OBD Guide

P1D92

Incorrect Gear Ratio Clutch 4 Defective

P1D92 is an OBD-II diagnostic trouble code meaning: Incorrect Gear Ratio Clutch 4 Defective. Common causes: worn 4th gear clutches, low or contaminated transmission fluid. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Problems shifting to 4th gear
  • Jerking or slipping when moving
  • Increased fuel consumption
  • Transmission transition to emergency mode
  • Check Engine Light Illuminates

Causes

  • Worn 4th gear clutches
  • Low or contaminated transmission fluid
  • Shift solenoids malfunction
  • Problems with the hydraulic control unit
  • Mechanical damage in the gearbox

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the operation of switching solenoids
  3. Check the pressure in the hydraulic system
  4. Perform computer diagnostics on the TCM
  5. If necessary, replace friction discs or other worn parts

Related codes

FAQ

What does the P1D92 code mean?

P1D92 is an OBD-II diagnostic trouble code that indicates: Incorrect Gear Ratio Clutch 4 Defective

What causes a P1D92 error code?

The most common causes of P1D92 include: Worn 4th gear clutches; Low or contaminated transmission fluid; Shift solenoids malfunction; Problems with the hydraulic control unit.

How do I fix a P1D92 diagnostic trouble code?

To fix P1D92: Check the level and condition of the transmission fluid. Diagnose the operation of switching solenoids. Check the pressure in the hydraulic system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1D92?

Limited driving only, diagnose soon

How much does it cost to fix P1D92?

The estimated repair cost for P1D92 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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