The primary display unit (PDU) shows messages and warnings of importance to the operator. These messages and warnings are located within the normal line of sight on the right-hand cab cornerpost to make intermittent visual inspection convenient.
John Deere PDU fault codes / John Deere PDU diagnostic trouble codes
NOTE:This page only indicates the meaning of the fault codes. For complete troubleshooting information, see the technical manuals.
PDU 000628.12 (PDU 628.12)— PDU Programming
Code Caused By: Corner Post Display Unit (PDU) is currently in programming mode.
Control Unit Response: Function Disabled (OFF)
PDU 000629.09 (PDU 629.09)— PDU Display Message Missing
Code Caused By: Corner Post Display Unit (PDU) software failed to execute in allotted time.
Control Unit Response: None
PDU 000629.12 (PDU 629.12)— PDU Control Unit Fault
Code Caused By: Corner Post Display Unit (PDU) software failed to execute in allotted time.
Control Unit Response: Function Disabled (OFF)
PDU 000630.02 (PDU 630.02)— PDU Calibration Fault/Data Invalid
Code Caused By: Corner Post Display Unit (PDU) memory is invalid.
Control Unit Response: Function Disabled (OFF)
PDU 002000.09 (PDU 2000.09)— ECU Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Engine Control Unit (ECU).
Control Unit Response: None
PDU 002003.09 (PDU 2003.09)— PTI or PTP Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the AutoPowr™/IVT™ (PTI) or PowerShift (PTP) control unit.
Control Unit Response: None
PDU 002005.09 (PDU 2005.09)— ACU Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Armrest Control Unit (ACU).
Control Unit Response: None
PDU 002011.09 (PDU 2011.09)— BRC Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Braking Control Unit (BRC).
Control Unit Response: None
PDU 002019.09 (PDU 2019.09)— SSU Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Steering Control Unit (SSU).
Control Unit Response: None
PDU 002020.09 (PDU 2020.09)— SFA Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Suspension Control Unit (SFA).
Control Unit Response: None
PDU 002025.09 (PDU 2025.09)— ATC Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Automatic Temperature Control Unit (ATC).
Control Unit Response: None
PDU 002030.09 (PDU 2030.09)— VLC Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Vehicle Load Center Control Unit (VLC).
Control Unit Response: None
PDU 002034.09 (PDU 2034.09)— SCC Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Selective Control Valve Control Unit (SCC).
Control Unit Response: None
PDU 002035.09 (PDU 2035.09)— HCC Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Hitch Control Unit (HCC).
Control Unit Response: None
PDU 002038.09 (PDU 2038.09)— VTI Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the CommandCenter™ Control Unit (VTI).
Control Unit Response: None
PDU 002040.09 (PDU 2040.09)— PDU Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Corner Post Display Unit (PDU).
Control Unit Response: None
PDU 002049.09 (PDU 2049.09)— CAB Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Cab Control Unit (CAB).
Control Unit Response: None
PDU 002050.09 (PDU 2050.09)— CLC Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Cab Load Center Control Unit (CLC).
Control Unit Response: None
PDU 002054.09 (PDU 2054.09)— ASU Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Active Seat Control Unit (ASU).
Control Unit Response: None
PDU 002071.09 (PDU 2071.09)— CCU Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Chassis Control Unit (CCU).
Control Unit Response: None
PDU 002139.09 (PDU 2139.09)— CSM Message Missing
Code Caused By: Corner Post Display Unit (PDU) is not receiving any messages from the Cab Switch Module (CSM).
Control Unit Response: None
PDU 002240.09 (PDU 2240.09)— TEC Message Missing
Code Caused By: Corner Post Display Unit (PDU) not receiving required messages from the Tractor Equipment Control Unit (TEC).
Control Unit Response: None
PDU 523791.14 — Engine Starting Aid Countdown
Code Caused By: Engine is too cold to start and is currently performing preheat function.
Engine is currently too cold to start and is firing engine preheater in preparation for starting. Engine may be safely
started at conclusion of countdown. This is not an error, so no diagnosis is needed.