
12451209 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $12.50 | Condition is Used, 02 03 04 05 06 CHEVROLET TRAILBLAZER ONSTAR COMMUNICATION MODULE 15098277 OEM, FREE SHIPPING | 99.9% |
![]() | $16.80 | Top Pick! Condition is Used, 00 01 02 03 04 CHEVROLET IMPALA ONSTAR COMMUNICATION MODULE # 12451209, FREE SHIPPING | 99.5% |
![]() | $22.49 | Condition is Used, 02 / 04 05 06 CHEVROLET TRAILBLAZER ONSTAR COMMUNICATION MODULE 15812977 OEM, FREE SHIPPING | 99.9% |
![]() | $23.21 | Condition is Used, 02 CHEVROLET MONTE CARLO COMMUNICATION CONTROL MODULE 12451209, FREE SHIPPING | 99.9% |
![]() | $24.99 | Condition is Used, 02 03 04 05 06 CHEVROLET TRAILBLAZER ONSTAR COMMUNICATION MODULE 89047017 OEM, FREE SHIPPING | 99.9% |
![]() | $25.00 | Condition is Used, 02 - 06 CHEVROLET TRAILBLAZER ONSTAR COMMUNICATION MODULE MOTOROLA 12451209!!!!!, FREE SHIPPING | 99.7% |
![]() | $19.99 | Condition is Used, On Star Control Module 02 03 04 05 Chevy Trailblazer PN 12451209, shipping cost = $9.60 | 99.4% |
![]() | $29.00 | Condition is Used, 2002-2006 Chevrolet Trailblazer Onstar Communication Module Unit 15098277 OEM, FREE SHIPPING | 100.0% |
![]() | $19.99 | Condition is Used, 2002-2006 Chevrolet TrailBlazer OnStar Communication 10394074 Module 13 12B4, shipping cost = $12.00 | ![]() |
![]() | $33.00 | Top Pick! Condition is Used, 2002-2007 GM Chevy GMC OLDS CHASSIS ECM COMMUNICATION ONSTAR 25772964 25772965, FREE SHIPPING | 99.7% |
![]() | $34.99 | Condition is Used, 2002-2006 CHEVROLET TRAILBLAZER ONSTAR COMMUNICATION MODULE 12451209 OEM, FREE SHIPPING | 99.9% |
![]() | $44.99 | Condition is Used, 2002-2006 CHEVROLET TRAILBLAZER ONSTAR COMMUNICATION MODULE 15812977 OEM, FREE SHIPPING | 99.6% |
![]() | $50.00 | Condition is Used, 02-06 Chevrolet Trailblazer Communication Onstar Control Module OEM 10394074, FREE SHIPPING | 99.5% |
![]() | $30.00 | Condition is Used, 2000-2007 Chevrolet Monte Carlo Impala SS COMMUNICATION MODULE MOTOROLA 12451209, shipping cost = $27.00 | 99.6% |
![]() | $44.99 | Condition is Used, 02-07 Chevy GMC OLDS Cadillac CHASSIS ECM COMMUNICATION ONSTAR 25772964 25772965, shipping cost = $14.10 | 100.0% |
![]() | $64.49 | Condition is Used, 2002-06 Chevrolet Trailblazer OnStar Motorola Communication Module P/N 12451209, FREE SHIPPING | 99.5% |
![]() | $73.39 | Condition is Used, 2002-2006 Chevrolet Trailblazer OnStar Communication Module Unit P/N 12451209, FREE SHIPPING | 99.5% |
![]() | $77.66 | Condition is Used, 2002 - 2006 Chevy Trailblazer Motorola OnStar Communication Module P/N 12451209, FREE SHIPPING | 99.5% |
![]() | $83.41 | Condition is Used, 2002 - 2006 Chevy Trailblazer OnStar Communication Module Brain Box P/N 12451209, FREE SHIPPING | 99.5% |
![]() | $84.47 | Top Pick! Condition is Used, 2002-2006 Chevrolet TrailBlazer Communication Module OEM, FREE SHIPPING | 98.7% |

The Chevrolet 12451209 Communication Module for 2000-2007 Monte Carlo and Impala vehicles is an essential component for integrating your car with select Motorola cell phones. This module allows for hands-free phone operation and turn-by-turn navigation, enhancing both safety and convenience for the driver.
The communication module is compact, measuring approximately 3.5 inches long, 2 inches wide, and 1 inch high. It is designed to blend seamlessly with the vehicle's interior, fitting neatly into the dashboard or console area. The module is engineered with a sleek, modern design, featuring a matte black finish that complements the aesthetic of most Monte Carlo and Impala models.
