P073F
Unable to Engage Gear 1
P073F is an OBD-II diagnostic trouble code meaning: Unable to Engage Gear 1. Common causes: low or contaminated transmission fluid, shift solenoids malfunction. Estimated repair cost: $56–278.
Symptoms
- The car does not shift into first gear
- The car starts from second gear
- Check Engine light comes on
- Possible jerking when changing gears
- Reduced acceleration dynamics
Causes
- Low or contaminated transmission fluid
- Shift solenoids malfunction
- Problems with the hydraulic block
- Worn or damaged first gear clutches
- Malfunction of speed or position sensors
How to Fix
- Check the level and condition of the transmission fluid
- Carry out diagnostics of switching solenoids
- Check the hydraulic pressure in the system
- Diagnose the condition of mechatronics (if installed)
- If necessary, replace damaged gearbox components
Related codes
Error P073F by Vehicle Brand
FAQ
What does the P073F code mean?
P073F is an OBD-II diagnostic trouble code that indicates: Unable to Engage Gear 1
What causes a P073F error code?
The most common causes of P073F include: Low or contaminated transmission fluid; Shift solenoids malfunction; Problems with the hydraulic block; Worn or damaged first gear clutches.
How do I fix a P073F diagnostic trouble code?
To fix P073F: Check the level and condition of the transmission fluid. Carry out diagnostics of switching solenoids. Check the hydraulic pressure in the system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P073F?
Do not drive — repair immediately
How much does it cost to fix P073F?
The estimated repair cost for P073F is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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