# Service bulletin DOC\-1033482

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10151502
- Published by NHTSA: 2018\-12\-10
- Manufacturer's number: DOC\-1033482
- Manufacturer's date: 2018\-05\-01
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

Trailer Stop Lamp Activation w/ Hand Valve \(Parameter Configuration\) \- P4 New Cascadia

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10151502-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10151502-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Lighting

## Vehicles listed

- 2018 to 2019 FREIGHTLINER CASCADIA

## Recalls for the same vehicles and component

- [20V567000](/recalls/nhtsa/20V567000.md), 2022-02-16: EXTERIOR LIGHTING:BRAKE LIGHTS
- [2021290](/recalls/tc/2021290.md), 2021-05-14: Lights And Instruments
- [21V357000](/recalls/nhtsa/21V357000.md), 2021-05-14: EXTERIOR LIGHTING:HEADLIGHTS:BULBS
- [2020158](/recalls/tc/2020158.md), 2020-04-14: Lights And Instruments
- [20V214000](/recalls/nhtsa/20V214000.md), 2020-04-14: EXTERIOR LIGHTING
- [2018575](/recalls/tc/2018575.md), 2018-10-22: Lights And Instruments
- [18V742000](/recalls/nhtsa/18V742000.md), 2018-10-19: EXTERIOR LIGHTING:BRAKE LIGHTS; EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH
- [17V761000](/recalls/nhtsa/17V761000.md), 2017-11-27: EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH; EXTERIOR LIGHTING:BRAKE LIGHTS

## Other bulletins for the same vehicles and component

- [FAB146](/bulletins/10193690.md), 2021-05-18, Service bulletin: VISIBILITY; EXTERIOR LIGHTING. Freightliner Action Bulletin FAB146 Cascadia LED headlights
- [P4HALOGENUPDATE](/bulletins/10187844.md), 2021-03-02, Service bulletin: VISIBILITY; ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Customer Maintenance Enhancements for the P4 Halogen Lamp replacement procedure.
- [Techtalk7997](/bulletins/10184928.md), 2020-12-31, Service bulletin: EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Tech Talk discussion on trailer lights fuse.
- [Techtalk3425](/bulletins/10184894.md), 2020-12-31, Service bulletin: EXTERIOR LIGHTING. Tech talk continuing discussion on P4 intermittent headlamps.
- [TechTalk7727](/bulletins/10180594.md), 2020-10-02, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; INTERIOR LIGHTING. Tech talk discussion about issue with the aux hvac blower and the reading light
- [TechTalk7680](/bulletins/10180383.md), 2020-10-01, Service bulletin: EXTERIOR LIGHTING. Tech Talk discussion on Intermittent Left Turn Signal.
- [TechTalk4855](/bulletins/10180351.md), 2020-09-30, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY; INTERIOR LIGHTING. Tech Talk discussion for P4 Next Gen Cascadia dome lights stay on while driving.
- [SB54\-331](/bulletins/10179872.md), 2020-09-16, Service bulletin: VISIBILITY; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Updated Freightliner Service Bulletin for Updated ULB Control Unit for LED Headlamps. This bulletin replaces the version dated July 30, 2020. Information about a reman part has been added. New Cascadia vehicles with light emitting diode \(LED\) headlamps built from January 1, 2017 through February 17, 2020 may experience intermittent disabled headlamps due to an issue with the universal light ballast \(ULB\). The LED headlamps can turn off if the supply voltage drops below approximately 9V. This low voltage commonly and momentarily occurs when cranking the engine on a vehicle with batteries that are not fully charged. The momentary low voltage may cause the electronic ULB control unit to malfunction. The ULB may not resume normal function until the power supply to the headlamp is disconnected.
- [SB54\-331](/bulletins/10177693.md), 2020-07-31, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING; VISIBILITY. Freightliner Service Bulletin for Updated ULB Control Unit for LED Headlamps. New Cascadia vehicles with light emitting diode \(LED\) headlamps built from January 1, 2017 through February 17, 2020 may experience intermittent disabled headlamps due to an issue with the universal light ballast \(ULB\). The LED headlamps can turn off if the supply voltage drops below approximately 9V. This low voltage commonly and momentarily occurs when cranking the engine on a vehicle with batteries that are not fully charged. The momentary low voltage may cause the electronic ULB control unit to malfunction. The ULB may not resume normal function until the power supply to the headlamp is disconnected.
- [SB54\-333](/bulletins/10177672.md), 2020-07-30, Service bulletin: EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Service Bulletin for Installing a Fog Lamp Backshell. The connector that attaches to the fog lamp is exposed to water spray from the front tires. Even though the connector is sealed, water spray, in addition to wiring that may be pulled sideways, can cause water intrusion into the connector. A backshell can be added to the connector to provide shielding from direct water spray. It also provides strain relief for the wires entering the connector.

JSON: [/v1/bulletins/10151502](/v1/bulletins/10151502)

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