What vehicles can this adapter support?

It is listed for use with multiple vehicle types, including Peterbilt, Kenworth, and Volvo with Cummins engines.

What CAN speeds does it support?

It supports 125K, 250K, 500K, and 1MB CAN speeds.

Why would a technician need this adapter?

It helps when a diagnostic workflow requires communication to be routed between CAN channels.

Does this adapter replace a diagnostic interface?

No. It supports the connection path. A compatible diagnostic interface, software, and vehicle connection are still required.

Categories: Commercial Vehicle

CH3-CH1 CROSSOVER ADAPTER – 9-PIN

SKU: NQ406004

$156.00

Nexiq CH3-CH1 Crossover Adapter, 9-Pin moves J1939/CAN channel 3 diagnostic communication to J1939/CAN channel 1 for supported vehicle networks.

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Nexiq CH3-CH1 Crossover Adapter, 9-Pin is a CAN crossover adapter used when diagnostic communication needs to be moved from CAN channel 3 to CAN channel 1. It supports J1939/CAN networks and is useful for technicians working across different vehicle communication channels. By routing the communication path correctly, the adapter helps improve diagnostic access, reduce connection confusion, and save time during troubleshooting.

What's Included

Nexiq CH3-CH1 Crossover Adapter, 9-Pin.

Key Features

Nexiq CH3-CH1 Crossover Adapter, 9-Pin helps technicians work across supported CAN communication channels.

Moves J1939/CAN channel 3 communication to J1939/CAN channel 1
Helps improve diagnostic access across different CAN channels
Supports J1939/CAN diagnostic workflows
Works with supported vehicle networks, including Peterbilt, Kenworth, and Volvo with Cummins engines
Supports multiple CAN speeds
Simple connection process for efficient diagnostics
Helps maintain reliable communication between channels
Useful when a diagnostic workflow requires channel crossover support

Technical Specifications

Adapter type: 9-pin CAN crossover adapter
Communication support: J1939/CAN
Channel routing: CAN 3 to CAN 1
Supported CAN speeds: 125K, 250K, 500K, and 1MB

Warranty

Manufacturer warranty applies

Downloadables

Coverage & Use Cases

Nexiq CH3-CH1 Crossover Adapter, 9-Pin is built for commercial vehicle diagnostic workflows where CAN channel routing matters.

Who Uses Nexiq CH3-CH1 Crossover Adapter, 9-Pin?

Diesel technicians diagnosing J1939/CAN communication issues.
Commercial truck repair shops working with supported CAN networks.
Fleet maintenance teams servicing vehicles that require CAN channel crossover support.
Technicians working on supported Peterbilt, Kenworth, and Volvo vehicles with Cummins engines.
Shops that need a dedicated adapter for channel-specific diagnostic access.

How Nexiq CH3-CH1 Crossover Adapter, 9-Pin Works

Connect the adapter between the diagnostic tool and vehicle connection path.
Route communication from CAN channel 3 to CAN channel 1.
Use the diagnostic software to complete the required troubleshooting workflow.

Hardware Specifications

FAQS

What does Nexiq CH3-CH1 Crossover Adapter, 9-Pin do?
Nexiq CH3-CH1 Crossover Adapter, 9-Pin moves J1939/CAN channel 3 diagnostic communication to J1939/CAN channel 1.
What vehicles can this adapter support?
It is listed for use with multiple vehicle types, including Peterbilt, Kenworth, and Volvo with Cummins engines.
What CAN speeds does it support?
It supports 125K, 250K, 500K, and 1MB CAN speeds.
Why would a technician need this adapter?
It helps when a diagnostic workflow requires communication to be routed between CAN channels.
Does this adapter replace a diagnostic interface?
No. It supports the connection path. A compatible diagnostic interface, software, and vehicle connection are still required.