Revision for Service Bulletin for Western Star 4700/5700 Pana-Pacific 540 Radio Controls Not Operating...
Western Star technical service bulletin SBW54-074REV for 2020 Western Star 4700 and 2020 Western Star 5700.
- Bulletin number
- SBW54-074REV
- Component
- Equipment
- Summary
- Revision for Service Bulletin for Western Star 4700/5700 Pana-Pacific 540 Radio Controls Not Operating Normally. This bulletin replaces the version dated 03/25/2020. Pana-Pacific DEA540 radios (A22-74389-000, A22-77161-000) may cease to respond to volume control settings from the steering wheel switches or the controls on the radio faceplate, resulting in erratic volume control. This bulletin replaces the version dated March 26, 2020.The procedure to check the current software version of the radio is updated.
Vehicles covered
- Western Star 4700 2020 2020
- Western Star 5700 2020 2020
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