VOLVO
REM-1D03 - Control module, not fully programmed Internal fault
System
Rear Electronic Module (REM)
Volvo models this fault code applies to
This fault code has different meanings depending on model, model year or engine. Select the meaning that applies to your car.
Applies to the following models:
5 modelsS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
What does this fault code mean?
The rear electronic module (REM) has registered that its programming is faulty or incomplete, and the code is therefore stored. The fuel gauge may then stop working, and the tailgate and fuel filler cap cannot be locked or unlocked.
Possible causes
- Internal fault in the control module
What you can do
- 1Read and note the fault code, clear it and test drive the car to see whether it returns
- 2Check that the fuse for the rear electronic module has not blown
- 3If the fault remains, have a workshop replace the software in the rear electronic module (REM)
Symptoms you may notice3
- The fuel gauge stops working
- The tailgate can neither be locked nor unlocked
- The fuel cap can neither be locked nor unlocked
General guidance for car owners. Diagnosis on the car can point to a different cause.