
ETC31-171N Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $16.99 | Condition is Used, TRANSMISSION CONTROL MODULE NISSAN ALTIMA 2005 2006 ETC31-171N A1 TCM TCU OEM, FREE SHIPPING | 99.2% |
![]() | $16.99 | Condition is Used, TRANSMISSION CONTROL MODULE NISSAN ALTIMA 2005 2006 ETC31-171N A1 TCM TCU OEM, FREE SHIPPING | 99.2% |
![]() | $17.00 | Condition is Used, TRANSMISSION CONTROL MODULE NISSAN ALTIMA 2005 2006 ETC31-171N A1 TCM TCU OEM, FREE SHIPPING | 100.0% |
![]() | $20.00 | Condition is Used, 2005 Nissan Altima Transmission Control Unit P/N: ETC31-171N, FREE SHIPPING | 100.0% |
![]() | $22.80 | Condition is Used, 2.5L Transmission ECM ETC31-171N Fits 2005 Nissan Altima OEM, FREE SHIPPING | ![]() |
![]() | $15.91 | Condition is Used, 05-06 NISSAN ALTIMA/ 2.5L / THRU 8/05/ TRANSMISSION CONTROL /COMPUTER T.C.M, shipping cost = $8.00 | 99.9% |
![]() | $23.00 | Condition is Used, 2006 Nissan Altima TCM Transmission Computer ETC31-171N, FREE SHIPPING | 96.1% |
![]() | $23.99 | Condition is Used, 05 06 NISSAN ALTIMA TRANSMISSION COMPUTER ETC31171NA1, FREE SHIPPING | 99.9% |
![]() | $15.00 | Condition is Used, 05-06 Nissan Altima TCM TCU Transmission Computer Control Module ETC31-171N, shipping cost = $9.42 | 98.8% |
![]() | $25.00 | Condition is Used, 05 06 Nissan Altima ETC31-171N A1 Transmission TCU TCM Shift Module FAST SHIPPER, FREE SHIPPING | 100.0% |
![]() | $20.00 | Condition is Used, NISSAN ALTIMA C Transmission Control Module Unit ETC31-171N A1 4Y15, shipping cost = $6.50 | ![]() |
![]() | $20.00 | Condition is Used, ETC31171NA1 171 Nissan Altima 05-06 Transmission Control Unit TCU Module, shipping cost = $6.24 | 99.6% |
![]() | $20.00 | Condition is Used, ETC31171NA1 171 Nissan Altima 05-06 Transmission Control Unit TCU Module, shipping cost = $6.95 | 99.6% |
![]() | $20.00 | Condition is Used, ETC31171NA1 171 Nissan Altima 05-06 Transmission Control Unit TCU Module, shipping cost = $6.24 | 99.6% |
![]() | $31.00 | Condition is Used, 05 06 Nissan Altima Transmission Control Module 2.5L TCM OEM ETC31-171N-A1 5415, FREE SHIPPING | 98.7% |
![]() | $33.71 | Condition is Used, 2005 2006 NISSAN ALTIMA TCM Transmission Control ETC31-171N A1 ETC31171NA1, FREE SHIPPING | ![]() |
![]() | $33.71 | Condition is Used, 2005 2006 NISSAN ALTIMA TCM Transmission Control ETC31-171N A1 ETC31171NA1, FREE SHIPPING | ![]() |
![]() | $26.00 | Condition is Used, 05 06 NISSAN ALTIMA TRANSMISSION CONTROL MODULE ETC31-171N-A1 2.5L TCM OEM, shipping cost = $9.52 | 97.1% |
![]() | $35.00 | Condition is Used, 2005-2006 Nissan Altima TCM transmission computer ETC31-171N OEM, FREE SHIPPING | 99.0% |
![]() | $35.00 | Condition is Used, ETC31-171N Nissan Altima 2005-2006 TCM transmission computer, FREE SHIPPING | 99.9% |
![]() | $20.00 | Condition is Used, 04 05 06 Nissan Altima Automatic Transmission Control Module TCM TCU ETC31-171N, shipping cost = $16.95 | 97.7% |
