P2D79

Charging Stop Switch Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–33 (est.)

Symptoms

Check engine light is on
Battery charging problems
The generator is unstable
Reduced vehicle power

Causes

Open or short circuit in the circuit
Faulty charging stop switch
Relay problems
Control module malfunction
Contact corrosion

How to Fix

Check the integrity of the wiring in the circuit
Diagnose the charging stop switch
Check relays and fuses
Scan the control module for errors
Clean contacts from corrosion

Related codes

P2D78 P2D80 P2D81