P0218critical severityPowertrain
Transmission Over Temperature Condition
on 2015 Kia Forte 1.8L I4 · 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
- Check transmission fluid level and condition
- Inspect cooler lines
- Check torque converter
- Test cooler flow
Repair notes
STOP DRIVING. Allow to cool. Check fluid level. Overheated transmission can suffer permanent damage.
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Bluetooth code reader (~$25)
Veepeak OBDCheck BLE →
Pairs with your phone — reads and clears codes, live data.
Serious DIY (~$100)
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
Shop-grade tablet (~$300+)
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1