DIAGNOSTIC TROUBLE CODES
DIAGNOSTIC TROUBLE CODES
DTC TAB
DTCs can be viewed and cleared from any session menu using the DTC tab.
1. Diagnostic Trouble Code (DTC)
column (pre-2010)
2. Suspect Parameter Number (SPN)
column
3. Failure Mode Indicator (FMI)
column
4. Type column (Active / Previously
Active / Pending)
5. Clear DTCs button
6. Refresh DTC/Vehicle Events
button
Figure 33
DTC Tab
DTC IDENTIFICATION
DTC identification is accomplished using two fault code identifiers. These two identifiers, known as the
SPN and the FMI, are displayed in the DTC Window.
Identifier Type
Description
Suspect Parameter Number (SPN)
The SPN identifies the individual component causing the DTC.
Failure Mode Indicator (FMI)
The FMI identifies the fault or condition effecting the individual
component.
Diagnostic Trouble Code (DTC)
The DTC is a 3-digit or 4-digit number used to identify DTCs. This
3-digit or 4-digit number is only used on pre-2010 engines.
NOTE – 2010 model year vehicles no longer utilize DTC identification by number. DTCs are now identified
using the SPN and FMI only.
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Summary of Contents for NavKal
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