VSTM VST-939 Obd Ecu Emergency Power Supply Cable Memory 808890293713 Saver 3METER

( Brand: Vstm ), ( Manufacturer Part Number: VST-939 ), ( Part Type: Emergency Ecu Supply Cable ), ( Item Weight: 8.2 Ounces ), ( Package Dimensions: 8.86 X 6.38 X 2.01 Inches ), ( Country Of Origin: China ), ( Is Discontinued By Manufacturer: No ), ( Mirror Adjustment: Power ), ( Special Features: Memory ), ( Lift Type: Manual ), ( UPC: 808890293713 )

Review VSTM Obd Vehicle Ecu Emergency Power Supply Cable Memory Saver 3meter

The VSTM VST-939 OBD ECU Emergency Power Supply Cable Memory Saver, measuring 3 meters in length, is a crucial tool designed for automotive enthusiasts and professionals working on vehicles with on-board diagnostics (OBD) systems. This cable is specifically engineered to save the memory of the Engine Control Unit (ECU) during battery replacement or other power interruptions.

The VST-939 is constructed with high-quality materials, ensuring durability and reliability. The cable features a sturdy design, with a red and black power cable for supplying emergency power to the ECU, and a separate OBD data cable for communication between the scanner tool and the vehicle's ECU. The power cable is fitted with a fuse holder to protect from over-current situations, while the OBD data cable is terminated with a standard OBD-II connector, ensuring compatibility with most modern vehicle models.

The primary function of this emergency power supply cable is to maintain the ECU memory during battery replacement. When the vehicle's battery is disconnected or discharged, the ECU may lose its configuration data, requiring a time-consuming reprogramming process. By connecting the VST-939 to the vehicle's battery and ECU, the memory is preserved, saving valuable time and effort.

Another useful feature of this cable is its compatibility with various diagnostic tools. It can be used with various OBD-II scanners, allowing users to read and clear diagnostic trouble codes, monitor live data, and perform other diagnostic functions. The 3-meter length provides ample reach to access the battery and OBD-II port, even in tight engine compartments.

The VSTM VST-939 OBD ECU Emergency Power Supply Cable Memory Saver is an essential accessory for anyone working on vehicles with OBD systems. Its ability to save ECU memory during battery replacement, maintain compatibility with various diagnostic tools, and provide a reliable connection with high-quality materials makes it an indispensable tool in any automotive workshop or garage.

Pros and Cons of Buying a VSTM VST-939 OBD ECU Emergency Power Supply Cable Memory Saver (3meter)

The VSTM VST-939 OBD ECU Emergency Power Supply Cable Memory Saver is a useful tool for vehicle owners or professionals dealing with on-board diagnostics (OBD). This device provides emergency power to the car's ECU (Engine Control Unit) to prevent data loss when performing battery replacement or other electrical system repairs. Here are some potential advantages and disadvantages of investing in this product:

1. Data preservation: The primary function of the VST-939 is to save the vehicle's ECU memory during battery replacement or other electrical system repairs, ensuring that no diagnostic data is lost.

2. Versatility: This device is compatible with a wide range of vehicles, including gasoline, diesel, and hybrid models, making it a versatile investment for those working on various types of vehicles.

3. Easy to use: The VST-939 is designed to be user-friendly, with a simple plug-and-play design that makes it easy for anyone to use, regardless of their technical expertise.

4. Cost-effective: Compared to the potential cost of losing diagnostic data or having to reprogram a vehicle's ECU, the VST-939 is a cost-effective solution for ensuring that valuable information is preserved during repairs.

5. Durable construction: The cable is 3 meters long, providing ample length for reaching the ECU in various vehicle makes and models, and it is constructed with high-quality materials for long-lasting use.

1. Additional cost: Although the VST-939 offers significant benefits, it is an additional expense that may not be necessary for every vehicle repair or maintenance situation.

2. Limited compatibility: While the VST-939 is compatible with a wide range of vehicles, it may not be compatible with every make and model, so it is essential to check the compatibility before making a purchase.

3. Manual operation: The VST-939 does not have an automatic shut-off feature, so it must be manually disconnected once the repair is complete. This can be a minor inconvenience for some users.

The VSTM VST-939 OBD ECU Emergency Power Supply Cable Memory Saver (3meter) is a valuable tool for vehicle owners and professionals dealing with on-board diagnostics. Its ability to preserve valuable diagnostic data during battery replacement or other electrical system repairs makes it an essential investment for those who work on various types of vehicles. While there are some limitations and potential drawbacks to consider, the pros generally outweigh the cons, making the VST-939 a worthwhile addition to any automotive toolkit.

If you frequently work on vehicles and need to preserve diagnostic data during battery replacement or electrical system repairs, the VSTM VST-939 OBD ECU Emergency Power Supply Cable Memory Saver (3meter) is a worthwhile investment. Its user-friendly design, versatility, and cost-effectiveness make it a valuable tool for anyone working in the automotive industry or for enthusiasts who want to ensure their vehicle's diagnostic data is preserved during repairs. However, it is essential to check compatibility with the specific make and model of the vehicle before making a purchase.

Details:

You unhook the old battery and install new one. Late model vehicles, however, rely on computers that operate everything from the stereo to transmission. Compared by most of OBD metal pins in market with zinc plating, ours are gold plating. Better reliable on contact and electric transmission.

Replacing a car battery on older vehicles used to be simple. VSTM OBD II Vehicle ECU Emergency Power Supply Cable Memory Saver 3Meter with Alligator Clip-On 12V Car Battery Cigarette Lighter Extension Socket: Manufacturer. Item model number: VST-939. Is Discontinued By Manufacturer: No.

Mirror Adjustment: Power. So that your car ECU and other electric devices are fully under protection during a wrong power connection. Package Dimensions: 8.86 x 6.38 2.01 inches. As typical OBD Auto Memory saver not have Anti-protection on Incorrect Polarity AIP, so that in case a wrong polarity power input, it will probably damage your auto ECU Electronic Control Unit.

And now you can replace the battery. Lift Type: manual. If power is lost to the computer, settings are and have reset default. Country of Origin: China.

Special Features: Memory. Manufacturer Part Number: VST-939.

part #: vst939 prices

• $24.93-$31.92

specifications diagitools:

• brand: Vstm
• mpn: Vst-939
• part type: Emergency Ecu Supply Cable
• item weight: 8.2 Ounces
• package dimensions: 8.86 X 6.38 X 2.01 Inches
• country of origin: China
• is discontinued by manufacturer: No
• mirror adjustment: Power
• special features: Memory
• lift type: Manual
• upc: 808890293713

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• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

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• # reviews: 35
• city: New York, New York
• rating: 100.0%

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general diagitools:

• condition: New
• Automotive Tools Supplies > Diagnostic Service Tools > Other Diagnostic Service Tools

offer diagitools:

• quantity: 1
• started: February 23, 2025
• options: Ship-to-home
• sold: 0
• availability: In Stock

shipping diagitools:

• cost: $0.00
• class: Standard
• service: Standard
• transit: 5-11 Days
• type: Fixed