
GODIAG GT105 II ECU IMMO Programming OBD2 Breakout Box with ECU Connector, Vehicle Voltage Display, and Low Battery Alarm
$24.99
Package: 17cm*12cm*6cm ( Inch: 6.68*4.71*2.36 )
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GODIAG ECU IMMO Prog AD GT105 II
Product Introduction:
The GODIAG ECU IMMO Prog AD GT105 II is designed for OBD2 short-circuiting in vehicles to support IMMO activation, ECU diagnosis and programming, and to draw power from the vehicle battery for on-site maintenance. Compared with the previous GT105 model, the GT105 II adds five new functions:
- Vehicle voltage display
- Remote control battery (CR2032) testing
- Car battery voltage alarm when below 11V
- Toyota steering angle sensor matching
- Lamborghini ID48 key IMMO auxiliary activation
This tool enhances efficiency and safety during ECU programming and IMMO operations for various vehicle models.

GODIAG ECU IMMO Prog AD GT105 II – Full Feature Description
The GT105 II is equipped with PWM+ (PIN2), CANH (PIN6), CANL (PIN14), and K-Line (PIN7) signal communication indicators. During data communication, the corresponding protocol indicator flashes, allowing users to verify communication status and ensure the diagnostic or programming device is functioning correctly.
The device is designed for outdoor use, drawing power from the vehicle battery and converting it into a DC 12V supply to power diagnostic equipment, provide charging, or serve as an independent power source.
It offers OBD2 independent PIN4 body GND and PIN5 signal GND, enabling special programming of certain modules. When used with the OBD2 full-protocol ECU programming cable, it allows ECU programming and power adjustment in a workshop setting.
Product Highlights:
- Full-protocol ECU connection line for programming power adjustment
- OBD2 independent PIN4 (body GND) and PIN5 (signal GND) for special module programming
- PIN4 and PIN5 can be switched between short-circuit and non-short-circuit
- Standard OBD2 independent PIN4 and PIN5
- Pure copper female connectors support repeated insertion and removal for long service life
- Battery clips treated with environmentally friendly salt spray, 0.5mm thickness
- DC car battery cable: 0.75mm² 2-core sheathed cable, compatible with DC5.52.5 / DC5.52.1 interfaces
- DC connector includes a resettable 7A fuse
- Dedicated DC laboratory power connector
Product Functions:
- Vehicle voltage display
- Car remote control CR2032 battery test
- Car battery voltage alarm when below 11V
- Toyota steering angle sensor matching
- Lamborghini ID48 key IMMO auxiliary activation
- IMMO AD power adapter for all-keys-lost programming (after 2016 Ford models) with VVDI, OBDSTAR, AUTEL, and other anti-theft matching equipment
- All-keys-lost matching for VAG 4th and 5th generation IMMO, Toyota ECU synchronization, Mitsubishi all-keys-lost, Porsche Cayenne IMMO key learning
- VPW, CANH, CANL, K-Line indicator lights to verify communication between vehicle and diagnostic device
On-Site Maintenance:
- Provides 12V power from the vehicle battery for outdoor use with key programmers such as Xhorse Key Tool Plus Pad, VVDI Prog, CGDI Prog, IM608, etc.
- Supports reading BMW, Mercedes, and other ECU IMMO data on-site
- Provides 12V power supply for key cutters
- Standard OBD2 full-protocol ECU programming line (for MPPS, FGTech, Kess v2, ECU reading/writing, cloning, tuning; sold separately)
OBD Battery Replacement Function:
- Ensures uninterrupted power supply during battery replacement
- Prevents data loss, key failure, or the need for re-matching caused by power interruption


With GT105 II, you can enjoy the functions listed below during the battery replacement:
1.The clock does not change. 2.The speaker is not locked. 3.IMMO is not locked.
4.Glass door is not set. 5.The throttle is not set. 6.The warning light is off. 7.No fault code.
Product Comparison of GT105 & GT105 II
Product Comparison of GT105 & GT105 II
| Model | GODIAG GT105 II | GODIAG GT105 |
| Vehicle voltage display | √ | X |
| Car remote control battery CR2032 battery test | √ | X |
| Car battery voltage alarm prompt(lower than 11V) | √ | X |
| TOYOTA steering angle matching | √ | X |
| Lamborghini ID48 key IMMO auxiliary activation | √ | X |
| DC reverse connection protection, internal short circuit self-recovery protection | √ | √ |
| OBD2 interface 4PIN and 5PIN short circuit function | √ | √ |
| VW AUDI VAG immo4 forced activation | √ | √ |
| TOYOTA ECU IMMO auxiliary activation matching | √ | √ |
| Mitsubishi IMMO auxiliary activation matching | √ | √ |
| Porsche IMMO auxiliary activation matching | √ | √ |
| VPW communication protocol indication | √ | √ |
| CANH communication protocol indication | √ | √ |
| CANL communication protocol indication | √ | √ |
| K-line communication protocol indication | √ | √ |
| Battery power supply, uninterruptible power supply | DIY clip cable Accessory | Special 2.5m clip cable for obtaining power |

Package Includes:
1pc x GT105 II host
1pc x Power cord with battery clip
Reviews coming soon.
