The 2003 Jaguar XK, a luxury grand tourer available as a Coupe or Convertible, represents the final generation of the X100 platform. This model is celebrated for its classic Jaguar GT styling, elegant lines, and refined performance, embodying a design philosophy that blends timeless aesthetics with potent engineering. It was positioned to compete with prestigious marques such as Porsche, BMW, and Mercedes-Benz, appealing to discerning buyers who value a combination of performance, luxury, and distinctive automotive artistry. The XK's heritage is rooted in Jaguar's long history of producing iconic sports cars, building upon the legacy of models like the E-Type.

This manual serves as a comprehensive Diagnostic Trouble Code (DTC) Summary and Quick Reference Guide, specifically focusing on the body electrical and control systems of the 2003 Jaguar XK. It provides detailed explanations and interpretation for body-related DTCs, offering intermediate to advanced diagnostic support. The guide covers a wide array of systems including the Body Control Module, comfort systems, lighting, security, instrument cluster, and convertible top module. Its purpose is to equip technicians and knowledgeable enthusiasts with the necessary information to efficiently diagnose and resolve electrical issues, requiring a compatible OBD-II scanner for effective use.