
591-02646 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $35.00 | Condition is Used, 2010 CHEVROLET EQUINOX TERRAIN ONSTAR COMMUNICATION CONTROL MODULE 20843294 OEM, FREE SHIPPING | 99.9% |
![]() | $61.58 | Top Pick! Condition is Used, 2010-2010 Chevrolet Equinox Communication Control Module RMFWY, FREE SHIPPING | 99.4% |
![]() | $66.72 | Top Pick! Condition is Used, 2010-2010 Chevrolet Equinox Communication Control Module UTF04, FREE SHIPPING | 99.4% |

The Chevrolet 591-02646 Chassis ECM Communication OnStar UE1 OPT UPF 10 Equinox is a critical component of the OnStar system in certain Chevrolet Equinox models. This OnStar Communication Module, also known as the UE1, is the brain of the OnStar system, responsible for managing and transmitting vital data between the vehicle and the OnStar servers. This specific part number, 591-02646, is designed for use in Equinox vehicles produced between specific model years.
The OnStar UE1 module facilitates various features such as Automatic Crash Response, Stolen Vehicle Assistance, Roadside Assistance, and Remote Door Unlock. It uses Global Positioning System (GPS) technology to determine the vehicle's location and communicates with OnStar's servers to provide real-time information.
The UE1 module is a compact, electronic control unit that is installed in the vehicle's wiring harness or under the dashboard. It communicates with the Chassis ECM (Engine Control Module) to gather essential vehicle data, such as engine speed, vehicle speed, fuel level, and battery voltage. This information is then transmitted to OnStar servers, enabling various OnStar services to function effectively.
Additionally, the UE1 module supports Over-The-Air (OTA) updates, allowing the vehicle's software to be updated remotely. This ensures that the vehicle remains up-to-date with the latest OnStar features and improvements.
The Chevrolet 591-02646 Chassis ECM Communication OnStar UE1 OPT UPF 10 Equinox is an essential component for maintaining the full functionality of the OnStar system in your Chevrolet Equinox. In the event of a malfunction or replacement requirement, this part can be easily identified and ordered using the provided part number.
Chevrolet Equinox 591-02646 Chassis ECM Communication ONSTAR UE1 Opt Upf 10: A Comprehensive Analysis
1. Overview:The Chevrolet Equinox 591-02646 Chassis ECM Communication ONSTAR UE1 Opt Upf 10 is an advanced automotive component designed for the 2013-2017 Equinox models. This part is a critical component of the OnStar system and facilitates communication between the vehicle and the OnStar servers. Here are the pros and cons of investing in this part.
2. Pros:a. Enhanced Safety: With the Chevrolet Equinox 591-02646 Chassis ECM Communication ONSTAR UE1 Opt Upf 10, you gain access to OnStar's advanced safety features such as Automatic Crash Response, Emergency Services, and Stolen Vehicle Assistance.
b. Convenience: This part allows remote vehicle control, enabling features like Remote Start, Remote Door Unlock, and Vehicle Diagnostics.
c. Connectivity: The OnStar system offers a 4G LTE Wi-Fi hotspot, allowing you to stay connected on the go.
d. Assistance: OnStar provides 24/7 assistance, ensuring that you're never alone in case of an emergency or if you need roadside assistance.
3. Cons:a. Cost: The Chevrolet Equinox 591-02646 Chassis ECM Communication ONSTAR UE1 Opt Upf 10 can be expensive, especially for those who do not require the advanced features that OnStar offers.
b. Subscription Fees: OnStar services come with a monthly or annual subscription fee, which can add to the overall cost of ownership.
c. Dependence on Network Coverage: The effectiveness of OnStar services relies on network coverage, which may not be available in all areas or may have limitations.
d. Privacy Concerns: Some users may have concerns about the privacy implications of having a constant connection to the OnStar servers.
4. Conclusion:The Chevrolet Equinox 591-02646 Chassis ECM Communication ONSTAR UE1 Opt Upf 10 offers a range of advanced safety, convenience, and connectivity features. However, the high cost and subscription fees, as well as potential privacy concerns and network coverage limitations, should be carefully considered before making a purchase.
5. Recommendation:If you value the added safety, convenience, and connectivity features that the Chevrolet Equinox 591-02646 Chassis ECM Communication ONSTAR UE1 Opt Upf 10 provides, it is a worthwhile investment. However, if you are budget-conscious or prefer a more basic driving experience, you may want to consider other options. Ultimately, the decision depends on your individual needs and priorities.
Details:
Engine warranty is contingent upon installation of new intake manifold gaskets. Warranty is not transferable. All the above installation should be in accordance with manufacturer guidelines including proper quantity and fill levels of fluids any technical service bulletins updates.
Warranty is contingent upon oil and filter change per manufacturers specifications as to type at installation every 5,000 kilometres thereafter. The words un examined or unchecked on the delivery note/docket are not acceptable. Shearing or breaking of teeth in a standard transmission is not warranted under any circumstances. Clear all computer fault codes.
Transmissions: replace the following with new parts: front pump and output shaft seals, pan gaskets filter. 100% tested parts. Adjust shiftier and kick down cables linkage if applicable. Engine installations follow the procedures: replace following parts if applicable: timing belt, water pump, thermostat, spark plugs, fluids, oil pan gasket, and filter.
Manual transmissions follow the same procedure as above if applicable. Equinox 2010. B failure caused by towing a trailer unless your vehicle is rated the manufacturer for. Warranty covers slippage, shifting failures and/or bearing noise.
Fitment: Equinox 10 communication; onstar, opt ue1, LHS dash, w/voice recognition opt upf, terrain upf. Failure caused by or related to collisions, theft, vandalism any act of god. Flush or replace transmission cooler and lines. Warranty is valid to original purchaser only.
This part may have accessories that are attached and must be removed or switched for proper installation.
specifications perfoelectric:
- for models: Equinox
- for years: 2010
- brand: Chevrolet Truck
- part type: Ecm
- conditions options: Ltz, Awd, 3.0, Aot, Fl
- genuine oem: Yes
- ipn: 591-02646
- make: Chevrolet
- manufacturer warranty: 90 Day
returns perfoelectric:
- time: 60 days
- policy: returns accepted
- paid by: seller
seller perfoelectric:
- city: bloomfield, iowa
- rating: 93.6%
- # reviews: 18239
offer perfoelectric:
- sold #: 23
- best offers: true
- prices: $35.00–$66.72
- item condition: Used
- in stock #: 3
- options: ship-to-home
- availability: in stock
- started: march 8, 2025
general perfoelectric:
- category: Auto Parts > Electrical Components
shipping perfoelectric:
- service: usps priority mail
- class: expedited
- carrier: usps
- type: fixed
- transit: 5-12 days
payments perfoelectric:
- credit card: visa
- other
- wallet: google-pay
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