Fault Codes

IMPORTANT: To determine if fault code conditions are still active, manually clear all fault codes and see if any fault codes appear.

Stored fault codes indicate that a problem has been detected. Stored fault codes will remain in memory until they are cleared by operator. It is possible that fault condition is no longer active.

OUO6050,0001F85 -19-18OCT06-1/3

Fault Code Description Problem Solution
523319.18 Low switched voltage TCM detected low voltage on key switched power supply. Check battery voltage, check grounds, check harness. Contact dealer if problem persists.
523792.18 Low unswitched voltage TCM has detected low voltage on unswitched battery power supply. Check battery voltage, check grounds, check harness. Contact dealer if problem persists.
523792.1 No unswitched voltage TCM has detected no voltage on unswitched battery power supply. TCM is unable to save setup changes when key is turned off. Check battery voltage, check grounds, check fuses. Contact your John Deere dealer.
2028.12 No StarFire communication The TCM has lost communication with receiver Check TCM harness to ensure proper connection between receiver and TCM. Check CAN voltages. Contact your John Deere dealer.
523773.3 StarFire CAN voltage out of range StarFire CAN High signal voltage is out of range high. Check TCM harness to ensure proper connection between receiver and TCM. Check CAN STARFIRE voltages. Contact your John Deere dealer.
523773.4 StarFire CAN voltage out of range StarFire CAN High signal voltage is out of range low. Check TCM harness to ensure proper connection between Receiver and TCM. Check CAN voltages. Contact your John Deere dealer.
523774.3 StarFire CAN voltage out of range StarFire CAN Low signal voltage is out of range high. Check TCM harness to ensure proper connection between receiver and TCM. Check CAN voltages. Contact dealer.
523774.4 StarFire CAN voltage out of range StarFire CAN Low signal voltage is out of range low. Check TCM harness to ensure proper connection between receiver and TCM. Check CAN voltage. Contact your John Deere dealer.
956.16 Roll Sensor out of range Internal Roll Sensor is out of normal operating range. TCM cannot correct position for roll angles. Contact your John Deere dealer.
2146.14 Temp Sensor out of range Internal Temperature Sensor is out of normal operating range. Contact your John Deere dealer.
523309.7 Yaw Sensor not responding Internal Yaw Sensor is not responding. TCM cannot compensate for terrain changes. Contact your John Deere dealer.
523309.16 Yaw Sensor out of range Internal Yaw Sensor is out of normal operating range. TCM cannot compensate for terrain changes. Contact your John Deere dealer.
523310.2 Memory Error An internal memory error has occurred. Contact your John Deere dealer.

 

OUO6050,0001F85 -19-18OCT06-2/3

523442.31 No Fore/Aft setting Fore/Aft setting has not been entered for this vehicle. Go to SETUP - TCM screen. See FORE/AFT in TCM or StarFire iTC section..
523441.31 No StarFire Height setting The StarFire Height setting has not been entered for this vehicle. Go to SETUP - TCM screen. See HEIGHT in TCM or StarFire iTC section..
2146.13 TCM not calibrated TCM has not been calibrated for this vehicle. Please go to SETUP - TCM screen to calibrate. See CALIBRATE in TCM or StarFire iTC section..
523572.31 Unsafe Shutdown-parameters not stored TCM was unable to save setup changes when key was turned off. Must have unswitched battery voltage after key off to save changes. Check battery voltage at TCM with key off, check harness. Contact John Deere dealer.

 

OUO6050,0001F85 -19-18OCT06-3/3