What does it mean when codes are pending?
Pending codes are codes that prep themselves when they determine a fault that engine cycle. Pending codes can be just a quick flash with no symptoms or light. The stored codes are there for the vehicle to know which code to display in the event of a malfunction.
What’s the difference between pending and stored codes?
Determining the difference between stored and pending codes isn’t hard. A basic automotive knowledge is all that is needed. For a quick answer though, the difference between stored and pending codes is simple. Stored codes are put in place from the manufacturer to signal the computer when a common fault is detected.
When does a fault code reader show a pending code?
When reading codes from your vehicle the fault code reader may show them as pending codes or normal Diagnostic Trouble Codes (DTC). Pending codes (also known as continuous monitor codes) will be registered when an intermittent fault occurs.
When does a pending code get erased from memory?
Pending codes (also known as continuous monitor codes) will be registered when an intermittent fault occurs. If that fault does not happen again after x number of start/stop cycles, the ECU will erase the code from memory.
When does a pending code become a DTC?
Pending codes (also known as continuous monitor codes) will be registered when an intermittent fault occurs. If that fault does not happen again after x number of start/stop cycles, the ECU will erase the code from memory. If the fault is persistent it becomes a DTC.
Why is there no pending code on my car?
The end result is the car surges and miss fires for a second or two which causes a pending code. You normally won’t notice a warning indicator or light come on. This is because since it happened just once and so briefly, the computer doesn’t detect any problems and therefore displays no codes.
When do you erase a pending fault code?
If you have read pending codes it is advisable to check the codes again after a week or so. If there is no apparent problem with the vehicle it is safe to erase the codes too and check back. But always make a note of any fault codes with the date and mileage of a vehicle. If the codes read include a DTC then you need to investigate further.
Pending codes (also known as continuous monitor codes) will be registered when an intermittent fault occurs. If that fault does not happen again after x number of start/stop cycles, the ECU will erase the code from memory.
What is an example of a pending code?
Typically pending codes are not to severe but you shouldn’t ignore them either. Never assume a repair, always troubleshoot your codes with a diagnostic tool.As an example, you might be driving down the road and you hit a bump which causes a spark plug to move or a wire.