P2DC8

Starter/Generator Excitation Current Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Malfunction warning on the dashboard
Problems starting the engine
Battery low
Generator power reduction

Causes

Generator malfunction
Wiring damage
Problems with the control module
Excitation relay malfunction
Short circuit in the circuit

How to Fix

Check the condition of the generator
Inspect the excitation circuit for damage
Check field relay
Test the control module
Replace faulty components

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