P0ADE

Hybrid/EV Battery Negative Contactor Control Circuit Range/Performance

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–222 (est.)

Symptoms

Hybrid/electric system does not activate
Check engine light comes on
Reduced power or inability to start
Error message on the dashboard

Causes

Battery negative contactor fault
Damage to the contactor control circuit
Poor connection in the circuit
Battery management module malfunction
Software problems

How to Fix

Check the integrity of the contactor control circuit
Check connections and connectors in the circuit
Test negative battery contactor
Check Battery Management Module
Update software if necessary

Related codes

P0ADF P0AE0 P0AE1