P1D6A JEEP - Gear Shift Actuator 'A' Position Out Of Range

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Transmission Hydraulic System
  • Transmission Mechanical Operation
  • Faulty Tranmission Control Module (TCM)

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1d6a Jeep Description

This diagnostic compares the gear shift actuator 1st-3rd position to minimum and maximum threshold values of allowable mechanical positions. The actuator position is read by a position sensor which provides an output signal with Pulse Width Modulation (PWM) at a fixed frequency and duty cycle proportional to the position of the actuator. The PWM duty cycle electrical range is between 10% and 90%. If the position sensor signal is within this electrical range but it indicates the actuator position is outside of its expected mechanical travel, then the diagnostic will be considered failing.
OBDII Code P1d6a Jeep - Gear Shift Actuator 'A' Position Out Of Range - AutoCodes.com

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P1D6A JEEP Comments

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