A software fix for model 520EV that are not equipped with ESP (Stability Control) is now available
Peterbilt technical service bulletin 46-003 for 2021-2024 Peterbilt 520.
- Bulletin number
- 46-003
- Component
- Electronic stability control: automatic (ASC)
- Summary
- A software fix for model 520EV that are not equipped with ESP (Stability Control) is now available. The currently available soft ware, part number:SCM_1p5_BC_R5p00_003, will address issues caused by software version R5.00_002 that affect Peterbilt Model 520EV. The software update will correct the following issues: 1.) Power gauge displays axle RPM instead of power draw, 2.) Air conditioning compressor is inoperative below 10 mph (16 kmh) and over 40 mph (65 kmh), 3.) Low air and low coolant audible alarms (buzzers) are inoperative below 10 mph (16 kmh), and 4.) (520EV Only) Does not charge without ignition in on position.
Vehicles covered
- Peterbilt 520 2021-2024 2021202220232024
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