OBD Guide

P03C0

Cylinder 5 Pressure Sensor Circuit High

P03C0 is an OBD-II diagnostic trouble code meaning: Cylinder 5 Pressure Sensor Circuit High. Common causes: malfunction of the pressure sensor in cylinder 5, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Malfunction of the pressure sensor in cylinder 5
  • Open or short circuit in wiring harness
  • Poor contact in the sensor connector
  • ECU malfunction

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Check the contacts in the sensor connector
  3. Replace pressure sensor in cylinder 5
  4. Check and, if necessary, replace the computer

Related codes

Error P03C0 by Vehicle Brand

FAQ

What does the P03C0 code mean?

P03C0 is an OBD-II diagnostic trouble code that indicates: Cylinder 5 Pressure Sensor Circuit High

What causes a P03C0 error code?

The most common causes of P03C0 include: Malfunction of the pressure sensor in cylinder 5; Open or short circuit in wiring harness; Poor contact in the sensor connector; ECU malfunction.

How do I fix a P03C0 diagnostic trouble code?

To fix P03C0: Check the integrity of the sensor wiring harness. Check the contacts in the sensor connector. Replace pressure sensor in cylinder 5. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P03C0?

Limited driving only, diagnose soon

How much does it cost to fix P03C0?

The estimated repair cost for P03C0 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat