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IVT (PTI) Diagnostic Trouble Codes
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Diagnostic Trouble Code
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Display
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Solution
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PTI 524232.1
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Park system
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Park brake pressure low. Return to Park to attempt vehicle recovery.
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PTI 524232.14
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Park system
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Park brake pressure low in Come Home mode. Stop vehicle. Repeat
operator manual procedure.
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PTI 190.0
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Engine speed high
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Engine speed high. Reduce engine speed.
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PTI 191.0
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Transmission speed high
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Reduce ground speed.
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PTI 628.12
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Transmission system disabled
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Transmission control unit programming in progress.
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PTI 629.12
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Transmission system disabled
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Transmission control unit fault. Restart engine to attempt vehicle
recovery.
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PTI 630.13
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Transmission system not calibrated
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Calibration fault.
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PTI 630.14
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Transmission system not calibrated
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Calibration fault.
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PTI 754.18
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Transmission system
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Transmission clutch pressure low.
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PTI 755.18
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Transmission system
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Transmission clutch pressure low.
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PTI 756.18
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Transmission system
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Transmission clutch pressure low.
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PTI 524226.8
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Transmission system
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Direction sensing fault. Return to Park and restart engine to
attempt vehicle recovery.
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PTI 524228.5
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Park electrical
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Park sump block solenoid circuit fault.
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PTI 524228.11
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Park system
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Park sump block valve fault.
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PTI 524232.16
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Park system
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Park brake pressure high. Return to Park to attempt vehicle
recovery.
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PTI 524232.18
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Transmission oil pressure low
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Park brake pressure low. Check hydraulic oil level.
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PTI 524233.0
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Transmission speed high
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Reduce speed.
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PTI 524242.0
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Transmission oil pressure high
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Oil pressure extremely high. Return to Park to attempt vehicle
recovery.
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PTI 524248.31
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Park system
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Motion detected while vehicle in Park. Stop vehicle and cycle
gear selector.
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PTI 524249.31
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Operator not in seat
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Operator out of seat. Return to seated position.
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PTI 127.1
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Transmission oil pressure low
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Transmission oil pressure extremely low. Return to Park to attempt
vehicle recovery.
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PTI 158.1
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Electrical system voltage low
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Transmission control unit supply voltage low. Return vehicle
to Park. Reduce electrical load or increase engine RPM to attempt
vehicle recovery.
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PTI 168.1
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Electrical system voltage low
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Transmission control unit supply voltage low. Reduce electrical
load or increase engine RPM. Power down and check fuse. Restart engine
to attempt vehicle recovery.
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PTI 177.17
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Transmission oil temperature low
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Return vehicle to Park. Idle engine and allow temperature to
increase.
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PTI 190.2
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Engine speed not compatible
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Return vehicle to Park. Restart engine to attempt vehicle recovery.
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PTI 191.2
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Transmission system inoperable
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Return vehicle to Park. Restart engine to attempt vehicle recovery.
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PTI 619.5
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Park electrical
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Park Brake solenoid circuit current low. Return vehicle to Park.
Restart engine to attempt vehicle recovery.
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PTI 628.2
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Transmission system disabled
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Transmission control unit fault. Restart engine to attempt vehicle
recovery.
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PTI 734.5
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Transmission system inoperable
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Clutch solenoid circuit fault. Restart engine to attempt vehicle
recovery.
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PTI 735.5
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Transmission system inoperable
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Clutch solenoid circuit fault. Restart engine to attempt vehicle
recovery.
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PTI 736.5
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Transmission system inoperable
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Reverse Brake solenoid circuit fault. Restart engine to attempt
vehicle recovery.
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PTI 737.5
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Transmission electrical inoperable
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Clutch solenoid circuit fault. Restart engine to attempt vehicle
recovery.
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PTI 738.5
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Transmission electrical inoperable
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Clutch solenoid circuit fault. Restart engine to attempt vehicle
recovery.
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PTI 739.5
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Transmission electrical inoperable
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Clutch solenoid circuit fault. Restart engine to attempt vehicle
recovery.
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PTI 1079.4
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Transmission electrical
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Transmission control unit sensor supply voltage low. Restart
engine to attempt vehicle recovery.
