P0D16

Battery Charging System A High Voltage Interlock Circuit Performance

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced battery charging efficiency
Possible problems starting the engine
Hybrid system power reduction
Errors in the operation of the high voltage system

Causes

Damage to high voltage wiring harness
High voltage relay malfunction
Problems with the charging system control unit
Corrosion of contacts in the circuit
Voltage sensor fault

How to Fix

Carry out diagnostics of the high-voltage system
Check the integrity of the wiring harness
Test the operation of the high-voltage relay
Check contacts for corrosion
If necessary, replace faulty components

Related codes

P0D15 P0D17 P0A80