P2DBB

Battery Charging System B High Voltage Interlock Circuit Intermittent/Erratic

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Intermittent operation of the hybrid/electric system
Flashing warning lights on the dashboard
Reduced battery charging efficiency
Power loss in electric mode
Error messages in the high voltage system

Causes

Damage to high voltage wiring harness
Oxidation or poor contact in connectors
Malfunction of the high voltage system control unit
Damage to the insulation of high-voltage cables
Problems with interconnect circuit sensors

How to Fix

Visual inspection of high-voltage cables and connectors for damage
Checking Interconnect Circuit Connections
Diagnostics of high-voltage system control units
Measuring resistance and integrity of high voltage circuits
Updating the control module software (if recommended)

Related codes

P2DBC P2DBA P0AA6