P2D70

Battery Charging System Negative Contactor D Circuit

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Problems with charging a high-voltage battery
Reduced engine power
Limitation of hybrid system operation
Possible problems starting the car

Causes

Negative charging contactor fault
Open or short circuit in the contactor circuit
Contactor relay problems
Malfunction of the hybrid system control unit
Corrosion or poor contact in connectors

How to Fix

Check the condition of the negative charging contactor
Test the contactor circuit for open and short circuit
Check the functionality of the contactor relay
Inspect connectors and connections for corrosion
If necessary, replace the contactor or relay

Related codes

P2D71 P2D72 P0AA6