P0A86

14 Volt Power Module Current Sensor A Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine Light Is On
Reduced hybrid system efficiency
Problems with the start-stop system
The car goes into emergency mode
Power reduction

Causes

Open or short circuit in the sensor circuit
14V module current sensor malfunction
Connector problems or contact corrosion
14V power module faulty
Wiring Harness Problems

How to Fix

Check the continuity of the current sensor circuit
Inspect connectors and contacts for damage
Check the resistance of the current sensor
Scan the power module for additional errors
If necessary, replace the current sensor or power module

Related codes

P0A87 P0A88 P0A89