Got good DC otherwise gas valve solenoids would NOT be energized/valve opening
NO Spark........
You have either:
Bad ground
Bad spark electrode
Bad electrode wire connections
Bad circuit board
12V DC Circuit
Inspect electrode for crack in porcelain, proper gap (1/8”)or carbon build up on tip, ensure that spark is present at electrode tip, inspect burner for debris, inspect electrode wire for short (including against the back side fo the appliance door when in closed position), check electrode wire connections...clean/tight
Replace electrode.....otherwise circuit board is faulty
Electrode part number --- Suburban 232258
Circuit board part number..Suburban 520814