![]() | $24.99 | Top Pick! Condition is Used, ETC31171NA1 Nissan Altima 05-06 Transmission Control Unit TCU Module 16 14I4, shipping cost = $12.00 | ![]() |
![]() | $24.99 | Top Pick! Condition is Used, ETC31171NA1 Nissan Altima 05-06 Transmission Control Unit TCU Module 16 14N3, shipping cost = $12.00 | ![]() |
![]() | $24.99 | Top Pick! Condition is Used, ETC31171NA1 Nissan Altima 05-06 Transmission Control Unit TCU Module 09 5F4, shipping cost = $12.00 | ![]() |
![]() | $24.99 | Top Pick! Condition is Used, ETC31171NA1 Nissan Altima 05-06 Transmission Control Unit TCU Module 063 9I1 B5, shipping cost = $12.00 | ![]() |
![]() | $40.00 | Condition is Used, 05 06 Nissan Altima 2.5L Auto Transmission Control Module Oem ETC31-171N, FREE SHIPPING | 100.0% |
![]() | $41.99 | Top Pick! Condition is Used, NY435-1 OEM WARRANTY 05 06 NISSAN ALTIMA TRANSMISSION CONTROL COMPUTER MODULE, FREE SHIPPING | ![]() |
![]() | $35.00 | Condition is Used, 2005-2006 Nissan Altima 2.4L Transmission Control Module TCM OEM ETC31-171N A1, shipping cost = $13.01 | 99.8% |
![]() | $48.97 | Condition is Used, 2005-2006 Nissan Altima 2.5 Auto California Emissions Transmission Computer Tcu, FREE SHIPPING | 100.0% |
![]() | $49.99 | Top Pick! Condition is Used, 2005 NISSAN ALTIMA COMPUTER BRAIN ENGINE CONTROL ECU ECM MODULE ETC31-171N OEM, FREE SHIPPING | ![]() |
![]() | $49.99 | Top Pick! Condition is Used, 2006 06 NISSAN ALTIMA ETC31-171N COMPUTER BRAIN ENGINE CONTROL ECU ECM MODULE, FREE SHIPPING | ![]() |
![]() | $50.00 | Condition is Used, 05-06 Nissan Altima L31 OEM TCM transmission control module 2.5 # ETC31-171N, FREE SHIPPING | ![]() |
![]() | $50.00 | Condition is Used, Transmission ECM ETC31-171N Fits 2005 Nissan Altima OEM , FREE SHIPPING | 100.0% |
![]() | $52.93 | Condition is Used, ETC31-171N 2.5L Chassis Brain Box NISSAN ALTIMA 05 06, FREE SHIPPING | 99.7% |
![]() | $30.00 | Condition is Used, 2005 2006 NISSAN ALTIMA TCM Transmission Control ETC31-171N A1 ETC31171NA1, shipping cost = $25.35 | 99.5% |
![]() | $60.00 | Condition is Used, 2005-06 NISSAN ALTIMA TRANSMISSION CONTROL MODULE # ETC31-171N A1 5321, FREE SHIPPING | 100.0% |
![]() | $60.00 | Condition is Used, 2005-06 NISSAN ALTIMA CONTROL MODULE ETC31-171N A1 , FREE SHIPPING | 100.0% |
![]() | $65.00 | Condition is Used, NISSAN BRAIN BOX OEM # ETC31 171N A1 5228, shipping cost = $10.00 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $41.99 | Top Pick! Condition is Remanufactured, TRANSMISSION CONTROL MODULE NISSAN ALTIMA 2005 2006 ETC31-171N A1 TCM TCU OEM, FREE SHIPPING | ![]() |

The ETCS-31171N 2.5L Transmission ECM (Electronic Control Module) is a crucial component in the powertrain system of a 2005 Nissan Altima equipped with a 2.5L engine and automatic transmission. This advanced electronic device is responsible for monitoring and controlling various functions related to the transmission, ensuring optimal performance and fuel efficiency.
