Mingching Electronics Technology Co., Ltd. is one of the most professional manufacturers and suppliers of 38 pin to 16 pin obd2 in China, also supports customized service. Welcome to wholesale high quality 38 pin to 16 pin obd2 for sale here from our factory. Also, free sample is available.
Product Features
- Interface Specs: One end: Original 38‑pin round female connector with locking screws; Another end: Standard 16‑pin OBD‑II male plug.
- Cable Length: 30 CM (11.8 inches), enough space for operation, compact will not tangle.
- Outer Jacket Material: High‑quality flexible PVC, working temperature: ‑20℃ ~ +70℃, anti‑aging, anti‑bending, resistant to vehicle engine compartment temperature variation.
- Contact Terminal: Copper alloy pins, oxidation‑resistant, stable signal transmission, reduce diagnostic failure rate.
- Lock‑on Design: 2 metal locking screws on 38‑pin connector, firmly lock with vehicle socket, avoid loose connection during diagnosis.
- Plug & Play: No software or driver installation required, directly connect OBD scanner to vehicle.
- Function Support: Read DTC fault codes, clear trouble codes, view live data stream for engine system.

Product Specifications
| Item | Parameter |
|---|---|
| Product Name | 38 Pin to 16 Pin OBD2 Diagnostic Adapter Cable |
| Connector A | 38‑Pin Round Female Connector (for Benz old car port) |
| Connector B | Standard 16‑Pin OBD2 Male Plug |
| Total Cable Length | 300mm / 30cm /11.8 inch |
| Cable Jacket | Flexible PVC |
| Working Temperature | ‑20℃ ~ +70℃ |
| Terminal Material | Copper Alloy |
| Locking Structure | Double metal locking screws |
| Weight | 125g per piece |
| Application | Car OBD fault diagnosis, code reading & clearing |
| Compatible Tool | All universal 16‑pin OBD2 scanners / code readers |

Compatibility List
Fit old Mercedes‑Benz vehicles equipped with factory 38‑pin round diagnostic socket, production year 1996‑2003:
- Mercedes‑Benz C‑Class / E‑Class / S‑Class
- Mercedes‑Benz Sprinter Van / Commercial Vans
Note: Not fit Benz vehicles with factory 16‑pin OBD2 port after year 2004. Only for gasoline & diesel vehicles supported OBD protocol.
Important Notes
This adapter only transfers diagnostic signal, cannot add OBD2 function to non‑OBD vehicles.
Cable length is 30cm, please confirm your operation space before purchase.
Please tighten the two locking screws after plugging 38‑pin end into vehicle socket to prevent signal interruption.
Not for vehicles after 2004, those cars are built‑in 16‑pin OBD2 port.
Our Advantage
- Strict continuity test: 100% cable continuity testing before shipment
- Customization available: Support custom cable length 20‑100cm, custom logo printing for bulk order
- MOQ: Small MOQ acceptable for sample order
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