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: |
|---|---|---|
| AO | 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 | USA version | 34D |
| Code 494 | USA version | 43D |
| Code 494 | USA version | 69D |
| Code 494 | USA version | 76E |
| Code 494 | USA 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 | 62L |
| 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 |
| N28/1 | Trailer recognition control unit | 74A |
| N28/1 | Trailer recognition control unit | 91A |
| N28/1 | Trailer recognition control unit | 104A |
| N69/1 | Left front door control unit | 79A |
| N69/2 | Right front door control unit | 85A |
| S142/2 | Trunk lid/liftgate fully electric trailer hitch switch | 72L |
| S142/3 | Driver door fully electric trailer hitch switch | 84L |
| S142/3 | Driver door fully electric trailer hitch switch | 77L |
| W15/5 | Left front footwell ground point | 53L |
| W3/11 | Left rear wheel well ground point | 69L |
| W3/8 | Right rear wheel well ground point | 42L |
| W3/8 | Right rear wheel well ground point | 49L |
| W3/8 | Right rear wheel well ground point | 24E |
| X58 | Trailer socket | 38L |
| X58/11 | Trailer socket (7-pin) | 46L |
| X58/28 | Electric Brake Control electrical connector | 51L |
| X58/33 | Vehicle interior/trailer hitch electrical connector | 49H |
| X58/33 | Vehicle interior/trailer hitch electrical connector | 41H |
| Z58/8z1 | Trailer hitch circuit 31 connector sleeve | 30G |