Engine-Codes.com
Engine-Codes – GMC – P0218 GMC

P0218 GMC Code - Transmission Fluid Overtemperature

Quick Answer

The P0218 GMC code indicates that the transmission fluid temperature has exceeded the maximum allowable threshold. Common causes include Towing heavy loads, Driving in extreme heat conditions, Malfunctioning cooling system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0218 GMC indicates Transmission Fluid Overtemperature.
Common causes
Common causes include Towing heavy loads, Driving in extreme heat conditions, Malfunctioning cooling system.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0218 GMC Description

The P0218 GMC code indicates that the transmission fluid temperature has exceeded the maximum allowable threshold. This can lead to various issues with the transmission system and affect the overall performance of the vehicle. When the transmission fluid overheats, it can cause damage to internal components, reduce the lubrication properties of the fluid, and lead to increased wear and tear on the transmission system.

OBDII Code P0218 GMC - Transmission Fluid Overtemperature
P0218 GMC Code - Transmission Fluid Overtemperature

Common Causes of P0218 GMC

  1. Towing heavy loads
  2. Driving in extreme heat conditions
  3. Malfunctioning cooling system
  4. Faulty transmission fluid pump
  5. Clogged transmission fluid filter

Symptoms of P0218 GMC

  1. Transmission slipping or jerking
  2. Delayed or rough shifting
  3. Transmission fluid leaks
  4. Overheating warning light on the dashboard
  5. Reduced fuel efficiency

How to Fix P0218 GMC

  1. Check transmission fluid level and condition
  2. Inspect the cooling system for any leaks or malfunctions
  3. Test the transmission fluid pump for proper operation
  4. Replace the transmission fluid filter if clogged
  5. Repair or replace any damaged transmission components

Cost to Fix P0218 GMC

The cost to repair a P0218 GMC code can vary depending on the specific cause of the issue and the extent of the damage. In general, you can expect to pay anywhere from $200 to $500 for parts and labor. Keep in mind that diagnosis time and labor rates can vary, so it's recommended to obtain a detailed quote from a qualified mechanic or auto repair shop before proceeding with the repairs.

Need more information about the P0218 GMC code?

Need more information on how to fix the P0218 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0218 GMC code diagnosed by a professional: Find a repair shop in your area

Information for Specific GMC Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0218 GMC Code

No Frequently Asked Questions about P0218 GMC Code found.

Discuss the causes and fixes for P0218 GMC OBDII Code

Submit a New Comment

Code P0218 GMC comments

No comments found for this page.