The Central Electronics Control Module (CECM) is situated above the pedals on the drivers side and controls all the lights in the car, monitors them, controls what appears in the MFD under the lights menu, controls the leaving home and coming home lights function, controls the horn(s) and other features. There are different variants of this module called the Medium and the Highline, the latter is required for fog lights, bi-xenons and other features.
Partial listing of CECM’s and their details
3C0 937 049 (3C0937049) – 21 Byte – Medium
3C0 937 049 A (3C0937049A) – 21 Byte – Medium
3C0 937 049 B (3C0937049B) – 21 Byte – Medium
3C0 937 049 C (3C0937049C) – 21 Byte – Highend
3C0 937 049 D (3C0937049D) – 21 Byte – Medium
3C0 937 049 E (3C0937049E) – 21 Byte – Highend
3C0 937 049 F (3C0937049F) – 21 Byte – Medium
3C0 937 049 G (3C0937049G) – 21 Byte – Highend
3C0 937 049 H (3C0937049H) – 23 Byte – Medium
3C0 937 049 J (3C0937049J) – 23 Byte – Highend
3C0 937 049 K (3C0937049K) – 23 Byte – Medium
3C0 937 049 L (3C0937049L) – 23 Byte – Highend
3C0 937 049 P (3C0937049P) – 23 Byte – Medium
3C0 937 049 Q (3C0937049Q) – 23 Byte – Highend
3C0 937 049 R (3C0937049R) – 23 Byte – Medium
3C0 937 049 S (3C0937049S) – 23 Byte – Highend
3C0 937 049 T (3C0937049T) – 23 Byte – Medium
3C0 937 049 AA (3C0937049AA) – 23 Byte – Highend
3C0 937 049 AB (3C0937049AB) – 23 Byte – Medium
3C0 937 049 AC (3C0937049AC) – 23 Byte – Highend
3C0 937 049 AD (3C0937049AD) – 23 Byte – Medium
3C0 937 049 AE (3C0937049AE) – 23 Byte – Highend
3C0 937 049 AF (3C0937049AF) – 23 Byte – Medium
3C0 937 049 AG (3C0937049AG) – 23 Byte – Highend
3C0 937 049 AH (3C0937049AH) – 30 Byte – Medium
3C0 937 049 AJ (3C0937049AJ) – 30 Byte – Highend
3C0 937 049 AK (3C0937049AK) – 30 Byte – Medium
3C0 937 049 AL (3C0937049AL) – 30 Byte – Highend
3C8 937 049 A (3C8937049A) – 30 Byte – Medium
3C8 937 049 D (3C8937049D) – 30 Byte – Medium
3C8 937 049 E (3C8937049E) – 30 Byte – Highend
3C8 937 049 F (3C8937049F) – 30 Byte – Highend
3C8 937 049 G (3C8937049G) – 30 Byte – Medium
3C8 937 049 H (3C8937049H) – 30 Byte – unsure
3C8 937 049 N (3C8937049N) – 30 Byte – unsure
3C8 937 049 P (3C8937049P) – 30 Byte – unsure
3C8 937 049 Q (3C8937049Q) – 30 Byte – unsure
3C8 937 049 R (3C8937049R) – 30 Byte – Highend
3C8 937 049 S (3C8937049S) – 30 Byte – Highend
3C8 937 049 AA (3C8937049AA) – 30 Byte – unsure
3C8 937 049 AB (3C8937049AB) – 30 Byte – Highend
[...] will need a 30 Byte Central Electronics Convenience Module (CECM) which are fitted to MY08’s models [...]
Hi i have a golf edition 30 gti 2007 can i add this module to my car?? do i just update on the vcds system?
[...] also share the same components – albeit with different part no's. I got the info from here: Volkswagen Central Electronics Control Module (CECM) | my-gti.com Been offered the following CE for a very good price: 1K0 937 049 K I know the beginning of the [...]
so if I want to mounted xenon lights i need controler which have 30bites good understand?? and also higline??
a 3c8 937 049 ab it can be replaced by a 3c8 937 049 e (or f) still 30 byte highend for a seat leon 1p (2006)