B0128

DC/AC Converter A High Voltage Power Outlet B Circuit/Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Lack of power at high-voltage consumers
Multimedia devices or inverter do not work
Check Engine light comes on

Causes

Open circuit of the high-voltage converter
DC/AC converter malfunction
Poor contact in connectors
Wiring harness damage
Short circuit in the circuit

How to Fix

Check the integrity of the high-voltage converter circuit
Inspect connectors and contacts for oxidation
Check the functionality of the DC/AC converter
Visually inspect the wiring harness for damage
Replace converter if necessary

Related codes

B0127 B0129 P0A7F