P1D74
Gear Shift Actuator 'B' Position Out Of Range
P1D74 is an OBD-II diagnostic trouble code meaning: Gear Shift Actuator 'B' Position Out Of Range. Common causes: mechanical failure of the actuator, problems with the actuator electrical circuit. Estimated repair cost: $28–167.
Symptoms
- Incorrect gear shifting
- The car goes into emergency mode
- Mechanical knocking noises may be heard when shifting
- Check Engine light comes on
- Possible loss of power
Causes
- Mechanical failure of the actuator
- Problems with the actuator electrical circuit
- Contamination or wear of switching system components
- Transmission control module (TCM) malfunction
- Actuator control software error
How to Fix
- Check the mechanical condition of the actuator and shift rods
- Diagnose the actuator electrical circuit for opens and short circuits
- Clean and lubricate the mechanical components of the shift system
- Check and update TCM software if necessary
- If necessary, replace faulty system components
Related codes
FAQ
What does the P1D74 code mean?
P1D74 is an OBD-II diagnostic trouble code that indicates: Gear Shift Actuator 'B' Position Out Of Range
What causes a P1D74 error code?
The most common causes of P1D74 include: Mechanical failure of the actuator; Problems with the actuator electrical circuit; Contamination or wear of switching system components; Transmission control module (TCM) malfunction.
How do I fix a P1D74 diagnostic trouble code?
To fix P1D74: Check the mechanical condition of the actuator and shift rods. Diagnose the actuator electrical circuit for opens and short circuits. Clean and lubricate the mechanical components of the shift system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1D74?
Yes, but get it checked soon
How much does it cost to fix P1D74?
The estimated repair cost for P1D74 is $28–167. Actual cost depends on your vehicle, location, and labor rates.
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