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Knorr Wabco Trailer 7 PIN J1939 to OBD-II Adapter Cable

This guide is applicable to the following device / devices:
Mini
Mini
TMU CM4
TMU CM4
CAN-FD Pro
CAN-FD Pro
CAN-FD Pro +IP67 casing
CAN-FD Pro +IP67 casing

Introduction

Do you need to connect your AutoPi device to a Knorr Wabco trailer for J1939 diagnostics and data logging?

The Knorr Wabco Trailer 7 PIN J1939 to 16 PIN OBD-II Adapter Cable fits many Knorr Wabco trailer systems — including commercial trailers and heavy-duty vehicles — and lets you easily connect your AutoPi device to start reading J1939 data. Simply locate the 7-pin diagnostic port in your trailer, typically found near the connector interface, and plug in the cable.

Knorr Wabco Trailer 7 PIN J1939 to 16 PIN OBD-II Adapter Cable

The cable features a plug-and-play design for quick and secure connections, and is constructed with premium materials built for heavy-duty environments.

info

This adapter cable can be purchased through the AutoPi shop: Knorr Wabco Trailer 7 PIN J1939 to 16 PIN OBD-II Adapter Cable.

Specifications

PropertyDetails
CompatibilityKnorr Wabco trailers with 7 PIN diagnostic port
Connector Types7 PIN (male) to 16 PIN OBD-II (female)
Protocol SupportJ1939 for vehicle diagnostics
DurabilityPremium materials for heavy-duty use
Ease of UsePlug-and-play design

Pinout

AutoPi FunctionKnorr Wabco 7 PINOBD-II 16 PIN
PowerPin 2Pin 16
GNDPin 1Pin 5

Knorr Wabco trailer to OBD-II Adapter Cable

note

The pinout above is based on the standard J1939 to OBD-II mapping. Refer to your Knorr Wabco trailer documentation for any model-specific variations.