Link ECU CAN Lambda Module

Link ECU CAN Lambda Module

The Link ECU CAN Lambda Module is the no drama way to get trustworthy wideband data into your ECU. Think of it as a Link CAN wideband controller that sends your Link ECU air fuel ratio and lambda info digitally over CAN, instead of hoping an analog voltage stays clean. If you tune your own car, or you pay a tuner and actually want to verify what the engine sees, this ECU monitoring module Link setup becomes one of those parts you stop thinking about because it just works. We run these exact modules on our own cars because guessing at AFR is how engines learn expensive lessons.

Here’s the big difference. This digital wideband with CAN uses a Bosch LSU 4.9 wideband sensor, then pushes the data over the CAN bus wideband module connection. That means you avoid the usual analog headaches, voltage drift, electrical noise, and chasing phantom lean spikes. Link calls it a digital lambda module Link for a reason, it stays digital all the way to the ECU. You also skip free air calibration because the module uses the OEM sensor trim resistor for automatic calibration. In the real world, that means your wideband O2 module Link data stays consistent when the car gets heat soaked on track, when the fans kick on, or when the ignition system tries to spray noise into everything.

For Link CAN lambda integration, you wire it into your existing CAN network and set it up in PCLink. It plays nice as a Link lambda controller for monitoring or closed loop fueling, and it’s a solid race car lambda module option if you want repeatable data lap after lap. Link ECU supports stacking up to eight units on one bus, handy if you’re doing staged banks, multiple engines, or you just like logging everything. It also works as a Link G4+ compatible module, and it’ll talk to other ECUs that support configurable CAN. If your car already has CAN, adding a wideband sensor with CAN usually feels easier than running analog back to the ECU and hoping your grounding is perfect.

Key Features

• Link ECU CAN Lambda, a Link CAN wideband controller that runs a Bosch LSU 4.9 wideband sensor
• CAN bus wideband module comms for clean data to the ECU, not a noisy analog voltage
• No free air calibration needed, automatic calibration via OEM sensor trim resistor
• Works as a wideband O2 module Link for monitoring and closed loop lambda control
• Link CAN lambda integration through PCLink configuration
• Compatible with Link G4+, G4X, plus other aftermarket ECUs with configurable CAN
• Handles wide temperature swings without the usual wideband drama
• Supports up to eight modules on a single CAN bus
• Configurable CAN bit rates including 1Mb/s and 500kb/s

Specifications

• Sensor Type: Bosch LSU 4.9 (aftermarket use only), Bosch LSU 4.9 for Link
• Lambda Measurement Range: 0.67 to 10.0 lambda
• CAN Communication: 1Mb/s, 500kb/s, 250kb/s, 125kb/s
• Input Voltage: Controller 7.5 to 20V, Sensor 10.8 to 16.5V
• Operating Temperature: -20°C to 100°C
• Enclosure Dimensions: 60 x 26 x 15 mm

Box Contents

• Link CAN Lambda Module, SKU: LNK-125-1000
• Bosch LSU 4.9 Wideband O2 Sensor
• Deutsch 4 Way Connector Kit
• O2 Bung and Plug
• Quick Start Guide
• Link Stickers