What are inactive fault codes?
Inactive fault means that this is a past issue. The inactive fault codes were once active at some point in time but now they are fixed, or they fixed themselves. The ECU goes through a verification check to see if the fault code has been fixed or not at each time the truck is powered on.
What does a trouble code indicate?
DTC stands for Diagnostic Trouble Codes. A DTC code is a series of diagnostic trouble codes used by a vehicle’s onboard diagnostics (OBD) system to alert you when a vehicle experiences a malfunction. Different DTC codes represent specific problems in your vehicle.
What are the different types of fault codes?
Standard or generic fault codes are a list of codes common to all manufacturers. This list of faults, also called DTC (for Data Trouble Code) has been defined so that any diagnostic device can read and decode them. They have a standard format as shown below:
What happens when a fault code is not cleared?
Refer to the appropriate fault code troubleshooting tree. The ECM will turn off the red STOP ENGINE lamp immediately after the diagnostic runs and passes. 3714 – Engine Protection Torque Derate- Condition Exists Conditions for Clearing the Fault Code This fault code will go inactive once all other active fault codes have been addressed.
When does a Cummins fault code go inactive?
3712 – Aftertreatment SCR Operator Inducement- Data Valid but Above Normal Operational Range- Most Severe Level Conditions for Clearing the Fault Code This fault code will go inactive once all other active fault codes have been addressed. Refer to the appropriate fault code troubleshooting tree.
What are the fault codes on a Peterbuilt?
I have a peterbuilt with a ISL 9 in it. and it has two fault codes 3712 and 3714 that will not clear. it had inactive codes 3375 and 3543. I replaced the temp sensors in the DPF and the differential p … read more