DORMAN 25994CTDR Accelerator Pedal Sensor

( Brand: Dorman ), ( Manufacturer Part Number: 25994CTDR ), ( Part Type: Pedal Sensor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Accelerator Pedal Sensor ), ( Years: 2003 2004 2005 ), ( Application: Chevrolet Suburban 1500 Accelerator Pedal Sensor ), ( Cs-sku: 400 )

Review DORMAN Chevrolet Accelerator Pedal Sensor fits SUBURBAN 1500 2003–2005

The **Dorman 25994CTDR Accelerator Pedal Position (APP) Sensor** is a precision-engineered replacement part designed specifically for the **2003 2005 Chevrolet Suburban 1500**, ensuring seamless integration with the vehicle s fuel-injected engine management system. This high-quality sensor plays a critical role in accurately detecting the driver s input from the throttle pedal, transmitting real-time data to the engine control module (ECM) to optimize throttle response, fuel delivery, and overall engine performance. Crafted from durable materials, the Dorman APP sensor features a robust housing and a reliable internal potentiometer, which is calibrated to match the factory specifications of your Suburban, preventing erratic throttle behavior, stalling, or check engine light (CEL) codes such as **P0120, P0121, or P0122**. Whether your vehicle exhibits symptoms like a delayed or erratic throttle response, a rough idle, or difficulty accelerating, this sensor provides a direct and cost-effective solution. Its direct-fit design eliminates the need for modifications, making installation straightforward for both professional mechanics and DIY enthusiasts. With Dorman s reputation for reliability and compatibility, this sensor is an ideal choice for restoring your Suburban s throttle control to factory precision, ensuring smooth operation and peace of mind on every drive.

The **Dorman 25994CTDR Accelerator Pedal Position Sensor (APPS)** is a common aftermarket replacement for the accelerator pedal sensor found in **2003 2005 Chevrolet Suburban 1500** trucks. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Dorman 25994CTDR APPS**

1. **Direct OEM Replacement** Dorman is a well-known brand that produces parts designed to match or exceed OEM specifications. This sensor is a direct fit for your Suburban, ensuring compatibility without modifications.

2. **Reliability and Durability** Dorman parts are built to last, often using high-quality materials and manufacturing processes. Many users report long-term performance without frequent failures, especially when installed correctly.

3. **Widespread Availability** This part is easy to find at auto parts stores (AutoZone, O Reilly, RockAuto, etc.), online retailers (Amazon, RockAuto, eBay), and through dealerships. Its popularity means it s rarely out of stock.

4. **Cost-Effective Solution** Compared to OEM sensors, Dorman offers a more affordable alternative without sacrificing quality. Pricing typically ranges between **$30 $60**, depending on the retailer.

5. **Compatibility with Aftermarket Pedals** If you ve upgraded to an aftermarket accelerator pedal (e.g., for better feel or performance), this Dorman sensor is often compatible, though you may need to verify wiring or mounting differences.

6. **Good Customer Support** Dorman has a reputation for standing behind its products. If the sensor fails prematurely due to a defect, they may offer replacements or refunds under their warranty.

7. **Easy Installation** The sensor is straightforward to replace, requiring only basic tools (screwdriver, wire connectors, and possibly a scan tool to reset the PCM). Many users complete the job in under an hour.

8. **Positive User Feedback** Online reviews (from forums like **Chevy Truck Forum**, **Reddit**, or **YouTube**) frequently highlight this sensor as a reliable replacement, with fewer complaints about failure compared to cheaper generic alternatives.

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### **Cons of the Dorman 25994CTDR APPS**

1. **Potential for Generic Counterfeits** While Dorman itself is reputable, some sellers (especially on eBay or Amazon) may list counterfeit or low-quality knockoffs under the Dorman brand name. Always verify the seller s reputation and check for **authentic Dorman packaging** or **part numbers** (e.g., "Dorman 25994CTDR" should match the listing).

2. **Wiring or Connector Issues** In some cases, the wiring harness or connectors on the sensor may not align perfectly with the truck s factory setup, leading to intermittent electrical problems. This is more common if the sensor was previously damaged or if the harness is frayed.

3. **Mismatch with Aftermarket Pedals** While Dorman sensors are often compatible, some aftermarket pedals (especially performance-oriented ones) may require a different sensor type (e.g., a **throttle position sensor (TPS)** for electronic throttle control systems). Always confirm compatibility before purchasing.

