OBD Guide

P073E

Unable to Engage Reverse

P073E is an OBD-II diagnostic trouble code meaning: Unable to Engage Reverse. Common causes: low or contaminated transmission fluid, shift solenoid malfunction. Estimated repair cost: $56โ€“278.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“278 (est.)

Symptoms

  • Reverse gear does not engage
  • The car goes into emergency mode
  • Check Engine light comes on
  • Possible jerking when trying to engage reverse
  • Limiting available gears

Causes

  • Low or contaminated transmission fluid
  • Shift solenoid malfunction
  • Transmission hydraulic system problems
  • Mechanical damage in the gearbox
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the operation of gear shift solenoids
  3. Check the pressure in the hydraulic system
  4. Scan the transmission control unit for errors
  5. If necessary, replace damaged gearbox components

Related codes

Error P073E by Vehicle Brand

FAQ

What does the P073E code mean?

P073E is an OBD-II diagnostic trouble code that indicates: Unable to Engage Reverse

What causes a P073E error code?

The most common causes of P073E include: Low or contaminated transmission fluid; Shift solenoid malfunction; Transmission hydraulic system problems; Mechanical damage in the gearbox.

How do I fix a P073E diagnostic trouble code?

To fix P073E: Check the level and condition of the transmission fluid. Diagnose the operation of gear shift solenoids. Check the pressure in the hydraulic system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P073E?

Do not drive โ€” repair immediately

How much does it cost to fix P073E?

The estimated repair cost for P073E is $56โ€“278. Actual cost depends on your vehicle, location, and labor rates.

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