John Deere PTP codes
This error code is stored when PARK is commanded but the park brake is released because the wheel speed is greater than 4 km/h (2.48 mph). This condition indicates an attempt to engage the park brake while the vehicle is…
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PTP codes
Comprehensive Guide to John Deere PTP Error Codes
Understanding John Deere PTP fault codes is crucial for maintaining the performance and reliability of John Deere vehicles. These codes, also known as John Deere PTP diagnostic trouble codes or John Deere PTP error codes, are generated by the PowerShift Transmission Control Unit (PTP), which is integrated with the Chassis Control Unit (CCU) and the Vehicle Load Center (VLC) control unit. The PTP unit monitors inputs from various sensors and control units to execute appropriate direction and speed functions via transmission components.
Common John Deere PTP Error Codes
- PTP 000084.07 – Vehicle Motion During Calibration
- Description: Detected wheel speed during transmission calibration.
- Occurrence: When the vehicle is in motion during calibration.
- Resolution: Ensure the vehicle is stationary before calibration. Inspect wheel speed sensors.
- PTP 000123.03 – Clutch Pressure Sensor/Switch Circuit Voltage High
- Description: Clutch pressure sensor voltage exceeds 4.9 V.
- Occurrence: Faulty sensor or short to the power supply.
- Resolution: Inspect and repair sensor wiring, check power supply stability.
- PTP 000127.01 – Transmission Oil Pressure Very Low
- Description: Transmission oil pressure below acceptable level.
- Occurrence: Hydraulic oil leaks or low oil level.
- Resolution: Inspect for leaks, check oil level, replace oil filter if necessary.
- PTP 000168.04 – PTP Unswitched Supply Voltage Low
- Description: Supply voltage to the PTP control unit drops below 10.5 V.
- Occurrence: Issues with the power supply or electrical connections.
- Resolution: Inspect electrical connections, ensure the battery is charged, check alternator output.
- PTP 524228.11 – Park Sump Block Valve Fault
- Description: Park brake circuit fails to hold pressure during self-check.
- Occurrence: Faulty park sump block solenoid or leaking park brake piston seals.
- Resolution: Inspect and replace faulty solenoid, check for leaks in the park brake system.
Where PTP Error Codes Occur
PTP error codes typically occur in systems monitored by the PowerShift Transmission Control Unit, which includes direct inputs from sensors like the Hydraulic Oil Temperature Sensor, Fuel Level Sensor, and Park Brake Pressure Sensor. The PTP also monitors indirect inputs from other control units via CAN Bus messages and controls various solenoids such as the B Clutch (BC) solenoid, Reverse Clutch (CR) solenoid, and Park Brake Supply Solenoid.
Regular maintenance and prompt attention to these error codes can prevent significant downtime and ensure the smooth operation of John Deere vehicles. Understanding and resolving these PTP fault codes is essential for optimal vehicle performance.
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John Deere fault codes:
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