DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC U2103 Fewer Controllers On Than Programmed.

When more than one Fewer Controllers On than Programmed DTC is set in either one module or in several modules, diagnose the DTCs in the following order:

1. Current DTCs before history DTCs unless told otherwise in the diagnostic table.
2. The DTC which is reported the most times.

This vehicle has DTCs which include DTC Symptoms. For more information on DTC Symptoms, refer to DTC Symptom Description in Vehicle DTC Information.