--- title: Do the Letters at the End of the TIPM Part Number Matter? description: The letters at the end of the Totally Integrated Power Module (TIPM) part number can be significant, depending on the make and model of your vehicle. Here’s what you need to know about these letters a --- [Skip to content](https://info.upfix.com/kb/do-the-letters-at-the-end-of-the-tipm-part-number-matter#main-content) English Show submenu for translations ![logo (2)](https://info.upfix.com/hs-fs/hubfs/logo%20(2).png?width=189&height=56&name=logo%20(2).png) Open main navigation Close main navigation - English Show submenu for translations - Website Website Hello. How can we help you? - There are no suggestions because the search field is empty. 1. [UpFix FAQ's](https://info.upfix.com/kb?hsLang=en) 2. [Automotive](https://info.upfix.com/kb/automotive?hsLang=en) 3. [TIPM & Fuse Box](https://info.upfix.com/kb/automotive?hsLang=en#tipm-fuse-box) # Do the Letters at the End of the TIPM Part Number Matter? The letters at the end of the Totally Integrated Power Module (TIPM) part number can be significant, depending on the make and model of your vehicle. Here’s what you need to know about these letters and their importance. 1. **Date Stamp**: - The two letters at the end of the TIPM part number are typically a date stamp indicating when the part was built. For most vehicles, these letters do not affect the functionality or compatibility of the TIPM. 2. **Main Digits Matter**: - The primary digits of the part number are the critical identifiers that determine the TIPM's compatibility with your vehicle. These digits specify the exact model and configuration needed for your vehicle's electrical system. #### Specific Circumstances Where Letters Matter: 1. **2006 – 2011 Dodge Dakota**: - For Dodge Dakota vehicles manufactured between 2006 and 2011, the letters at the end of the TIPM part number can be important. Ensure that the replacement TIPM matches the original part number, including the letters, to avoid compatibility issues. 2. **2014 and Newer Chrysler, Pacifica & Jeep Cherokee**: - For Power Distribution Centers (PDCs) in 2014 and newer Chrysler 200, Pacifica, and Jeep Cherokee vehicles, the letters at the end of the part number also matter. 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