Question

this type of code is stored in kam and can be erased by a technician using a scan tool. a) key on, engine off (koeo) b) continuous memory dtc (cmdtc) c) key on, engine run (koer) d) on - demand dtc

Explanation:

Continuous Memory DTCs (CMDTOC) are stored in Keep-Alive Memory (KAM) in automotive systems, and they can be cleared by a technician using a scan tool. The other options refer to test modes (KOEO, KOER) or DTCs that are generated on-demand, not stored persistently in KAM for erasure via scan tool.

Answer:

B) Continuous Memory DTC (CMDTOC)