1. Chevrolet Climate Controls & Control Units To Buy
  2. sku: 11811005448953881
  3. DORMAN 88TTBNY27

DORMAN 88TTBNY27 Hvac Control Module

fits model: 1500, 2500, 3500, Silverado. make: Chevy. year: 2000–2001.

88ttbny27 Dorman Hvac Control Module For Chevy Silverado 1500 2500 Hd 3500 2001 2000

( Brand: Dorman ), ( Manufacturer Part Number: 88TTBNY27 ), ( Type: Hvac Control Module ), ( Fit Note: Oe Solutions W/o Rear Defogger W/ Ac ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review DORMAN Hvac Control Module Chevy Hd fits SILVERADO 1500 2500 3500 2000–2001

The **Dorman 88TTBNY27 HVAC Control Module** is a high-quality, direct-fit replacement designed specifically for Chevrolet Silverado 1500, 2500, and 3500 series trucks from the model years **2000 and 2001**, ensuring seamless integration with your vehicle s climate control system. Engineered to meet or exceed OEM standards, this module is built with durable components to provide reliable performance, eliminating frustrating HVAC malfunctions such as erratic temperature fluctuations, non-responsive controls, or complete system failure. The control module serves as the central hub for your truck s air conditioning, heating, and fan functions, allowing you to adjust settings with precision while maintaining optimal comfort inside the cabin. Constructed with robust circuitry and a sturdy housing, this aftermarket part is designed to withstand the demands of daily driving, offering long-lasting durability even in harsh conditions. Whether you re tackling extreme heat or cold, the Dorman module ensures smooth operation, reducing the need for frequent repairs and keeping your truck s climate control system running efficiently. Installation is straightforward, thanks to its direct-fit design, which aligns perfectly with the factory wiring and mounting points, minimizing the risk of compatibility issues. With Dorman s reputation for quality and performance, this HVAC control module is an excellent choice for restoring your Silverado s climate control functionality, providing peace of mind and a comfortable ride for years to come.

### Pros and Cons of buying a Dorman 88TTBNY27 HVAC Control Module for 2000-2001 Chevy Silverado (1500, 2500, 3500)

#### **Pros:**

1. **Direct Fitment** The Dorman 88TTBNY27 is designed specifically for the 2000 and 2001 Chevrolet Silverado (1500, 2500, 3500) models, ensuring compatibility without modifications. This reduces the risk of installation issues.

2. **Reliability and Quality** Dorman is a well-known brand under the Carter brand group, which is trusted for automotive parts. Their HVAC control modules are built to industry standards, offering durability and consistent performance.

3. **Easy Installation** Since it is a direct replacement, the module should plug into the existing wiring harness without requiring extensive rewiring. This makes it a straightforward upgrade for DIYers or mechanics.

4. **Compatibility with Aftermarket Upgrades** If you plan to add aftermarket HVAC controls, climate controls, or other modifications, this module provides a solid foundation for future upgrades.

5. **Warranty Coverage** Dorman parts typically come with a warranty (usually 12 months or more), providing peace of mind in case of defects or early failure.

6. **Cost-Effective Solution** Compared to OEM replacement parts, this aftermarket module is often more affordable while maintaining reliability. It can be a budget-friendly way to restore HVAC functionality.

7. **Accessibility** Dorman parts are widely available through auto parts stores (O Reilly, AutoZone, RockAuto, etc.), making it easy to purchase and replace.

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#### **Cons:**

1. **Potential Quality Variations** While Dorman is generally reliable, some users report minor inconsistencies in build quality compared to OEM parts. This could include slight differences in fit or minor electrical quirks.

2. **Limited Longevity Compared to OEM** OEM parts are often designed with slightly higher durability standards. While the Dorman module should last years, it may not match the lifespan of an original factory unit in extreme conditions.

3. **No Original Factory Programming** If your original HVAC module had custom settings or calibrations (unlikely in most cases), this replacement may not retain those settings. However, this is rarely an issue unless you had specific aftermarket modifications.

4. **Possible Compatibility with Non-Standard Wiring** If your vehicle has had aftermarket wiring changes or modifications, there is a small chance the module may not interface perfectly, requiring additional troubleshooting.

5. **No Physical Differences from OEM** Unlike some aftermarket parts that offer upgrades (e.g., digital displays), this is a direct replacement with no additional features. If you wanted modernized controls, you d need to pair it with an aftermarket system.