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PTI 2000.9
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Transmission system
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Engine control unit communication fault.
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PTI 2005.9
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Transmission system
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Armrest control unit communication fault.
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PTI 523911.5
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Transmission electrical
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Transmission hydro control solenoid circuit fault. Restart engine
to attempt vehicle recovery.
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PTI 523911.13
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Transmission system not calibrated
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Transmission system calibration fault.
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PTI 523912.5
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Transmission electrical
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Clutch unit circuit fault. Restart engine to attempt vehicle
recovery.
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PTI523912.13
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Transmission system not calibrated
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Transmission system calibration fault.
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PTI 523913.5
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Transmission electrical
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Loop flush cut off solenoid circuit fault.
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PTI 523917.7
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Transmission system
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Differential speed sensor fault. Restart engine to attempt vehicle
recovery.
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PTI 523917.8
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Transmission system
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C1 clutch failed to engage synchronizer. Restart engine to attempt
vehicle recovery.
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PTI 523917.17
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Transmission system
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Transmission speed low. Restart engine to attempt vehicle recovery.
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PTI 524230.3
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Transmission system
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Transmission clutch pressure high. Return to Park to attempt
vehicle recovery.
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PTI 524230.5
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Transmission electrical inoperable
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Transmission clutch enable solenoid circuit fault. Return to
Park to attempt vehicle recovery.
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PTI 524232.2
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Park electrical
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Park brake pressure sensor fault.
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PTI 524232.4
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Park electrical
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Park brake pressure sensor voltage low.
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PTI 524232.17
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Park system
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Park brake pressure low. Return to Park to attempt vehicle recovery.
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PTI 524233.2
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Transmission speed
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Hydro speed sensor circuit fault.
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PTI 524233.7
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Transmission electrical
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PowerZero fault. Return to Park to attempt vehicle recovery.
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PTI 524233.15
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Transmission system
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Hydro speed fault. Restart engine to attempt vehicle recovery.
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PTI 524233.16
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Transmission system
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Hydro speed fault. Restart engine to attempt vehicle recovery.
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PTI 524233.17
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Transmission system
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Hydro speed fault. Restart engine to attempt vehicle recovery.
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PTI 524234.2
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Transmission electrical
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Clutch enable pressure fault.
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PTI 524234.4
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Transmission electrical
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Clutch enable pressure sensor voltage low.
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PTI 524237.31
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Transmission lever
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Reverser circuit fault. Return to Park to attempt vehicle recovery.
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PTI 524238.31
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Transmission lever not in park
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Return to Park or Neutral to attempt vehicle recovery.
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PTI 524239.31
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Transmission system
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No motion detected. Return to Park to attempt vehicle recovery.
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PTI 524240.14
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Transmission system
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No motion detected with Come Home Mode active. Return to Park
to attempt vehicle recovery.
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PTI 524241.2
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Transmission system
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Hydro speed fault. Return to Park to attempt vehicle recovery.
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PTI 524241.11
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Transmission system
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Clutch engagement fault. Restart engine to attempt vehicle
recovery.
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PTI 524243.31
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Transmission lever
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Armrest control unit communication fault. Return to Park to
attempt vehicle recovery.
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PTI 524244.31
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Transmission lever
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Armrest control unit communication fault. Return to Park to
attempt vehicle recovery.
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PTI 524245.31
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Transmission lever
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Armrest control unit communication fault. Return to Park to
attempt vehicle recovery.
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PTI 524247.2
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Transmission system
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Transmission speed sensor circuit fault.
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PTI 524247.17
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Transmission system
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Carrier speed low at start-up. Restart engine to attempt vehicle
recovery.
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PTI 524250.31
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Park system
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Park brake fault.
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PTI 524253.2
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Transmission system
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Armrest control unit fault. Return to Park to attempt vehicle
recovery.
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PTI 524254.3
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Transmission electrical
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Transmission enable circuit voltage high. Return to Park to
attempt vehicle recovery.
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PTI 524254.4
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Transmission electrical
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Transmission enable circuit voltage low. Return to Park to
attempt vehicle recovery.
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PTI 600006.31
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Transmission system
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Vehicle controls not operating correctly.
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