4. **Limited Longevity in Harsh Conditions** Like any electronic component, this sensor can degrade over time if exposed to extreme heat, moisture, or physical stress (e.g., from aggressive driving or poor installation). Regular maintenance (e.g., cleaning contacts) can help prolong its life.

5. **Scan Tool Required for Reset** After replacement, you ll need a **scan tool** (or the dealer s diagnostic system) to reset the **Powertrain Control Module (PCM)**. Without this, the truck may enter **limp mode** or fail to start until the PCM relearns the sensor s calibration.

6. **Price Variability** While generally affordable, prices can fluctuate based on demand, retailer markup, or shipping costs. Always compare prices across multiple sources to ensure you re getting a fair deal.

7. **Potential for Aftermarket Sensor Confusion** Some sensors labeled as "Dorman" may actually be **generic or remanufactured** parts with mixed reviews. Stick to **verified sellers** (e.g., RockAuto, local auto parts stores) to avoid this issue.

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### **Conclusion**

The **Dorman 25994CTDR Accelerator Pedal Position Sensor** is a **strong, reliable choice** for replacing a faulty sensor in your **2003 2005 Chevrolet Suburban 1500**. Its **OEM-like quality, ease of installation, and widespread availability** make it a practical option for most DIY mechanics. However, **buyer caution is advised** ensure you re purchasing an **authentic Dorman part** from a reputable source to avoid counterfeit issues.

If you re comfortable with basic wiring and diagnostics, this sensor will likely serve you well for the life of the truck. For added peace of mind, consider pairing it with a **quality scan tool** (e.g., **Launch X-431, Autel MaxiCOM, or even a basic OBD-II reader**) to properly reset the PCM after installation.

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### **Recommendation**

- You need a **direct OEM replacement** with good reliability.

- You re purchasing from a **trusted retailer** (e.g., RockAuto, AutoZone, or a local auto parts store).

- You re prepared to **reset the PCM** with a scan tool after installation.

- You re not using an **aftermarket pedal** that requires a different sensor type.

- You suspect **counterfeit parts** are being sold under the Dorman name (stick to verified sellers).

- You re working with an **aftermarket pedal** that may need a **throttle position sensor (TPS)** instead.

- You want **extended warranty coverage** (some brands like **Motorcraft or OEM** may offer longer warranties, though they re more expensive).

**Final Verdict:** The Dorman 25994CTDR is a **solid, cost-effective choice** for most owners, provided you take precautions to ensure authenticity and proper installation. For the average driver, it s the best balance of **price, quality, and availability**.

Details:

Plug play installation - no special tools or programming required to install this sensor. Fitment Notes: Vehicle: 2004 - 2005 Chevrolet Suburban 1500. Quality tested - this accelerator pedal sensor has undergone extensive testing to ensure proper function and a long service life. 12 Month Warranty Fitment Notes: With Adjustable Pedals, Vehicle: 2003 Chevrolet Suburban 1500.

Extensively tested to ensure proper function and a long service life. Trustworthy construction - engineered in North America and made from high-quality materials for long life. Parts Geek - For 2003 - 2005 Chevrolet Suburban 1500 Accelerator Pedal Sensor Dorman 25994CTDR: Review Fitment Notes to Ensure Proper Fit condition: New Brand: Notes: Mounting Hardware Included: No Bracket Color/Finish: Gray Installation Package Contents: 1 Features: Ideal replacement this accelerator pedal position sensor matches the fit and function of original.

part #: 25994ctdr price

• $53.05

specifications pedalspadsaz:

• for models: 1500, Suburban
• for makes: Chevrolet
• for years: 2003-2005
• brand: Dorman
• mpn: 25994ctdr
• part type: Pedal Sensor
• manufacturer warranty: 12 Month Warranty
• notes: Accelerator Pedal Sensor
• years: 2003 2004 2005
• application: Chevrolet Suburban 1500 Accelerator Pedal Sensor
• cs-sku: 400

offer pedalspadsaz:

• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: April 15, 2026

shipping pedalspadsaz:

• service: FedEx Ground / FedEx Home Delivery
• transit: 3-7 Days
• carrier: FedEx
• class: Standard
• type: Fixed
• cost: $0.00

seller pedalspadsaz:

• # reviews: 328354
• city: Miami, Florida
• rating: 98.8%

payments pedalspadsaz:

• credit card: Diners-club
• wallet: Apple-pay
• other

general pedalspadsaz:

• condition: New
• Car Truck Parts Accessories > Interior Parts Accessories > Pedal Assemblies, Pads Parts

returns pedalspadsaz:

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

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