OBD Guide
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P113C

Oxygen Sensor Power Supply Circuit Performance

P113C is an OBD-II diagnostic trouble code meaning: Oxygen Sensor Power Supply Circuit Performance. Common causes: open or short circuit in the sensor power supply circuit, poor contact in the sensor connector. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Check Engine light comes on
  • Power dips
  • Increased emissions of harmful substances

Causes

  • Open or short circuit in the sensor power supply circuit
  • Poor contact in the sensor connector
  • Oxygen sensor malfunction
  • Problems with the relay or power fuse
  • Corroded contacts or damaged wiring

How to Fix

  1. Check the integrity of the sensor power supply circuit
  2. Inspect connectors and contacts for damage and corrosion
  3. Check fuses and relays associated with the sensor power circuit
  4. Replace the oxygen sensor if necessary

Related codes

P113AP113BP113D

FAQ

What does the P113C code mean?

P113C is an OBD-II diagnostic trouble code that indicates: Oxygen Sensor Power Supply Circuit Performance

What causes a P113C error code?

The most common causes of P113C include: Open or short circuit in the sensor power supply circuit; Poor contact in the sensor connector; Oxygen sensor malfunction; Problems with the relay or power fuse.

How do I fix a P113C diagnostic trouble code?

To fix P113C: Check the integrity of the sensor power supply circuit. Inspect connectors and contacts for damage and corrosion. Check fuses and relays associated with the sensor power circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P113C?

Yes, but get it checked soon

How much does it cost to fix P113C?

The estimated repair cost for P113C is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat