Service bulletin 0503-18
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 | 10151485 |
| Published by NHTSA | 2018-12-10 |
| Manufacturer's number | 0503-18 |
| Manufacturer's date | 2018-05-03 |
| NHTSA component | EQUIPMENT; ENGINE |
NHTSA's summary
0503-18 Relative Cylinder Compression Test
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine, Equipment and accessories
| FREIGHTLINER 114SD | 2014 |
|---|---|
| FREIGHTLINER 114SD | 2016, 2017, 2018 |
| FREIGHTLINER 122SD | 2014 |
| FREIGHTLINER 122SD | 2016 to 2018 |
| FREIGHTLINER BUSINESS CLASS M2 | 2014 |
| FREIGHTLINER BUSINESS CLASS M2 | 2016 to 2018 |
| FREIGHTLINER CASCADIA | 2014 |
| FREIGHTLINER CASCADIA | 2016, 2017, 2018 |
| WESTERN STAR 4700 | 2014 |
| WESTERN STAR 4700 | 2016, 2017, 2018 |
| WESTERN STAR 4900 | 2014 |
| WESTERN STAR 4900 | 2016, 2017, 2018 |
| WESTERN STAR 5700 | 2014 |
| WESTERN STAR 5700 | 2016, 2017, 2018 |
| WESTERN STAR 6900 | 2014 |
| WESTERN STAR 6900 | 2016, 2017, 2018 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2020408 | 2020-09-01. Engine |
|---|---|
| 20V527000 | 2020-09-01. ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING |
| 18V581000 | 2018-08-30. ENGINE AND ENGINE COOLING:ENGINE:DIESEL |
| 2017636 | 2017-12-18. Accessories |
| 17V810000 | 2017-12-15. EQUIPMENT |
| 17V452000 | 2017-07-17. EQUIPMENT |
| 16V416000 | 2016-06-09. ENGINE AND ENGINE COOLING:ENGINE:DIESEL |
| 2016285 | 2016-06-06. Engine |
| 16V143000 | 2016-03-09. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT:ELECTRICAL |
| 15V816000 | 2015-12-07. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| FleetCom_SS 3163-FTL | 2025-12-06. Other. Fleet Communications for Power Steering Reservoir Fill Cap Venting |
|---|---|
| CXA 3_25_NOx | 2025-04-02. Other. CX Advocate for NOx conversion low faults |
| CXA 2_25_Turbo Oil Drain | 2025-03-04. Other. CX Advocate for turbo oil drain cracking |
| CXA 2_25_NOx | 2025-03-04. Other. CX Advocate for NOx conversion low faults |
| MYCOM_02102025-1 | 2025-03-04. Other. My Communications for Variable Speed Coolant Pump for DD13 Engines - Cascadia/57X Only |
| CXA 1_16_Turbo Oil Drain | 2025-01-29. Other. CX Advocate for turbo oil drain cracking |
| CXA 1_16_NOx | 2025-01-29. Other. CX Advocate for NOx conversion low faults |
| CXA 1_16_GATS2.4 | 2025-01-29. Other. CX Advocate for GATS2.4 being expanding to DD15 |
| CXA 1_16_DD13 Altitude | 2025-01-29. Other. CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault. |
| CXA 1_16_CARB Truck Chec | 2025-01-29. Other. CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check. |