Back to 2005 Cadillac DeVille

2005 CADILLAC DEVILLE

4.6L V8 NorthstarFWDAUTOMATICgas
1 active safety recall on this vehicle — view recalls
Repairs0Labor471Torque4903Fluid6DTC855Battery0Maintenance0Recalls1
P0218critical severityPowertrain

Transmission Over Temperature Condition

on 2005 Cadillac DeVille 4.6L V8 Northstar · FWD

What this code means

The transmission fluid temperature has exceeded safe limits.

Symptoms

  • Check Engine Light
  • Limp mode
  • Harsh shifting
  • Transmission slipping
  • Burning smell

Common causes

  • Low transmission fluid
  • Worn transmission
  • Towing beyond capacity
  • Torque converter failure
  • Transmission cooler blocked

Diagnostic steps

  1. Check transmission fluid level and condition
  2. Inspect cooler lines
  3. Check torque converter
  4. Test cooler flow

Repair notes

STOP DRIVING. Allow to cool. Check fluid level. Overheated transmission can suffer permanent damage.

Other Powertrain codes on this vehicle

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