PTA codes John Deere Error - John Deere News & Innovations: Equipment, Technology, Solutions

PTA codes

John Deere PTA Fault Codes / John Deere PTA Error Codes

John Deere PTA fault codes and diagnostic trouble codes (DTCs) are essential for identifying and resolving issues within the AutoPowr™/IVT™ transmission systems. These codes provide valuable information to ensure the optimal performance and reliability of John Deere vehicles. The PTA control software is central to managing the transmission and receives signals from various sensors and switches. Below is a detailed overview of the components and signals involved, as well as the common fault codes you might encounter.

Key Components and Sensors in AutoPowr™/IVT™ Transmission:

Transmission Oil Temperature Sensor: Monitors the temperature of the transmission oil.
Sensor for Transmission Input Speed: Measures the input speed of the transmission.
Hydrostatic Speed Sensor: Tracks the speed of the hydrostatic unit.
Sensor for Transmission Output Speed: Measures the output speed of the transmission.
Pressure Switch for Filter By-Pass Valve: Ensures proper oil filtration by monitoring the bypass valve.
Sensor for Lube Oil Pressure: Monitors the pressure of the lubrication oil.
Transmission Enable Relay: Controls the enablement of the transmission.
Clutch Pedal Switch: Detects the position of the clutch pedal.
Transmission Oil Filter Pressure Switch: Monitors the pressure within the transmission oil filter.
Transmission Oil Pressure Switch: Tracks the overall oil pressure in the transmission.

Signals Received via Vehicle CAN Bus:

Status of Park Lock
Current Engine Load
Engine Temperature
Travel Speed
Speed Command
Direction Command

Controlled Components by PTA Control Software:

Park Lock Solenoid Valve 1
Proportional Solenoid Valve for Forward Clutch
Proportional Solenoid Valve for Reverse Clutch
Clutch 1 Solenoid Valve
Clutch 2 Solenoid Valve
Clutch 3 Solenoid Valve
Clutch 4 Solenoid Valve

Common John Deere PTA Diagnostic Trouble Codes (DTCs):

PTA 524227.12: Indicates the filter bypass valve is open when it should be closed, often under high engine speeds and oil temperatures.
PTA 524233.03: High voltage at the hydrostatic speed sensor channel 1, indicating a possible open circuit or short to a positive lead.
PTA 524233.04: Low voltage at the hydrostatic speed sensor channel 1, suggesting a short to ground.
PTA 524233.08: A frequency discrepancy between the two hydrostatic speed sensor channels, where channel 1 shows a lower speed than channel 2.
PTA 600006.31: An unknown diagnostic trouble code generated by the PTA control software, requiring software updates or further technical support to resolve.

Importance of Addressing PTA Fault Codes:

John Deere PTA fault codes are crucial for maintaining the functionality of the powertrain system. These codes help identify issues within the primary module responsible for drivetrain functions such as engine management and transmission control. Addressing these codes promptly ensures the vehicle’s performance and reliability, preventing potential operational disruptions.

Understanding and resolving John Deere PTA diagnostic trouble codes is vital for the effective management of AutoPowr™/IVT™ transmission systems. Regular monitoring and maintenance of sensors, switches, and control software can prevent significant issues and ensure the longevity and reliability of John Deere vehicles. Keep this guide handy for quick reference to common PTA fault codes and their implications.

