OBD Guide
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P1DA0

Incorrect Gear Ratio Clutch 'A' 'B' Or 'C' Defective

P1DA0 is an OBD-II diagnostic trouble code meaning: Incorrect Gear Ratio Clutch 'A' 'B' Or 'C' Defective . Common causes: clutch wear, low transmission fluid level. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–556 (est.)

Symptoms

  • Incorrect gear shifting
  • Jerks when switching
  • Clutch slipping
  • Switching to emergency mode
  • Check Engine Light Illuminates

Causes

  • Clutch wear
  • Low transmission fluid level
  • Transmission fluid contamination
  • Hydraulic unit malfunction
  • Problems with shaft speed sensors

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose clutch condition
  3. Check the operation of the hydraulic unit
  4. Scan shaft speed sensors
  5. If necessary, replace worn clutch components

Related codes

P0730P0720P2714

FAQ

What does the P1DA0 code mean?

P1DA0 is an OBD-II diagnostic trouble code that indicates: Incorrect Gear Ratio Clutch 'A' 'B' Or 'C' Defective

What causes a P1DA0 error code?

The most common causes of P1DA0 include: Clutch wear; Low transmission fluid level; Transmission fluid contamination; Hydraulic unit malfunction.

How do I fix a P1DA0 diagnostic trouble code?

To fix P1DA0: Check the level and condition of the transmission fluid. Diagnose clutch condition. Check the operation of the hydraulic unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1DA0?

Do not drive — repair immediately

How much does it cost to fix P1DA0?

The estimated repair cost for P1DA0 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

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