Audi A6 3.0 TDI - P0048 and P3348 Fault Codes Causing Limp Mode and Glow Plug Warning

Model: audi a6 3.0 Fault Code: P0048 Posted: 2020-09-26 02:37

Hi everyone, I'm looking for help with a recurring issue on my Audi A6 3.0 TDI. Over the past two weeks, my car has repeatedly entered limp mode and displays a flashing glow plug warning light. I've retrieved the diagnostic codes: P0048 and P3348. - P0048 indicates a 'Boost Solenoid A' fault (high). - P3348 points to a 'Boost Control Module' issue. My vehicle is equipped with four boost control solenoids, but I'm unsure where to begin troubleshooting. I've scheduled an appointment with Audi service, however, it's two weeks away and I currently can't drive the car due to this problem. Any insights or suggestions on how to diagnose or fix these codes would be greatly appreciated.