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.

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.

OUO6075,0000B43-19-20070803