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Get uninterrupted telematics data

Ensure compliance and transform your fleet with the only CARB-compliant continuously connected solution

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Uninterrupted telematics data to help you achieve your fleet goals

Geotab’s GO Telematics Kit is the first and only compliant aftermarket telematics solution in California that provides a secure source of uninterrupted vehicle telematics data, so that you can achieve your sustainability, safety and productivity goals with confidence of total data continuity.

The CARB standard for aftermarket telematics solutions 

As part of its regulations, CARB prohibits any changes to the CARB-approved OEM emissions controls system, which includes relocating or replacing the manufacturer’s on-board diagnostic (OBD) port. Violation of the regulation may result in a maximum penalty of $42,450 for each sale or installation of any part, device or mechanism that has not received an anti-tampering exemption by CARB. This affects all T-harness solutions on the market that relocate or replace the manufacturer’s OBD port. Geotab is the first and only solution to receive the Executive Order allowing the most secure installation of a continuously connected telematics product using an aftermarket T-harness in California, having collaborated closely with CARB to ensure its telematics solutions meet CARB’s strict compliance standards.  

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California Vehicle Code (CVC) sections 27156 and 38391 prohibit the advertising, sale, offering for sale, or installation of any add-on or modified aftermarket part for on- or off-highway vehicles that modifies the original design or performance of a California vehicle's emission control system unless it is exempted by CARB. 


Pursuant to Health and Safety Code (HSC) section 43016, a maximum civil penalty of $42,450 is applicable to each sale, offer for sale, installation, or advertisement of any part, device, or mechanism intended for use with, or as part of, a required motor vehicle pollution control device or system that alters or modifies the original design or performance of the motor vehicle pollution control device or system, and for which an anti-tampering exemption has not been issued by CARB pursuant to CVC section 27156 and California Code of Regulations, title 13, section 2222. 

For a product to be considered CARB-compliant, it must undergo extensive testing. If the product passes without harming emissions control or measurement, it is assigned a CARB Executive Order (EO) number. Geotab is the only aftermarket telematics solution to have passed the rigorous CARB testing and has been issued an Executive Order. 

Our CARB-compliant GO Telematics Kit includes the required combination of the following three elements:


1. Either a GO9®, GO9+® or GO9 Rugged® device


2. A T-harness from the following list:  

  • HRN-GS09K2
  • HRN-GS09K2-A
  • HRN-GS16K22
  • HRN-GS16K22-A
  • HRN-GR09K1
  • HRN-GR09K1-A
  • HRN-BD16S5

3. A CARB EO label, which needs to be applied under the hood. The installation instructions accompanying the label describe the appropriate installation location of the label.

Geotab is the first and only aftermarket telematics solution vendor at this time to receive an Executive Order. Geotab collaborated closely with CARB to ensure our telematics solutions meet CARB’s strict compliance standards. 

Get uninterrupted access to your fleet telematics data, while remaining CARB-compliant

Find out how Geotab’s aftermarket telematics solution can provide you with continuous data insights, while ensuring compliance with CARB’s gold standard for aftermarket telematics solutions. 

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