SPN 2623/FMI 4 This fault is typically the PWM Accelerator Pedal J1939 GAS2 signal is missing.‪ Check as follows:‪ Check for multiple codes: If CPC…

SPN 2623/FMI 14 This fault is typically the PWM Accelerator Pedal J1939 GAS1 and GAS2 signals are missing..‪ Check as follows:‪ Check for multiple codes:…