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iKKEGOL 1M DB9 Female to OBD2 Male 16 Pin Passive Diagnostic Cable
iKKEGOL

iKKEGOL 1M DB9 Female to OBD2 Male 16 Pin Passive Diagnostic Cable

Bottom line: The iKKEGOL 1M DB9 Female to OBD2 Male 16 Pin Passive Diagnostic Cable: DB9 female serial to 16-pin OBDII connector for car diagnostic access; main trade-off: won't talk to a PC serial port directly; needs a hardware interface.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ DB9 female serial to 16-pin OBDII connector for car diagnostic access
  • ✓ Works with all OBD II compliant vehicles
  • ✓ 1M / 3.3 ft length reaches from OBDII port to bench interface
  • ✓ Full OBDII-to-DB9 pinout documented (CAN, ISO 9141-2, J1850)

Cons

  • ✗ Won't talk to a PC serial port directly; needs a hardware interface
  • ✗ Only 3.3 ft; may not reach an interface mounted farther away
  • ✗ Not plug-and-play; requires knowing your target pinout
  • ✗ No stated shielding or ferrite for noisy CAN/K-line signals

Manufacturer description

This cable is a passive 9-wire pass-through adapter designed to connect a vehicle's OBD2 diagnostic port to a DB9-based hardware interface. It contains no chips, no protocol conversion, and no signal conditioning. Each OBD2 pin is hard-wired to a corresponding DB9 pin.⚠ Important Compatibility NoticeThis cable uses a product-specific (non-standard) DB9 pinout. DB9 is a physical connector format — there is no universal DB9 pinout for automotive diagnostics. Different manufacturers assign OBD2 signals to DB9 pins differently. You MUST verify that your diagnostic interface hardware's DB9 pin…

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SpecPicks Verdict

SpecPicks scored iKKEGOL 1M DB9 Female to OBD2 Male 16 Pin Passive Diagnostic Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the home & kitchen category. iKKEGOL's home & kitchen lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for home & kitchen of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • PASSIVE DB9 TO OBD2 CONNECTION - Connects an OBD2 16-pin vehicle port to a DB9 female diagnostic interface. This is a passive wired adapter with no electronic protocol converter.
  • VERIFIED PINOUT (OBD2 → DB9)— Pin 2→7 (J1850 Bus+), Pin 4→2 (Chassis Ground), Pin 5→1 (Signal Ground), Pin 6→3 (CAN High), Pin 7→4 (K Line), Pin 10→6 (J1850 Bus-), Pin 14→5 (CAN Low), Pin 15→8 (L Line), Pin 16→9 (Battery +12V). See product description for full pinout table.
  • CUSTOM PINOUT — CHECK COMPATIBILITY — This cable uses a product-specific DB9 pin assignment. It is NOT compatible with PEAK DB9 CAN Bus Analyzers (PCAN) or other devices using a different pinout. Verify your diagnostic interface's DB9 pin mapping matches the table above before purchasing.
  • NOT AN RS232 CONVERTER - This cable does not convert RS232, CAN, or other communication protocols. It is not a USB adapter or a direct PC serial-port interface. Compatible hardware is required.
  • 1M / 3.3FT CABLE - Approximately 1 meter / 3.3 feet long, with a DB9 female connector and OBD2 male 16-pin connector. Designed for compatible diagnostic and vehicle interface applications.

Full Specifications

BrandiKKEGOL
ColorDB9 to OBD Cable
Unit Count1 Count
ConnectivityUSB
Model NumberiKKEGOL-OBD2-DB9-1M
CompatibilityPC
Connector Type16 Pin
Connection TypeWired
Mfr Part NumberIKG-40140
Number of Items1
Number of Ports2
Power Plug TypeNo Plug
Compatible DevicesDiagnostic Interface
Warranty Description60 Days Warranty

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iKKEGOL 1M DB9 Female to OBD2 Male 16 Pin Passive Diagnostic Cable is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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iKKEGOL 1M DB9 Female to OBD2 Male 16 Pin Passive Diagnostic Cable
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