Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 3528 PID: SPN: 558 FMI: 9 Accelerator Pedal or Lever idle Validation Switch- Abnormal Update Rate
Circuit DescriptionNormally, switches, accelerators, and other components are connected to the engine control module (ECM) directly through individual wires. Multiplexing...