# Service bulletin P4HALOGENUPDATE

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: 10187844
- Published by NHTSA: 2021\-03\-02
- Manufacturer's number: P4HALOGENUPDATE
- Manufacturer's date: 2021\-02\-16
- NHTSA component: VISIBILITY; ELECTRICAL SYSTEM; EXTERIOR LIGHTING

## NHTSA's summary

Customer Maintenance Enhancements for the P4 Halogen Lamp replacement procedure.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10187844-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10187844-9999.pdf)

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

## Components

Electrical system, Glass, wipers and mirrors, Lighting

## Vehicles listed

- 2017 to 2022 FREIGHTLINER CASCADIA

## Recalls for the same vehicles and component

- [2024745](/recalls/tc/2024745.md), 2024-12-10: Visual System
- [2023280](/recalls/tc/2023280.md), 2023-05-11: Lights And Instruments
- [23V208000](/recalls/nhtsa/23V208000.md), 2023-03-28: EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS; EXTERIOR LIGHTING
- [2023060](/recalls/tc/2023060.md), 2023-02-14: Lights And Instruments
- [22V101000](/recalls/nhtsa/22V101000.md), 2022-02-22: SERVICE BRAKES; ELECTRICAL SYSTEM:SOFTWARE
- [20V567000](/recalls/nhtsa/20V567000.md), 2022-02-16: EXTERIOR LIGHTING:BRAKE LIGHTS
- [2021399](/recalls/tc/2021399.md), 2021-06-25: Electrical
- [21V481000](/recalls/nhtsa/21V481000.md), 2021-06-25: ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
- [2021290](/recalls/tc/2021290.md), 2021-05-14: Lights And Instruments
- [21V357000](/recalls/nhtsa/21V357000.md), 2021-05-14: EXTERIOR LIGHTING:HEADLIGHTS:BULBS

## Other bulletins for the same vehicles and component

- [CXA 06\_26\_Utility Lamp](/bulletins/11034519.md), 2026-07-06, Other: EXTERIOR LIGHTING. CX Advocate for Utility Lamp water intrusion
- [SS 3175\-FTL](/bulletins/11031986.md), 2026-05-02, Other: ELECTRICAL SYSTEM. Service Solution for Progressive Low Voltage Disconnect Parameter Update
- [FleetCom 1\_Solenoid](/bulletins/11031966.md), 2026-05-02, Other: ELECTRICAL SYSTEM. Fleet Communications for solenoid issues
- [FleetCom\_Hood Tilt CPC](/bulletins/11030686.md), 2026-04-03, Other: VISIBILITY/WIPER. Fleet Communications for Hood Tilt CPC update and OI Comfort Mode parameters
- [FleetCom\_ECU Faults](/bulletins/11028287.md), 2026-02-05, Other: ELECTRICAL SYSTEM. Fleet Communications for Intermittent Connections and ECU Fault Codes
- [FleetCom\_ECU Faults](/bulletins/11027492.md), 2026-01-08, Other: ELECTRICAL SYSTEM. Fleet Communications for Corrosion Protecton/Glyptal Application
- [FleetCom\_SS 3174\-FTL](/bulletins/11026469.md), 2025-12-06, Other: ELECTRICAL SYSTEM. Fleet Communication for SS 3174\-FTL
- [FleetCom\_AMP Draw](/bulletins/11026454.md), 2025-12-06, Other: ELECTRICAL SYSTEM. Fleet Communications for Key off amp draw
- [CXA 11\_25\_ECU Faults](/bulletins/11025880.md), 2025-12-02, Other: ELECTRICAL SYSTEM. CX Advocate for Intermittent Connections and ECU Fault Codes
- [SS3076\-FTL](/bulletins/11024972.md), 2025-11-05, Other: VISIBILITY/WIPER. Service Solution for P4 Main Mirror Arm Covers Loose \- Falling Off

JSON: [/v1/bulletins/10187844](/v1/bulletins/10187844)

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