PTA 600006.31 – Diagnostic Trouble Code Not Known
John Deere PTA codes
This diagnostic trouble code is generated when the PTA control software generates a diagnostic trouble code that is unknown to other control software. This general diagnostic trouble code enables the CommandCenter to display information relating to this unknown PTA diagnostic…
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PTA 524233.08 – Hydrostatic Speed Sensor, Speed at Channel 1 Lower Than at Channel 2
John Deere PTA codes
This diagnostic trouble code is generated when the PTA control software detects a difference in frequency between the two sensor output signals for hydrostatic speed, indicating that the speed at channel 1 is lower than at channel 2.
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PTA 524233.04 – Hydrostatic Speed Sensor, Voltage in Channel 1 Too Low
John Deere PTA codes
This diagnostic trouble code is generated when the PTA control software detects that the voltage at channel 1 of the hydrostatic speed sensor is too low. This indicates a short to ground in the sensor circuit.
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PTA 524233.03 – Hydrostatic Speed Sensor, Voltage in Channel 1 Too High
John Deere PTA codes
This diagnostic trouble code is generated when the PTA control software detects that the voltage at channel 1 of the hydrostatic speed sensor is too high. This indicates a supply voltage problem or that the sensor circuit is open or…
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PTA 524227.12 – Pressure Switch for Filter Bypass Valve Closed by Mistake
John Deere PTA codes
This diagnostic trouble code is generated when the filter bypass valve (for cold-weather starting) is open while the transmission input speed (engine speed) is above 1400 rpm and transmission oil temperature exceeds +30°C (86°F). If diagnostic trouble code PTA 000127.01…
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PTA 524227.07 – Pressure Switch for Filter Bypass Valve Open by Mistake
John Deere PTA codes
This diagnostic trouble code is generated when the filter bypass valve (for cold-weather starting) is closed under the following conditions: Transmission input speed (engine speed) is above 1400 rpm and transmission oil temperature is below -5°C (23°F); engine is off.…
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PTA 524218.31 – Power Zero, Malfunction
John Deere PTA codes
This diagnostic trouble code is generated when the PTA control software receives the power zero signal from the TIA control software via the CAN BUS for more than 5 minutes.
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PTA 524218.12 – Park Lock, Fault
John Deere PTA codes
This diagnostic trouble code is generated when the PTA control software detects that the park lock is engaged, even though Power Zero is commanded by the TIA control software at the same time.
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PTA 524183.19 – Incorrect CAN BUS Message, Change of Direction of Travel from TIA Control Software
John Deere PTA codes
This diagnostic trouble code is generated when the TIA control software is unable to determine the value for changing direction of travel (PSS) and cannot provide the CAN BUS with relevant data. A transmitted replacement value generates this diagnostic trouble…
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PTA 524182.19 – Incorrect CAN BUS Message, Transmission Shift Monitor from TIA Control Software
John Deere PTA codes
This diagnostic trouble code is generated when the TIA control software is unable to determine the value for transmission shift monitor (RSL) and cannot provide the CAN BUS with relevant data. A transmitted replacement value generates this diagnostic trouble code…
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PTA 524181.19 – Incorrect CAN BUS Message, Desired Acceleration from TIA Control Software
John Deere PTA codes
This diagnostic trouble code is generated when the TIA control software is unable to determine the desired value for acceleration when changing direction of travel (DTOAPR) and cannot provide the CAN BUS with relevant data. A transmitted replacement value generates…
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John Deere News & Innovations: Equipment, Technology, Solutions

PTA codes

John Deere PTA Fault Codes / John Deere PTA Error Codes

Key Components and Sensors in AutoPowr™/IVT™ Transmission:

Signals Received via Vehicle CAN Bus:

Controlled Components by PTA Control Software:

Common John Deere PTA Diagnostic Trouble Codes (DTCs):

Importance of Addressing PTA Fault Codes:

PTA 600006.31 – Diagnostic Trouble Code Not Known

PTA 524233.08 – Hydrostatic Speed Sensor, Speed at Channel 1 Lower Than at Channel 2

PTA 524233.04 – Hydrostatic Speed Sensor, Voltage in Channel 1 Too Low

PTA 524233.03 – Hydrostatic Speed Sensor, Voltage in Channel 1 Too High

PTA 524227.12 – Pressure Switch for Filter Bypass Valve Closed by Mistake

PTA 524227.07 – Pressure Switch for Filter Bypass Valve Open by Mistake

PTA 524218.31 – Power Zero, Malfunction

PTA 524218.12 – Park Lock, Fault

PTA 524183.19 – Incorrect CAN BUS Message, Change of Direction of Travel from TIA Control Software

PTA 524182.19 – Incorrect CAN BUS Message, Transmission Shift Monitor from TIA Control Software

PTA 524181.19 – Incorrect CAN BUS Message, Desired Acceleration from TIA Control Software

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