P011E

Engine Coolant Temperature 1 / Ambient Air Temperature Correlation

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Incorrect temperature readings on the dashboard

Causes

Coolant temperature sensor malfunction
Ambient temperature sensor malfunction
Wiring harness damage
Contact corrosion
ECU software error

How to Fix

Check temperature sensor readings using a diagnostic scanner
Inspect the wiring harness for damage
Check sensor contacts for corrosion
Replace faulty sensor
Update ECU firmware if necessary

Related codes

P0115 P0116 P0117 P0118