OBD Guide
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P1814

Torque Converter Overstressed

P1814 is an OBD-II diagnostic trouble code meaning: Torque Converter Overstressed. Common causes: low or contaminated transmission fluid (atf), torque converter malfunction. Estimated repair cost: $56–278.

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

Symptoms

  • Check Engine light comes on
  • Gear shifting problems
  • Reduced engine power
  • Transmission overheating
  • Vibrations when idling

Causes

  • Low or contaminated transmission fluid (ATF)
  • Torque converter malfunction
  • Problems with shift solenoids
  • Mechanical damage in the gearbox
  • Transmission sensor malfunction

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the torque converter
  3. Check operation of shift solenoids
  4. Scan the transmission for other errors
  5. If necessary, replace the torque converter

Related codes

P1810P1811P1813

Error P1814 by Vehicle Brand

BuickCadillacChevroletGMGMCOldsmobileSaturnVolkswagen

FAQ

What does the P1814 code mean?

P1814 is an OBD-II diagnostic trouble code that indicates: Torque Converter Overstressed

What causes a P1814 error code?

The most common causes of P1814 include: Low or contaminated transmission fluid (ATF); Torque converter malfunction; Problems with shift solenoids; Mechanical damage in the gearbox.

How do I fix a P1814 diagnostic trouble code?

To fix P1814: Check the level and condition of the transmission fluid. Diagnose the torque converter. Check operation of shift solenoids. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1814?

Limited driving only, diagnose soon

How much does it cost to fix P1814?

The estimated repair cost for P1814 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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