Electrical
Code P0118
Engine Coolant Temp High Input
Plain English Meaning:Coolant reading too high
⚠️
Yellow: Drive with Caution
Incorrect cooling control
P0118 Symptoms
- •Check engine light fan issues
Most Common Causes of P0118
1Sensor fault wiring issue
P0118 Repair Playbook
Required Mechanic Tests
A qualified shop should perform these tests before replacing any parts to ensure they aren't guessing:
Check voltage
Typical Fix Paths & Estimated Costs
Replace sensor $50–$200
Fair Pricing Guides
Check our database for average parts, labor, and expected repair costs before heading to a mechanic.
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