OBD Guide

P1DA3

Incorrect Gear Ratio Clutch 'B' 'D' Or 'E' Defective

P1DA3 is an OBD-II diagnostic trouble code meaning: Incorrect Gear Ratio Clutch 'B' 'D' Or 'E' Defective . Common causes: worn or damaged clutch friction discs, low or contaminated transmission fluid. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • Erratic gear shifting
  • Dips during acceleration
  • Delays when shifting gears
  • Switching to emergency mode of the gearbox
  • Check Engine Light Illuminates

Causes

  • Worn or damaged clutch friction discs
  • Low or contaminated transmission fluid
  • Malfunction of clutch control solenoids
  • Transmission hydraulic system problems
  • Malfunction of shaft speed sensors

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the operation of clutch control solenoids
  3. Check the pressure in the hydraulic system
  4. Scan the transmission for additional errors
  5. If necessary, replace worn friction discs

Related codes

FAQ

What does the P1DA3 code mean?

P1DA3 is an OBD-II diagnostic trouble code that indicates: Incorrect Gear Ratio Clutch 'B' 'D' Or 'E' Defective

What causes a P1DA3 error code?

The most common causes of P1DA3 include: Worn or damaged clutch friction discs; Low or contaminated transmission fluid; Malfunction of clutch control solenoids; Transmission hydraulic system problems.

How do I fix a P1DA3 diagnostic trouble code?

To fix P1DA3: Check the level and condition of the transmission fluid. Diagnose the operation of clutch control solenoids. Check the pressure in the hydraulic system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1DA3?

Do not drive — repair immediately

How much does it cost to fix P1DA3?

The estimated repair cost for P1DA3 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat