Service and Repair Manual December 2019Control System Fault Codes154 SX™-150 Part No. 1268496GTError Source Error Type Effects Recovery ActionsFront Axle Angle Sensor Value at 5.0 V Primary up and Extend disabled, axleextend and retract LED flashCheck for an open ground circuitgoing to the sensorValue Too High Primary up and Extend disabled, axleextend and retract LED flashSensor is out of range. Check sensorand actuating pin for properinstallation. Repair or replace sensorand recalibrate.Value Too LowValue at 0 V Primary up and Extend disabled, axleextend and retract LED flashCheck for 5.0 VDC at the sensor.Check for damaged wiring going tothe sensor. Check that the % .0 VDCLED is lit on the TCON board. Repairor replace as necessaryNot Calibrated Primary up only active from TCON,activate alarmPerform calibration procedureJust calibrated Initiate one second beep of audiblewarning deviceSelf-clearing (transient)Rear Axle Angle Sensor Value at 5.0 V Primary up and Extend disabled, axleextend and retract LED flashCheck for an open ground circuitgoing to the sensorValue Too High Primary up and Extend disabled, axleextend and retract LED flashSensor is out of range. Check sensorand actuating pin for properinstallation. Repair or replace sensorand recalibrate.Value Too LowValue at 0 V Primary up and Extend disabled, axleextend and retract LED flashCheck for 5.0 VDC at the sensor.Check for damaged wiring going tothe sensor. Check that the % .0 VDCLED is lit on the TCON board. Repairor replace as necessaryNot Calibrated Primary up only active from TCON,activate alarmPerform calibration procedureJust calibrated Initiate one second beep of audiblewarning deviceSelf-clearing (transient)