WenmarOpen by Wenmar Pro

Service bulletins for the 2015 Freightliner Cascadia

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.

837 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
543022023-05-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ABS Light illuminating in the ICU.
8V4912023-05-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ICUC Bulb check function.
SS3113-FTL20222022-11-02. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Service Solution for DPF Harness Rub-Chafe onTrans-Wire Braided Air Hose.
SS10345442022-07-02. Service bulletin. ELECTRICAL SYSTEM. Service Solution for SSAM Fault 520197/31 - MQ SwitchMalfunction Troubleshooting
SS37042021-06-10. Service bulletin. ELECTRICAL SYSTEM. Cascadia Fault codes 6.0
SS4690682021-06-09. Service bulletin. ELECTRICAL SYSTEM. SS 469068 Cascadia SAM Cab, SAM Chassis, MSF and CGW Hardware Compatibility
SS10331212021-06-09. Service bulletin. ELECTRICAL SYSTEM. SS 1033121 Adding a Fan Override Switch (Legacy Cascadia)
SS10336382021-06-09. Service bulletin. ELECTRICAL SYSTEM. SS 1033638 - Power Window Express Down Module Discontinued
FAB1532021-05-18. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Freightliner Action Bulletin FAB153 New Harness Highway for Cascadia
WP21-0072021-03-24. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Warranty Policy Letter for battery tags. DTNA determined that since adopting the AutoMeter BCT-460DTNA Powernet Assessment Tool (AutoMeter) as the required powernet system tester, not all battery tags have to be retained support Warranty-related claims.
TechTalk89952021-03-05. Service bulletin. SERVICE BRAKES; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Tech Talk discussion on SCR ADS Self-Check.
TechTalk122432021-03-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Tech Talk discussion on CHECK ENGINE LIGHT AND CHECK TRANS LIGHT ON.
SS10347612021-02-27. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Service Solution for P3 - CEL On and Engine de-rate due to ATD Chassis Harness Circuit 532M5+ at DEF Heater Supply location is shorted.
WI21-0062021-02-26. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes - Claim Guidelines.
TechTalk80822021-02-03. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Tech Talk discussion on P3 Cascadia tail lights stay on.
TechTalk63742020-11-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Tech Talk discussion on a 2015 Cascadia that will not start after replacing APU batteries.
SB54-2782020-10-28. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Updated Freightliner Service Bulletin for Powernet Troubleshooting Guide - Batteries, Path, Alternator, and Starter. This bulletin replaces the version dated 5/31/2017. Information is added about the BCT-460DTNA PowerNet Assessment Tool. When troubleshooting Powernet issues, use the BCT-460DTNA PowerNet Assessment Tool. As of May 29, 2018, the AutoMeter® is the only Daimler-approved tool for troubleshooting vehicle Powernet issues.
20CSA-152020-09-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT. Customer Service Announcement for Release of DiagnosticLink 8.12 Service Pack 2. On Thursday, September 3, 2020, Service Pack (SP) 2 for DiagnosticLink 8.12 Standard and Professional will be made available to download from the Detroit Diesel server.
D20M12020-04-24. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. Updated DDC Field Service Campaign for GHG14 DETROIT DD13 with Two-Box Aftertreatment Software Reprogramming. Certain Detroit Model Year 2013 to 2015 GHG14 DD13 engines that are registered in California will require reprogramming to a minimum of the MCM software version and fuel map version listed below: MCM Software Version 4.7.0.0 ZGS 005. Certain sections have been updated for clarity.
SB54-3272020-04-17. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. Service Bulletin for Lengthening the Backup Light Harness. Though the backup light harness is long enough to connect to the backup light switch, it may be short enough that the wire seals in the connector can be stressed. Moisture entering through the seals can cause corrosion, resulting in a bad connection and/or failure of the switch. As a result, backup lights and, if equipped, the backup alarm, may not function when the vehicle is shifted into reverse.
CALHIGHCURRENT2020-03-03. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. Customer Advisory Letter that an inspection to determine if the high current breaker has been bypassed.
SB54-2902020-02-15. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin for Guidelines for Repairing or Replacing an Electrical Harness. Use the guidelines in this bulletin to determine if a damaged electrical harness should be repaired or replaced.
SS10340682020-01-19. Service bulletin. ELECTRICAL SYSTEM. Service Solution for Meritor Wabco OnGuard Radar Service Alignment. If the radar sensor needs to be aligned, the radar sensor mounting system has become damaged or has loosened, or new radar sensor software has been installed, a Radar Sensor Service Alignment will need to be performed.
SB54-2902020-01-17. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin on guidelines for repairing or replacing an electrical harness.
SS10345982020-01-03. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; EQUIPMENT. Service Solution for Legacy Cascadia, where trailer turn signals or 4-way flashers used in applications with high duty cycles, the left and right turn signals may experience shortened relay life.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.