P01BA

Engine Oil Temperature Sensor B Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Incorrect oil temperature readings on the dashboard
Reduced engine efficiency
Increased fuel consumption
Check Engine Light Illuminates

Causes

Oil temperature sensor B fault
Open or shorted sensor wiring harness
Poor contact in the sensor connector
Problems with the engine control unit (ECU)

How to Fix

Check the condition of oil temperature sensor B
Inspect the wiring harness and sensor connector for damage.
Check sensor resistance at different temperatures
If necessary, replace oil temperature sensor B
Reset the error and check if it appears again

Related codes

P01BB P0115 P0116