Auxiliary Speed Governor
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Overview
CODE | REASON | EFFECT |
Fault Code: 349 PID: P191 FMI: 0/16 LAMP: Yellow SRT: |
A frequency greater than calibrated threshold was detected at the tailshaft governor signal pin of the 31-pin connector. |
Calibration-dependent power and speed derate. |
Auxiliary Speed Governor Circuit
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Circuit Description
The auxiliary speed governor provides a means to govern the engine independent of engine speed. This circuit controls output shafts or other devices downstream of a torque convertor.
The auxiliary speed governor provides a means to control the output shafts or other devices downstream of a torque convertor, independent of engine speed.
Component Location
The auxiliary speed governor location varies with the OEM. Use the OEM troubleshooting and repair manual.
Shop Talk
This fault can only be caused by a high-frequency input into the auxiliary speed governor circuit.
Refer to Troubleshooting Fault Code t05-349.