Thinkcar THINKOBD 500 Manual De Instrucciones página 99

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3. Diagnostic Trouble Codes (DTCs)
OBD II Diagnostic Trouble Codes are codes that are stored by the on-board computer diagnostic
system in response to a problem found in the vehicle. These codes identify a particular problem
area and is intended to provide you with a guide as to where a fault
might be occurring within a vehicle. OBDII Diagnostic Trouble Codes consist of a fi vedigit
alphanumeric code. The first character, a letter, identifi es which control system sets the code.
The second character, a number, 0-3; other three characters, a hex character, 0-9 or A-F provide
additional information on where the DTC originated and the operating conditions that caused it
to set. Here below is an example to illustrate the structure of the digits:
11