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Pinpoint Test M : DTC U1000:00 - RFA: Notes

Diagnostic Overview 

DTC U1000:00 - RFA 

Normal Operation and Fault Conditions 

The RFA controls the output of several vehicle systems by means of solid state drivers. When an overload occurs on any of these drivers, a DTC sets. The RFA also tracks the number of repetitive faults on each of these circuits. The module compares this number of overloads to 3 progressive thresholds established for each circuit. At the each threshold, DTC U1000:00 sets along with the DTC associated with the affected circuit.

If the third threshold is exceeded, U3000:49 sets. U3000:49 cannot be cleared and the RFA will need to be replaced after the circuit fault is repaired. For more information on FET protection, refer to Module Controlled Functions .

DTC Description Fault Trigger Conditions
U1000:00 Solid State Driver Protection Activated-Driver Disabled: No Sub Type Information Sets when the RFA has disabled a circuit due to a repetitive circuit overload and a progressive threshold is met.
U3000:49 Control Module: Internal Electronic Failure Sets when the RFA has disabled a circuit due to a repetitive circuit overload and a progressive threshold is met. This DTC cannot be cleared.
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