The ECM is designed with a microprocessor that processes input signals from various sensors, such as engine temperature, vehicle speed, and transmission position. Based on this data, the ECM makes adjustments to the transmission shift points, fuel injection, and other related parameters to maintain the best possible driving experience.
The ETCS-31171N 2.5L Transmission ECM features a sophisticated self-learning capability, which allows it to adapt to driving styles and road conditions. This results in smoother shifts and improved overall performance. The ECM also includes diagnostic capabilities, allowing it to identify and troubleshoot potential issues before they become major problems.
The housing of the ETCS-31171N 2.5L Transmission ECM is engineered from high-quality materials for durability and resistance to harsh engine bay conditions. The ECM is also designed to be easily accessible for maintenance and repair, with a convenient mounting location near the transmission.
This OEM (Original Equipment Manufacturer) part is a direct replacement for the original equipment installed in your 2005 Nissan Altima. Installing a new ETCS-31171N 2.5L Transmission ECM ensures that your vehicle's transmission control system functions at its best, providing reliable and efficient performance.
When it comes to maintaining the health of your Nissan Altima's powertrain, the ETCS-31171N 2.5L Transmission ECM is an essential component that should not be overlooked. With its advanced features, durability, and OEM quality, this part is an excellent investment in the long-term performance and reliability of your vehicle.
Buying a used ECM (Engine Control Module) for a 2005 Nissan Altima with the model number ETCS-31-171N and 2.5L transmission can be a cost-effective solution for addressing various transmission-related issues. However, it's essential to weigh the pros and cons before making a decision.
Pros:1. Cost-effective: Replacing a faulty transmission can be an expensive proposition. Buying a used ECM might be a more affordable alternative, especially if the transmission itself is still in good condition.
2. Availability: Aftermarket ECMs are widely available, making it easier to find a compatible and functional unit.
3. Diagnostic capabilities: A used ECM might help diagnose other potential issues that could be causing transmission problems.
Cons:1. Risk of compatibility issues: Using a used ECM from a different vehicle or with different specifications could lead to compatibility issues, which could require additional modifications or adjustments.
2. Quality concerns: Purchasing a used ECM from an unknown source could result in receiving a faulty or low-quality part.
3. Installation complexities: Installing a used ECM requires a certain level of technical expertise and knowledge of the vehicle's electrical systems.
Conclusion:Buying a used ETCS-31-171N ECM for a 2005 Nissan Altima with a 2.5L transmission can be a viable option to save costs and potentially diagnose underlying transmission problems. However, it's crucial to consider the potential risks and challenges, such as compatibility issues, quality concerns, and installation complexities.
Recommendation:If you're considering purchasing a used ETCS-31-171N ECM for your 2005 Nissan Altima, do thorough research on the seller's reputation and the part's compatibility with your vehicle. Additionally, consider having the ECM inspected by a professional mechanic before installation to ensure its quality and functionality.
Details:
specifications perfoelectric:
- for models: Altima
- for years: 2005
- brand: Nissan
- mpn: Etc31-171n
- part type: Ecm Transmission
- genuine oem: Yes
- country of origin: United States
general perfoelectric:
- category: Auto Parts > Electrical Components
seller perfoelectric:
- # reviews: 3347
- rating: 99.8%
- city: tampa, florida
shipping perfoelectric:
- transit: 5-11 days
- carrier: usps
- class: standard
- type: fixed
- service: usps ground advantage
payments perfoelectric:
- credit card: discover
- wallet: google-pay
- other
returns perfoelectric:
- paid by: seller
- time: 30 days
- policy: returns accepted
offer perfoelectric:
- options: ship-to-home
- sold #: 12
- started: february 7, 2026
- prices: $15.00–$65.00
- item condition:
- Used
- Remanufactured
- best offers: true
- in stock #: 5
- availability: in stock
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