The module boasts a user-friendly interface, with intuitive controls and clear, easy-to-read displays. The integration with Motorola phones is straightforward, requiring only a few simple steps to connect the phone and module via Bluetooth or a wired connection. Once connected, users can enjoy hands-free phone operation, allowing them to make and receive calls without taking their hands off the wheel.
In addition to phone integration, the communication module also offers turn-by-turn navigation capabilities. This feature is particularly useful for drivers who rely on GPS for directions or who frequently travel to unfamiliar destinations. The module connects to a compatible navigation app on the user's phone, providing audible, step-by-step instructions to reach the desired location.
The Chevrolet 12451209 Communication Module is a must-have for any Monte Carlo or Impala owner looking to enhance their driving experience with seamless phone integration and turn-by-turn navigation capabilities. Its sleek design, user-friendly interface, and compatibility with select Motorola phones make it a reliable and convenient addition to your vehicle.
Pros and Cons of Buying a Chevrolet Monte Carlo/Impala Communication Module (Motorola Part Number 12451209)
I. IntroductionThe Chevrolet Monte Carlo and Impala are popular full-size cars manufactured by General Motors between 2000 and 2007. This communication module from Motorola (part number 12451209) is designed to enhance the functionality of these vehicles, particularly in terms of on-board diagnostics and connectivity. In this article, we will discuss the key advantages and disadvantages of purchasing this communication module for your Chevrolet Monte Carlo or Impala.
II. Pros1. Enhanced Diagnostics: This module allows you to access more detailed diagnostic information than the standard OBD-I scanners. It can help identify and troubleshoot various issues related to the vehicle's engine, transmission, ABS, and other systems.
2. Customization: With the communication module, you can customize various settings within your vehicle, such as the climate control system and the vehicle's tire pressure monitoring system (TPMS).
3. Connectivity: The module offers Bluetooth connectivity, allowing you to make hands-free phone calls and stream music through your car's audio system.
4. Cost-Effective: Compared to dealership services or other advanced diagnostic tools, this communication module is a more affordable option for vehicle owners.
III. Cons1. Complex Installation: Installing the communication module can be a complex process and may require advanced technical skills. Some users have reported encountering issues during the installation process, which could potentially result in additional costs.
2. Compatibility: While the module is designed to work with various Chevrolet models, there have been reports of compatibility issues with certain vehicles or software versions. It's essential to ensure that the module is compatible with your specific vehicle before making a purchase.
3. Software Updates: The communication module may require occasional software updates to maintain its functionality. These updates might not be readily available, and users may need to rely on third-party sources for the latest software versions.
IV. ConclusionThe Chevrolet Monte Carlo/Impala communication module (Motorola part number 12451209) offers several advantages, such as enhanced diagnostics, customization, and connectivity, making it an attractive option for vehicle owners. However, it also comes with potential drawbacks, including complex installation, compatibility issues, and the need for software updates.
To determine if this communication module is the right choice for you, consider weighing the pros and cons based on your specific needs, technical abilities, and budget. If you're comfortable with the installation process and the potential challenges, the communication module could provide valuable functionality and cost savings for your Chevrolet Monte Carlo or Impala.
V. RecommendationIf you decide to purchase the Chevrolet Monte Carlo/Impala communication module (Motorola part number 12451209), make sure to thoroughly research its compatibility with your vehicle and follow all installation instructions carefully. Additionally, keep in mind that occasional software updates may be necessary to maintain the module's functionality.
Details:
specifications perfoelectric:
- for models: Ss, Monte, Carlo, Impala
- for years: 2000–2007
- brand: Chevrolet
- mpn: 12451209
- part type: Module
- fitment type: Direct Replacement
- placement on vehicle: Front
- performance part: Yes
shipping perfoelectric:
- carrier: usps
- class: standard
- service: usps ground advantage
- type: fixed
- transit: 5-9 days
offer perfoelectric:
- availability: in stock
- options: ship-to-home
- prices: $12.50–$84.47
- item condition: Used
- started: november 14, 2025
- in stock #: 5
- sold #: 13
payments perfoelectric:
- wallet: google-pay
- cash
- other
- credit card: discover
general perfoelectric:
- category: Auto Parts > Electrical Components
returns perfoelectric:
- policy: no returns
seller perfoelectric:
- # reviews: 2361
- rating: 100.0%
- city: chicago, illinois
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