GM GENUINE PARTS 23156477 Automatic Transmission Manual Position Switch
fits year: 2012–2019.
( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 23156477 ), ( Part Type: Switch Transmission Manual ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Buick ), ( Year: 2012 2013 2014 2015 2017 2018 2019 ), ( Parts Included: Only Part Reference 9 On The Diagram Is Included ), ( Replaces Part Number: 13297283 )
Review GM GENUINE PARTS Automatic Transmission Manual Shift Auxiliary Position Switch fits 2012–2019
The **GM 23156477 Automatic Transmission Manual Position Switch** is a critical component in General Motors vehicles equipped with automatic transmissions, serving as the mechanical and electrical interface between the driver and the transmission system. This precision-engineered switch is designed to detect and relay the driver s intended gear selection from **Park (P)** to **Reverse (R)**, **Neutral (N)**, **Drive (D)**, and various lower gears directly to the transmission control module (TCM) and other vehicle systems. Constructed with durable materials, including high-grade metal contacts and a robust plastic housing, the switch is built to withstand the rigors of daily driving, ensuring reliable operation even under demanding conditions. Its compact yet sturdy design allows for seamless integration into the transmission shifter mechanism, providing smooth, tactile feedback while maintaining precise electrical signaling to prevent unintended gear engagement or transmission malfunctions.
The **23156477 switch** operates on a fail-safe principle, incorporating redundant wiring and contact points to minimize the risk of transmission lockouts or erratic shifting. When the driver shifts the gear selector, internal springs and levers within the switch activate specific contacts, sending distinct electrical signals to the TCM that correspond to each position. This communication is essential for the transmission s ability to engage the correct gears, shift smoothly, and even activate features like **Lockout (L)** or **2nd Gear (2)** in vehicles with manual mode capabilities. Over time, wear and tear such as corrosion, degraded contacts, or misalignment can compromise the switch s performance, leading to symptoms like delayed shifting, the transmission remaining in "Park" unexpectedly, or the vehicle refusing to start. Replacing a faulty switch with the **GM 23156477** ensures optimal transmission function, enhances drivability, and helps maintain the vehicle s overall reliability.
Ideal for a wide range of **General Motors applications**, including models from the **Chevrolet, GMC, Buick, and Cadillac** lines spanning multiple generations, this switch is a direct-fit replacement for OEM units found in vehicles equipped with **4L60-E, 4L65-E, 4L70-E, 4L80-E, and 6L80 transmissions**. Its universal compatibility makes it a preferred choice for both professional mechanics and DIY enthusiasts seeking a high-quality, long-lasting solution. When installing, it is crucial to follow manufacturer guidelines to ensure proper alignment with the shifter linkage and secure electrical connections, as misalignment or loose wiring can lead to premature failure or incorrect gear engagement. By investing in the **GM 23156477 Automatic Transmission Manual Position Switch**, drivers can restore their vehicle s shifting performance, prevent costly transmission damage, and enjoy a smoother, more responsive driving experience.
### **Pros and Cons of Buying a GM 23156477 Automatic Transmission Manual Position Switch**
#### **Pros:**1. **Compatibility** This part is designed specifically for General Motors vehicles with automatic transmissions, ensuring a proper fit without modification.
2. **Reliability** GM parts are generally built to meet strict quality standards, reducing the risk of premature failure compared to aftermarket alternatives.
3. **Ease of Installation** Since it is an OEM (Original Equipment Manufacturer) component, it should integrate seamlessly with the existing transmission system, minimizing wiring or connector issues.
4. **Warranty Coverage** Purchasing from an authorized dealer or GM-approved supplier may include warranty protection, offering peace of mind against defects.
5. **Performance Consistency** Using an OEM switch ensures that the transmission s shift logic and safety features function as intended, preventing erratic behavior.
6. **Resale Value** If you plan to sell the vehicle later, having OEM parts can make the car more appealing to buyers who prefer genuine components.
#### **Cons:**1. **Higher Cost** OEM parts are typically more expensive than aftermarket alternatives, which may be a significant factor if budget is a concern.
2. **Limited Availability** Depending on the vehicle s age and model, finding this exact part may require ordering from a specialty supplier, potentially increasing lead time.
3. **Potential Overkill** If the switch is only failing due to a minor issue (e.g., a loose connection or worn contacts), replacing the entire unit may be unnecessary, making it a more expensive fix than needed.
4. **No Customization** Unlike some aftermarket switches, this part does not offer additional features like programmable shift patterns or enhanced durability.
5. **Dealer Markup** Purchasing from a dealership may come with additional fees, whereas buying from an online retailer or auto parts store could be more cost-effective.
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### **Conclusion**
The GM 23156477 automatic transmission manual position switch is a reliable, high-quality replacement part that ensures proper functionality and compatibility with GM vehicles. While it comes at a higher price point than aftermarket options, its durability, warranty support, and seamless integration make it a strong choice for those prioritizing performance and longevity. However, if cost is a major concern or the issue is minor, evaluating aftermarket alternatives or diagnosing the exact problem before replacement may be a more economical approach.
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### **Recommendation**
If you are experiencing issues with your transmission s manual position switch and the problem aligns with the symptoms addressed by this part (e.g., failure to shift into "Park," erratic shifting, or no response to the manual lever), purchasing the **GM 23156477 OEM switch** is the safest and most reliable option. Ensure you buy from a trusted supplier (such as an authorized GM parts dealer or a reputable online retailer) to avoid counterfeit or damaged units.
If budget is a constraint, consider:- **Checking for aftermarket equivalents** (ensure they meet GM specifications).
- **Inspecting wiring and connectors** to confirm the issue isn t a simpler fix.
- **Comparing quotes** from multiple suppliers to get the best price.
For most drivers, the **OEM switch is the best choice** due to its reliability and compatibility, but weigh the cost against the severity of the problem before proceeding.
Details:
Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable. Parts must be resalable and in the original packaging.
part #: 23156477 prices
- $23.73-$39.99
specifications steeringwheelsiiz:
- for years: 2012-2019
- brand: Gm Genuine Parts
- mpn: 23156477
- part type: Switch Transmission Manual
- genuine oem: Yes
- manufacturer warranty: 1 Year
- fitment type: Direct Replacement
- make: Buick
- year: 2012 2013 2014 2015 2017 2018 2019
- parts included: Only Part Reference 9 On The Diagram Is Included
- replaces part number: 13297283
general steeringwheelsiiz:
- condition: New
- Car Truck Parts Accessories > Interior Parts Accessories > Steering Wheels Horn Buttons
shipping steeringwheelsiiz:
- type: Fixed
- service: Standard
- cost: $8.95
- transit: 4-10 Days
- class: Standard
returns steeringwheelsiiz:
- paid by: Seller
- time: 30 Days
- policy: Returns Accepted
offer steeringwheelsiiz:
- started: March 31, 2026
- availability: In Stock
- sold: 0
- quantity: 4
- options: Ship-to-home
seller steeringwheelsiiz:
- rating: 100.0%
- # reviews: 5
- city: Totowa, New Jersey
payments steeringwheelsiiz:
- wallet: Google-pay
- other
- credit card: Discover
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