J1939 SPN
SPN 1656
Engine Injector Bank driver 2
What it means
Electrical fault affecting the entire second bank of injectors (e.g., cylinders 4, 5, 6).
Sign in to view symptoms, probable causes, diagnostic steps, severity, and related codes
Electrical fault affecting the entire second bank of injectors (e.g., cylinders 4, 5, 6).