P0E9F

DC/DC Converter Current Sensor B Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine Light Is On
Unstable operation of the hybrid system
Reduced charging efficiency
Periodic malfunctions of electrical equipment

Causes

Current sensor B fault
Open or short circuit in the sensor circuit
Poor contact in connectors
Problems with DC/DC converter
Contact corrosion

How to Fix

Check continuity of current sensor B circuit
Inspect connectors and contacts for oxidation
Check the functionality of the current sensor
If necessary, replace current sensor B
Check the operation of the DC/DC converter

Related codes

P0E9E P0EA0 P0EA1