| Options | Interchange # |
| |
| ABS |
| | SEE-545 |
| Air Bag |
| (on transmission tunnel) |
| ID 13592892 | 591-08665 |
| ID 13594402 | 591-08213 |
| Body Control (BCM) |
| (under steering column) | 591-04189 |
| Communication |
| (OnStar, opt UE1) |
| (center dash, behind radio) |
| ID 23399198 | 591-08645 |
| ID 23399199 | 591-08661 |
| ID 84023337 | 591-08660 |
| ID 84023338 | 591-08661 |
| Driver Assist |
| (park assist) |
| (RH cab back panel) |
| opt UD5 |
| ID 23221161 | 591-04194 |
| ID 23410251 | 591-04195 |
| opt UD7 |
| ID 23221160 | 591-04196 |
| ID 23410250 | 591-04197 |
| Fuel Pump |
| (LH frame rail) |
| (6.0L, opt LC8) | 591-08666 |
| Information-GPS-TV |
| (RH dash) |
| (human machine interface, HMI) |
| ID 23228496 | 591-08428 |
| ID 23415899 | 591-04217 |
| ID 23415901 | 591-04220 |
| ID 84028492 | 591-04217 |
| ID 84028495 | 591-04220 |
| Memory |
| (under driver seat) | 591-04231 |
| Power Steering |
| (on steering gear) | 591-11123 |
| Suspension |
| (LH rear frame) | 591-08667 |
| Temperature |
| (RH under dash) |
| ID 13506228 | 591-08518 |
| ID 13506229 | 591-08454 |
| Towing Control |
| (LH rear frame) | 591-08526 |
| Transfer Case |
| (LH dash) | 591-08506 |
| Transmission |
| (LH fan shroud) |
| (AT, 6 speed, opt MW7) | 591-08340 |