P0218 - Transmission Over Temperature Condition

Transmission fluid temperature is too high.

Code Overview

Transmission fluid temperature is too high.

Common Causes

• Low or degraded fluid
• Cooling system issue
• Heavy slipping
• Restricted transmission cooler flow

Diagnostic Steps

1. Check fluid level and condition
2. Inspect the transmission cooler lines
3. Look for slipping or towing-related heat load

Likely Repairs & Cost Guides

Use test results to confirm the fault before pricing the repair.

Related OBD Codes

Browse the closest code-family pages when the same fault pattern often shows up nearby.

Next Steps

Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.