ECP (Electronic Controlled Pneumatics) Ground Noise/False Codes
Western Star technical service bulletin SS704-WST2021 for 2021-2022 Western Star 49X.
- Bulletin number
- SS704-WST2021
- Component
- Electrical system
- Summary
- ECP (Electronic Controlled Pneumatics) Ground Noise/False Codes. Internal board of ECP supplied by manufacturer. Audible chirping noise through speakers, leaking air through ECP, continual error codes with no problem found.
Vehicles covered
- Western Star 49X 2021-2022 20212022
VIN decoder
See the problems and recalls for an exact car
Buying a used Western Star 49X?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history