Diagnostic Trouble Codes - SSU - Control Unit SSU (If Equipped)

Control Unit SPN FMI Priority Description
SSU 84 09 Service Alert CAN bus message containing ground speed not available.
SSU 168 03 Service Alert SSU power (cc# 927) out of range high.
SSU 168 04 Service Alert SSU power (cc# 927) out of range low.
SSU 628 02 Service Alert Control unit SSU malfunction: EEPROM check sum invalid. Clear code. Replace control unit SSU if condition persists.
SSU 628 12 Service Alert Control unit SSU being reprogrammed (boot block generated). Reprogram control unit SSU. Replace control unit SSU if condition persists.
SSU 629 12 Service Alert Control unit SSU malfunction: watchdog timer reset. Clear code. Replace control unit SSU if condition persists.
SSU 630 13 Service Alert automatic steering system not calibrated.
SSU 767 09 Service Alert CAN Bus message containing backup alarm switch information not available.
SSU 1079 03 Information Steering flowmeter supply (cc# 046) out of range high.
SSU 1079 04 Information Steering flowmeter supply (cc# 046) out of range low.
SSU 1504 09 Service Alert CAN bus message containing seat switch status not available.
SSU 1504 14 Service Alert Operator out of seat during automatic steering operation.
SSU 1638 09 Service Alert CAN bus message containing hydraulic oil temperature not available.
SSU 1807 02 Service Alert Steering input device indicates clockwise rotation when the steering flowmeter indicates counter-clockwise rotation.
SSU 1807 03 Information SSU sensor supply 2 (cc# 053) out of range high.
SSU 1807 04 Information SSU sensor supply 2 (cc# 053) out of range low.
SSU 1807 05 Information SSU sensor supply 2 (cc# 053) current out of range low - less than 4 mA.
SSU 1807 06 Information SSU sensor supply 2 (cc# 053) current out of range high - greater than 20 mA.
SSU 1807 10 Service Alert Steering position sensor 1 signals do not match steering position sensor 2 signals. Clear code. Replace steering encoder if condition persists.
SSU 1807 14 Information Steering encoder 1A (cc# 054) and Steering encoder 1B (cc# 051) indicate different steering rates. Clear code. Replace steering encoder if condition persists.
SSU 522273 00 Service Alert Steering valve signal (cc# 058) out of range high.
SSU 522273 01 Service Alert Steering valve signal (cc# 058) out of range low.
SSU 522331 09 Service Alert CAN Bus message containing multifunction control handle position sensor information not available.
SSU 522387 07 Service Alert Steering valve is commanded to turn combine, but steering flowmeter indicates no oil movement.
SSU 522394 09 Service Alert CAN bus message containing terrain compensation module information not available.
SSU 523651 02 Service Alert Control unit SSU malfunction: stack overflow. Clear code. Replace control unit SSU if condition persists.

 

OUO6075,0000B43 -19-03AUG07-1/2


Control Unit SPN FMI Priority Description
SSU 523698 09 Service Alert CAN bus message containing GREENSTAR display AutoTrac navigation information not available.
SSU 523766 02 Service Alert Invalid AutoTrac activation code. Go to John Deere web site www.stellarsupport.com and provide serial number of control unit SSU and vehicle serial number to obtain valid activation code.
SSU 523767 09 Service Alert CAN bus message containing resume button 2 and resume button 3 status not available.
SSU 523795 02 Service Alert Steering valve orientation incorrect.
SSU 523795 11 Service Alert Steering valve deadbands inconsistent.
SSU 523795 12 Service Alert Steering valve assembly or wiring faulty.
SSU 523795 13 Service Alert Steering valve calibration fault. Recalibrate with rear wheels off the ground. Replace steering valve if condition persists.
SSU 523810 00 Service Alert Steering valve power (cc# 057) out of range high.
SSU 523810 01 Service Alert Steering valve power (cc# 057) out of range low.
SSU 523821 02 Service Alert Machine mismatch (8000/9000, or Tracks/wheels). There is a problem with harness jumper (cc# 049)
SSU 523822 02 Service Alert Steering flowmeter direction does not agree with steering encoder direction.
SSU 523822 05 Service Alert Steering flowmeter supply (cc# 046) current out of range low - less than 20 mA.
SSU 523822 06 Service Alert Steering flowmeter supply (cc# 046) current out of range high - greater than 50 mA.
SSU 523822 07 Service Alert Steering flowmeter range too small during calibration - less than 400 counts at full left or full right turn. Recalibrate. Replace steering flowmeter if condition persists.
SSU 523822 08 Service Alert Steering flowmeter signal 1 (cc# 045) or steering flowmeter signal 2 (cc# 048) missing.
SSU 523822 10 Service Alert Wheel motion detected by steering flowmeter with no Steering input device motion.
SSU 523822 12 Service Alert Steering flowmeter hysteresis excessive during calibration.
SSU 523822 14 Service Alert Steering flowmeter signal 1 (cc# 045) and flowmeter signal 2 (cc# 893) indicate different steering rates.
SSU 523824 03 Information Steering flowmeter signal 2 (cc# 053) out of range high.
SSU 523824 04 Information SSU sensor supply 2 (cc# 053) out of range low.
SSU 523824 05 Information SSU sensor supply 2 (cc# 053) current out of range low - Less than 4 mA.
SSU 523824 06 Information SSU sensor supply 2 (cc# 053) current out of range high - greater than 20 mA.
SSU 523824 10 Information Steering encoder 2 signals do not match steering encoder 1 signals.
SSU 523824 14 Information Steering encoder 2A (cc# 044) and steering encoder 2B (cc# 041) indicate different steering rates.
SSU 524221 09 Service Alert Go to John Deere web site www.stellarsupport.com and select GREENSTAR System update.

 

OUO6075,0000B43 -19-03AUG07-2/2