There was one technical service bulletin issued for the 1991 Freightliner Conventional.
| Bulletin Date: | Aug. 1, 1993 |
| Component: | Interior lighting. |
| Bulletin Summary: | door-activated dome light switch mounting-bracket redesign. |
| Vehicles covered in this TSB: |
1991 COE Freightliner,
1991 Conventional Freightliner,
1991 Freightliner COE,
1991 Freightliner Conventional.
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