OBD Guide

P2D79

Charging Stop Switch Circuit

P2D79 is an OBD-II diagnostic trouble code meaning: Charging Stop Switch Circuit. Common causes: open or short circuit in the circuit, faulty charging stop switch. Estimated repair cost: $6–33.

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

  1. Check the integrity of the wiring in the circuit
  2. Diagnose the charging stop switch
  3. Check relays and fuses
  4. Scan the control module for errors
  5. Clean contacts from corrosion

Related codes

Error P2D79 by Vehicle Brand

FAQ

What does the P2D79 code mean?

P2D79 is an OBD-II diagnostic trouble code that indicates: Charging Stop Switch Circuit

What causes a P2D79 error code?

The most common causes of P2D79 include: Open or short circuit in the circuit; Faulty charging stop switch; Relay problems; Control module malfunction.

How do I fix a P2D79 diagnostic trouble code?

To fix P2D79: Check the integrity of the wiring in the circuit. Diagnose the charging stop switch. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2D79?

Yes, but get it checked soon

How much does it cost to fix P2D79?

The estimated repair cost for P2D79 is $6–33. Actual cost depends on your vehicle, location, and labor rates.

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