Standard Diagnostic Trouble Codes reference book.
A Diagnostic Trouble Code is set in a vehice's onboard computer when a fault occurs in any monitored system. The code number corresponds to the type of fault, and can be used to diagnose the problem.
What's new (v1.3)
This update from Apple will improve the functionality of this app. No new features are included.
support iOS9
(database structure changed, please reinstall app)