6. **Dependence on Proper Installation** If not installed correctly (e.g., loose connections, improper grounding), the module could fail prematurely or cause intermittent issues. Ensuring a clean installation is critical.

7. **Limited Availability of Technical Support** While Dorman has customer service, support for specific wiring or integration issues may not be as robust as dealing directly with a dealership or OEM.

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### **Conclusion:**

The **Dorman 88TTBNY27 HVAC control module** is a **strong, cost-effective choice** for restoring HVAC functionality in your 2000-2001 Chevrolet Silverado. It offers **direct fitment, reliability, and ease of installation**, making it ideal for most drivers who need a straightforward replacement. The minor drawbacks such as potential quality variations or lack of advanced features are outweighed by its **affordability and accessibility**.

If your primary goal is **replacing a faulty or damaged HVAC control module**, this part will serve you well. However, if you re looking for **modernized or upgraded controls**, you may need to pair it with an aftermarket system.

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### **Recommendation:** **Buy the Dorman 88TTBNY27 if:**

- You need a **direct, reliable replacement** for a non-functioning HVAC module.

- You want a **budget-friendly solution** that fits without modifications.

- You re comfortable with a **plug-and-play installation** (or have a mechanic do it for you).

- You prioritize **availability and warranty coverage** over premium OEM parts.

**Consider alternatives if:**

- You suspect **wiring or electrical issues** beyond the module itself diagnose those first to avoid unnecessary replacements.

- You want **aftermarket upgrades** (e.g., digital displays, remote controls), in which case a specialized aftermarket module may be better.

- You re unsure about installation consult a professional to ensure proper fitment and wiring.

**Final Verdict:** For most users, the **Dorman 88TTBNY27 is the best balance of cost, compatibility, and reliability** for your application. It s a **recommended purchase** for restoring HVAC control in your 2000-2001 Silverado.

Details:

HVAC Control Module 88TTBNY27 for Chevy Silverado 1500 2500 HD 3500 2001 2000: Brand: Dorman condition: Remanufactured, Notes OE Solutions w/o Rear Defogger w/ Ac, Detailed Applications Vehicle Sub model Body, 2000 - 2001 Chevrolet 15 HD, 2500BaseExtended Cab Pickup, 2500LSExtended 250, 25 3500Standard 3500BaseCrew 3500BaseExtended 3500LSCrew 3500LSExtended 350.

part #: 88ttbny27 price

  • $328.13

specifications chvyacheatercontrols:

  • for models: 1500, 2500, 3500, Silverado
  • for makes: Chevy
  • for years: 2000-2001
  • brand: Dorman
  • mpn: 88ttbny27
  • type: Hvac Control Module
  • fit note: Oe Solutions W/o Rear Defogger W/ Ac
  • manufacturer warranty: 12 Month Warranty
  • attention: Please Read All Notes To Confirm Fitment
  • cs-sku: 400

offer chvyacheatercontrols:

  • availability: In Stock
  • options: Ship-to-home
  • started: May 7, 2026
  • quantity: 1
  • sold: 0

seller chvyacheatercontrols:

  • city: Chicago, Illinois
  • rating: 97.1%
  • # reviews: 57836

general chvyacheatercontrols:

  • condition: Remanufactured
  • Car Truck Parts Accessories > Air Conditioning Heating > HVAC Controls Control Units

payments chvyacheatercontrols:

  • credit card: Diners-club
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  • wallet: Google-pay

returns chvyacheatercontrols:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

shipping chvyacheatercontrols:

  • transit: 2-6 Days
  • cost: $0.00
  • class: Standard
  • type: Fixed
  • service: Standard
for models: 1500, 2500, 3500, silverado, for makes: chevy, for years: 2000-2001, type: hvac control module, fit note: oe solutions w/o rear defogger w/ ac, manufacturer warranty: 12 month warranty, attention: please read all notes to confirm fitment, cs-sku: 400,
category: auto parts > car truck parts accessories > air conditioning heating > hvac controls control units, sku: 11811005448953881,
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1 offer $328.13 USD
  • Remanufactured. Offer #1 priced at $328.13 + $0.00 shipping estimate = $328.13* total. 2001 Chevrolet Silverado 2500 LS Extended Cab Pickup. 2001 Chevrolet Silverado 1500 HD.FREE SHIPPING

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