OBD Guide

P0218

Transmission Fluid Temperature Sensor A Over Temperature Condition

P0218 is an OBD-II diagnostic trouble code meaning: Transmission Fluid Temperature Sensor A Over Temperature Condition. Common causes: low transmission fluid level, contaminated or old transmission fluid. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Transmission fluid overheating
  • Reduced shift efficiency
  • Check Engine Light Illuminates
  • The transmission may go into emergency mode

Causes

  • Low transmission fluid level
  • Contaminated or old transmission fluid
  • Transmission fluid temperature sensor malfunction
  • Damage to the wiring harness or sensor connector
  • Problems with the transmission cooling system

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Replace fluid if dirty or old
  3. Check the temperature sensor and its circuit for damage
  4. Replace sensor if necessary
  5. Check transmission cooling system

Related codes

Error P0218 by Vehicle Brand

FAQ

What does the P0218 code mean?

P0218 is an OBD-II diagnostic trouble code that indicates: Transmission Fluid Temperature Sensor A Over Temperature Condition

What causes a P0218 error code?

The most common causes of P0218 include: Low transmission fluid level; Contaminated or old transmission fluid; Transmission fluid temperature sensor malfunction; Damage to the wiring harness or sensor connector.

How do I fix a P0218 diagnostic trouble code?

To fix P0218: Check the level and condition of the transmission fluid. Replace fluid if dirty or old. Check the temperature sensor and its circuit for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0218?

Limited driving only, diagnose soon

How much does it cost to fix P0218?

The estimated repair cost for P0218 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat