OBD Guide
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P13CD

Ignition And Fuel Injectors Realy Power Supply Circuit Injection Circuit Low

P13CD is an OBD-II diagnostic trouble code meaning: Ignition And Fuel Injectors Realy Power Supply Circuit Injection Circuit Low. Common causes: faulty ignition or injector relay, wiring harness damage. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$6–33 (est.)

Symptoms

  • The engine stalls or does not start
  • Unstable engine operation
  • Power Loss
  • Increased fuel consumption
  • Check Engine light comes on

Causes

  • Faulty ignition or injector relay
  • Wiring harness damage
  • Short circuit in the circuit
  • Problems with the engine control unit
  • Oxidation of contacts

How to Fix

  1. Check the condition of the ignition relay and injectors
  2. Inspect the wiring harness for damage
  3. Check the voltage in the power circuit
  4. Clean contacts and terminals
  5. If necessary, replace the relay or wires

Related codes

P13CEP13CFP13D0

FAQ

What does the P13CD code mean?

P13CD is an OBD-II diagnostic trouble code that indicates: Ignition And Fuel Injectors Realy Power Supply Circuit Injection Circuit Low

What causes a P13CD error code?

The most common causes of P13CD include: Faulty ignition or injector relay; Wiring harness damage; Short circuit in the circuit; Problems with the engine control unit.

How do I fix a P13CD diagnostic trouble code?

To fix P13CD: Check the condition of the ignition relay and injectors. Inspect the wiring harness for damage. Check the voltage in the power circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P13CD?

Do not drive — repair immediately

How much does it cost to fix P13CD?

The estimated repair cost for P13CD is $6–33. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat