What Are Pending Fault Codes

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. Always get your codes read and verify common fixes here.

What does a pending fault code mean?

Pending codes are caused by intermittent faults or faults that the PCM needs to see happen in two consecutive warm-up cycles to set the code. If the fault does not reappear within 40 warm-up cycles, the code will be cleared from memory.

What do fault codes mean?

Diagnostic trouble codes (or fault codes) are codes that are stored by the on-board computer diagnostic system. These are stored in response to a problem found in the car by the system.