 (MG1CS201 TC298TP LOCK)
• B57 (MD1CP032 TC299TP LOCK)
• B58 (MG1CS024 TC298TP LOCK)

LAUNCH X431 XPROG5 2020.06- Locked BMW MD1 MG1 ECUs Support List

 As of September 21, 2026, the X-431 ECU Clone Software (V10.75) enables full BENCH mode reading and writing for locked BMW MD1 and MG1 engine modules (equipped with TC298 microcontrollers).

Hardware Compatibility

• X431 X-PROG5
• X431 ECU & TCU Programmer
• X431 X-PROG3 with PC Adapter

Supported Modules (BENCH Operations)

• MD1 Series: MD1CS001 (Locked), MD1CS201 (Locked), MD1CP032 (Locked)
• MG1 Series: MG1CS003 (Locked), MG1CS024 (Locked), MG1CS049 (Locked)

BMW MD1 MG1 ECU Support List

1 Series: 6HP19_AUTODETECTED, DKG 436 Gen1_TC1766, 8HP45

• MD1CS001 (Locked) TC298
• MG1CS003 (Locked) TC298
• MD1CS024 (Locked) TC298
• MD1CS201 (Locked) TC298

2 Series:

• MD1CS001 (Locked) TC298
• MD1CS024 (Locked) TC298
• MD1CS201 (Locked) TC298

2 Series Gran Coupe:

• MD1CS001 (Locked) TC298
• MD1CS024 (Locked) TC298

3 Series: 6HP19_AUTODETECTED, 6HP21_AUTODETECTED, 6HP26_AUTODETECTED, 8HP45, DKG 436 Gen1_TC1766, 8HP Gen3

• MD1CS001 (Locked) TC298
• MG1CS003 (Locked) TC298
• MD1CP032 (Locked) TC298

3 Series GT:

• MG1CS003 (Locked) TC298

4 Series: 8HP45, DKG 436 Gen1_TC1766, DKG 436 Gen2_TC1784, 8HP Gen3

• MD1CS001 (Locked) TC298
• MG1CS003 (Locked) TC298
• MD1CP032 (Locked) TC298

4 Series Gran Coupe:

• MD1CS001 (Locked) TC298

5 Series: 6HP19_AUTODETECTED, 6HP26_AUTODETECTED, 8HP45, DKG 436 Gen1_TC1766, MEVD17.2 Fxx, 8HP Gen3, 8HP50

• MD1CS001 (Locked) TC298
• MG1CS003 (Locked) TC298
• MD1CP032 (Locked) TC298

6 Series GT: 8HP Gen3

• MD1CS001 (Locked) TC298
• MG1CS003 (Locked) TC298
• MD1CP032 (Locked) TC298

7 Series: 6HP21_AUTODETECTED, 6HP26_AUTODETECTED, 6HP28_AUTODETECTED, 8HP45, F-6HP-Gen2_TC1766, 8HP Gen3

• MG1CS003 (Locked) TC298

8 Series: 8HP Gen3

• MD1CP032 (Locked) TC298

X1 Series: 8HP45, BMW-MINI-7DCT300

• MD1CS001 (Locked) TC298
• MD1CS201 (Locked) TC298
• MD1CP032 (Locked) TC298

X2 Series: BMW-MINI-7DCT300

• MD1CS001 (Locked) TC298
• MD1CS024 (Locked) TC298
• MD1CS201 (Locked) TC298
• MD1CP032 (Locked) TC298

X3 Series: 6HP19_AUTODETECTED, 6HP21_AUTODETECTED, 8HP45, MEV17.2 Fxx, 8HP Gen3

• MD1CS001 (Locked) TC298
• MG1CS003 (Locked) TC298
• MD1CP032 (Locked) TC298

X4 Series: 8HP45, 8HP Gen3

• MD1CS001 (Locked) TC298
• MG1CS003 (Locked) TC298
• MG1CS049 (Locked) TC298
• MD1CP032 (Locked) TC298

X5 Series: 6HP26_AUTODETECTED, 8HP45, 8HP Gen3

• MD1CS201 (Locked) TC298
• MD1CP032 (Locked) TC298

X6 Series: 8HP45, 8HP Gen3

• MD1CP032 (Locked) TC298

X7 Series: 8HP Gen3

• MG1CS003 (Locked) TC298
• MD1CP032 (Locked) TC298

Z4:

• MG1CS003 (Locked) TC298

M3/M2-Series/M4-Series/X3 M/X4 M:

• MG1CS049 (Locked) TC298

MINI MD1 ECU Support List:

• Clubman: MD1CS201 (Locked) TC298
• Cooper: BMW-MINI-7DCT300 MD1CS201 (Locked) TC298
• Cooper Countryman: MD1CS201 (Locked) TC298
• Cooper S Clubman/ALL4: MD1CS024 (Locked) TC298
• One Clubman/D Clubman: MD1CS201 (Locked) TC298
• Cooper D Clubman/D Countryman/SD Clubman/SD Clubman ALL4/SD Countryman: MD1CS001 (Locked) TC298

While locked BMW BENCH protocols work on several Launch tools, X-PROG5 Programmer handles specific high-security chips exclusively:

• RH850 Immobilizers: Read RH850 chips (R7F7010193, R7F7010253, R7F7010563, R7F7010566) for Ford, Jeep, Nissan, and Renault anti-theft systems.
• GM Body Modules: Read and write RH850 series chips inside GM BCMs.
• Locked VW ECUs (BOOT Mode): Read/write locked VW MG1CS031 H80 and MG1CS111 H80 (TC298).
• Bosch MD1CS089 (BOOT Mode): Read/write locked MD1CS089 (TC299) units.

Universal Features in Software V10.75

(Available for Launch G5, X-431 ECU Programmer, and X-PROG3 with PC Adapter)

• Continental SIMOS18.x: Full BOOT mode cloning, reading, and writing for SIMOS18.2, 18.3, 18.6, and 18.7.
• Fiat & Magneti Marelli: Parse Fiat MB91 IMMO data; reset and parse Marelli 4GV and ME7.5.30; reset and edit VIN on Marelli 7GF.
• Data Repair & TCM: Repair EDC17C69 ECU data and perform BENCH read/write on CPGDSH2.26.X modules.

How to Update:

Update directly through your PC client or download the installer at [https://en.cnlaunch.com/download/]

LAUNCH X431 PRO3 HD: 2025 Toyota Corolla HV Battery Status Update

 After replacing the HV battery, Toyota requires a Battery Status Info Update to update the battery status information stored in the ECU. I tested this function on a 2025 Toyota Corolla Hybrid with the LAUNCH X431 PRO3 HD, and the update went through normally.

The function is available on Launch X431 Diagnostics full range of comprehensive equipment.

Enter the Battery Status Update Function

1. On the X431 PRO3 HD, go to Local Diagnose >> TOYOTA >> OK >> Automatic Search (Europe and Other) >> 2024.05-, then confirm the vehicle information and click OK.
2. Open System Topology >> Hybrid Control (HC) >> ENTER >> Special Function >> Battery Status Info Update.
3. Confirm that there are no HV/EV or battery-related DTCs stored, then click OK.

Run the Update

1. Wait for the Battery Status Info Update to finish. It takes about 12 minutes.
2. Do not turn IG OFF during the update.
3. When the update is complete, turn the power switch OFF and ON, then click OK.

Check the Result

Start the vehicle and confirm it starts normally with the basic vehicle functions working properly.