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SAFETYMAINTENANCE SETUPOPERATION OVERVIEW
Diagnostic Trouble Code
A five digit alphanumeric identifier for a fault condition identified by the OBD II
system� There are three types of Diagnostic Trouble Codes:
1� Pending - When a fault condition is identified
during a Drive Cycle, but does not meet
enough criteria to activate the MIL�
If the fault condition occurs during two
consecutive Drive Cycles, it will turn into a
Stored DTC and the MIL will activate�
2� Stored - A Diagnostic Trouble Code is stored
when a fault condition has occurred that
meets enough criteria to activate the MIL�
3� Permanent - A stored DTC that can only be cleared
by the OBD II system, after repairs are made, and a
set number of Driving Cycles have been completed�
Example Code: P0303 – Cylinder 3 Misfire
Systems
B - Body
C - Chassis
P - Powertrain
U - Network
Code Types*
0 - Generic
1 - Manufacturer Specific
2 - Generic Powertrain/Manufacturer Specific
3 - Generic Powertrain/Manufacturer Specific
Sub-Systems
1 - Fuel and Air Metering
2 - Fuel and Air Metering
(injector circuit malfunction only)
3 - Ignition Malfunction or Engine Misfire
4 - Auxiliary Emission Controls
5 - Vehicle Speed or Idle Controls
6 - Computer Output Circuits
7 - Transmission Controls
8 - Transmission Controls
03 - Cylinder 3
* The Scanner supports the following Code Types:
P 0 3 0 3
Generic (SAE):
B0, B3
C0, C3
P0, P2, P34-P39
U0, U3
Manufacturer Specific:
B1, B2
C1, C2
P1, P30-P33
U1, U2
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