P0CA0

14 Volt Power Module Current Sensor B Circuit Intermittent

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Unstable operation of electrical equipment
Check engine light comes on
Battery charging problems
Reduced hybrid system performance (if applicable)

Causes

Poor contact in the current sensor connector
Open or short circuit in the sensor circuit
Current sensor B fault
Problems with the 14V power module
Corroded contacts or damaged wiring harness

How to Fix

Check connections and connectors of the current sensor
Test sensor circuit integrity
Check the functionality of current sensor B
Diagnose the 14V power module
If necessary, replace the sensor or module

Related codes

P0C9F P0CA1 P0CA2