![]() If you know what to look for, reading or interpreting the freeze frame data will give you a better idea on what happened when the DTC occurred. Freeze Frame data takes a snapshot of your engine data at the time of trouble… sorta like a crime scene!īut the freeze frame data will indicate what the other sensors or components are doing when the ECU recorded the fault code. Consider this as the victim in the crime. The check engine light will illuminate due to the presence of the fault code. Think of it as the crime scene in those police TV programs. ![]() The freeze frame displays the PID or parameter ID values when the diagnostic trouble code (DTC) was triggered. This will hold especially true if you know nothing about cars.īut the OBD2 freeze frame data is more than just a list. Unless you’re an expert mechanic, the OBD2 freeze frame data might look like a meaningless set of symbols, numbers, and acronyms.
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