P2D73

Battery Charging System Negative Contactor D Control Circuit/Open

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check engine light is on
Reduced voltage in the on-board network
Problems starting the engine
Battery low
Irregular operation of electrical equipment

Causes

Open contactor control circuit
Contactor relay fault
Wiring harness damage
Short circuit in the circuit
Malfunction of the charging system control unit

How to Fix

Check the integrity of the contactor control circuit
Check the functionality of the contactor relay
Inspect the wiring harness for damage
Check connections and contacts in the circuit
Test the charging system control unit

Related codes

P2D72 P2D74 P0562