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On-board diagnostics
/ˌɒnbˈɔːd dˌaɪəɡnˈɒstɪks/
/ˌɑːnbˈoːɹd dˌaɪəɡnˈɑːstɪks/
On-board diagnostics
01
the system in a vehicle that monitors its performance and detects potential issues
Example
Modern cars use on-board diagnostics to check if there are any problems with the engine or other systems.