9
Identifies what section of
the system is
malfunctioning
B
= Body
C
= Chassis
P
= Powertrain
U
= Network
Sub-system
Controls
Code Type
B0, B3
P1, P30-p33
Diagnostic Trouble Codes (DTCs)
DTCs
are created and stored by the vehicles on-board computer in response to a problem
detected.
•
The codes identify a particular problem and indicate where the fault has occurred.
•
The first character identifies which control system set the code.
•
The following four numbers, indicate where the problem originated and the conditions
that caused it to set.
Below is an example to illustrate the structure of the digits:
DTC Example
P
0
2
0
1