P0C9D

14 Volt Power Module Current Sensor B Circuit Range/Performance

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced hybrid system efficiency
Problems charging a 12-volt battery
Reduced vehicle power
Errors in the operation of the high voltage system

Causes

Current sensor B fault
Open or short circuit in the sensor circuit
Poor contact in connectors
14V power module faulty
Software problems

How to Fix

Check continuity of current sensor B circuit
Check connections and connectors
Test current sensor B
Check the functionality of the 14V power module
Update software if necessary

Related codes

P0C9C P0C9E P0C9F