U1221 – SCP (J1850) Invalid or Missing Data for Interior Lamp Outage

U1221 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

U1221 Description

SCP (J1850) Invalid or Missing Data for Interior Lamp Outage is the generic description for the U1221 code, but the manufacturer may have a different description. Currently we have no further information abouth the U1221 OBDII code.