Trailer Recognition Control Unit Wiring Diagram - PE31.19-P-2101-97FCA
Model 253 (except 253.99) as of model year 2020 with code 550 (Trailer coupling) Control unit N28/1
| Code: | Designation: | Position: |
| A0 | Use of wiring diagrams | 113L |
| A63 | Trailer hitch release | 31L |
| CAN B | Interior CAN | 63K |
| Code 460 | Canada version | 34D |
| Code 460 | Canada version | 43D |
| Code 460 | Canada version | 69D |
| Code 460 | Canada version | 76D |
| Code 460 | Canada version | 82D |
| Code 494 | US version | 34D |
| Code 494 | US version | 43D |
| Code 494 | US version | 69D |
| Code 494 | US version | 76E |
| Code 494 | US version | 82E |
| Code L | LEFT-HAND DRIVE | 75D |
| Code R | RIGHT-HAND DRIVE | 81D |
| F1/3 | Passenger-side A-pillar fuse box | 55L |
| F1/3f307 | Fuse 307 | 54L |
| K40/5 | Rear fuse and relay module | 21L |
| K40/5 | Rear fuse and relay module | 12L |
| K40/5f407 | Fuse 407 | 10L |
| K40/5f444 | Fuse 444 | 20L |
| K40/5f445 | Fuse 445 | 15L |
| K40/5f446 | Fuse 446 | 19L |
| K40/5f447 | Fuse 447 | 17L |
| K40/5f448 | Fuse 448 | 18L |
| K40/5f452 | Fuse 452 | 8L |
| K40/5f461 | Fuse 461 | 11L |
| K40/5f468 | Fuse 468 | 6L |
| K40/5f471 | Fuse 471 | 7L |
| N10/8 | Rear SAM control unit | 32L |
| N28/1 | Trailer recognition control unit | 4A |
| N28/1 | Trailer recognition control unit | 12A |
| N28/1 | Trailer recognition control unit | 20A |
| N28/1 | Trailer recognition control unit | 28A |
| N28/1 | Trailer recognition control unit | 36A |
| N28/1 | Trailer recognition control unit | 44A |
| N28/1 | Trailer recognition control unit | 52A |
| N28/1 | Trailer recognition control unit | 60A |
| N28/1 | Trailer recognition control unit | 68A |