# Continental Generator Remanufactured Alternating Current Generator for Audi Vehicles (Part Number: 4N0903028N)<\/p>\n
This detailed product description applies to the high-quality, remanufactured Continental generator (alternator) developed specifically for Audi vehicles. This component is crucial for the proper functioning of 48V mild-hybrid systems and offers a reliable solution for the most common failures.<\/p>\n
## Product Overview and Significance<\/p>\n
The failure of 48V starter-generators used in modern Audi vehicles is unfortunately an increasingly common problem, causing significant recall waves in Europe since 2020. While early cases saw brand dealerships replacing the unit for free, later failures \u2013 often referred to by the media as \u201emild-hybrid catastrophes\u201d \u2013 are now burdening the owners' wallets.<\/p>\n
This remanufactured Continental generator (part number: 4N0903028N) is a unit restored to original factory specifications, guaranteeing the stable operation of the 48V system, including the main electrical network, the Start-Stop system, and brake assist.<\/p>\n
## The Most Common Failures of 48V Starter-Generators<\/p>\n
The driver is notified of the problem by error messages appearing on the dashboard. It is important to know that these messages rarely refer directly to the alternator failure; rather, they draw attention to general faults related to the starter-generator or the 48V battery.<\/p>\n
**The most common diagnostic trouble codes (generated by the ECU in case of 48V system failure):**<\/p>\n
* **P065C00:** Generator mechanical characteristics \u2013 Intermittent operation
\n* **U046900:** Starter-Generator control unit, invalid signal (36564)
\n* **P0CA700:** Hybrid drive battery, discharge current too high<\/p>\n
**Main causes of failure:**
\nThe most common problems stem from the failure of the electronic boards and contacts found in the alternator's processors. Although Audi officially cited moisture as the cause in some recalls, the actual issue was excessively high operating current. This current caused overheating in the power transistors, eventually leading to the burnout of the power board.<\/p>\n
**Consequences of system shutdown:**
\nIn case of failure, the vehicle often loses its \u201evital signs,\u201d meaning it becomes immobilized. This is because the faulty generator completely drains the 48V battery, which then switches to protective mode. It is important to note that simply installing a new generator does not solve the problem: a special diagnostic tool (e.g., ODIS) is required to release the battery protection. Furthermore, deep discharge of the high-voltage battery can lead to cell damage, i.e., irreversible processes.<\/p>\n
## Technical Specifications and Compatibility<\/p>\n
This remanufactured unit originates from Continental's production line and has undergone rigorous quality control to meet factory expectations.<\/p>\n
| Feature | Specification |
\n| :— | :— |
\n| **Manufacturer** | Continental |
\n| **Type** | Remanufactured Alternating Current Generator (Alternator) |
\n| **Application** | Audi 48V Mild-Hybrid Systems |
\n| **Category** | Generators \/ Starters and Generators |
\n| **Condition** | Remanufactured |<\/p>\n
### Factory Part Numbers and Supersession Codes<\/p>\n
This generator replaces several Audi and Volkswagen factory part numbers, ensuring broad compatibility:<\/p>\n
**Factory Audi\/VW Part Numbers:**
\n* Volkswagen 4N0903028J
\n* Volkswagen 4N0903028N (This is the product code)
\n* Volkswagen 4N0903028P
\n* Volkswagen 4N0903028PX
\n* Volkswagen 4N0903028R
\n* Volkswagen 4N1903028
\n* Volkswagen 4N1903028X<\/p>\n
**Short Codes:**
\n* A146490
\n* A150534
\n* A159540<\/p>\n
**Manufacturer Codes (TMI):**
\n* AL04680<\/p>\n
**Commercial Codes (Substitutes):**
\n* 032111 Da Silva
\n* 12091055 EuroTec
\n* 307403250 PSH
\n* 39006 Lester<\/p>\n
## Advantages and Warranty<\/p>\n
Choosing a remanufactured part is not only a cost-effective solution but also an environmentally responsible decision. During the remanufacturing process offered by Stremtec, critical components prone to failure (especially electronics and power electronics boards) are replaced, so the durability and performance of the generator approach that of a new part.<\/p>\n
**Key Advantages:**<\/p>\n
1. **Reliable Operation:** Replacing the sources of the most common electronic failures ensures the stability of the 48 V system.
\n2. **Full Compatibility:** Suitable for replacing a wide range of original part numbers for Audi and Volkswagen mild-hybrid models.
\n3. **Cost-Effectiveness:** Significant savings compared to a new original part, while quality is guaranteed.
\n4. **System Reset:** After successful replacement, the vehicle's immobilizer is canceled, and the 48 V battery protection mode can be professionally deactivated.<\/p>\n
This 4N0903028N Continental generator is an ideal choice for specialized service centers and independent workshops dealing with the repair of Audi 48 V systems, seeking a durable, tested solution for frequent starter-generator failures.<\/p>","protected":false},"excerpt":{"rendered":"
Refurbished Continental alternator for Audi, part number: 4N0903028N. A guaranteed reliable component for your vehicle's electrical systems.<\/p>","protected":false},"featured_media":350399,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[366],"product_cat":[12998],"product_tag":[],"class_list":["post-362765","product","type-product","status-publish","has-post-thumbnail","product_brand-stremtec","product_cat-egyeb-termekek","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/product\/362765","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/comments?post=362765"}],"version-history":[{"count":1,"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/product\/362765\/revisions"}],"predecessor-version":[{"id":371953,"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/product\/362765\/revisions\/371953"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/media\/350399"}],"wp:attachment":[{"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/media?parent=362765"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/product_brand?post=362765"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/product_cat?post=362765"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/product_tag?post=362765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}