OBD Guide

P01C3

Fuel Pressure Sensor A Circuit

P01C3 is an OBD-II diagnostic trouble code meaning: Fuel Pressure Sensor A Circuit. Common causes: open or short circuit in the sensor circuit, fuel pressure sensor malfunction. 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
  • Increased fuel consumption
  • Difficulty starting the engine
  • Power Loss
  • Check Engine Light Illuminates

Causes

  • Open or short circuit in the sensor circuit
  • Fuel pressure sensor malfunction
  • Poor contact in the sensor connector
  • Wiring harness damage
  • ECU malfunction

How to Fix

  1. Check the continuity of the fuel pressure sensor circuit
  2. Check sensor connections and connectors
  3. Check sensor resistance and voltage
  4. Replace the fuel pressure sensor if necessary
  5. Check and update the ECU firmware (if required)

Related codes

Error P01C3 by Vehicle Brand

FAQ

What does the P01C3 code mean?

P01C3 is an OBD-II diagnostic trouble code that indicates: Fuel Pressure Sensor A Circuit

What causes a P01C3 error code?

The most common causes of P01C3 include: Open or short circuit in the sensor circuit; Fuel pressure sensor malfunction; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P01C3 diagnostic trouble code?

To fix P01C3: Check the continuity of the fuel pressure sensor circuit. Check sensor connections and connectors. Check sensor resistance and voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P01C3?

Limited driving only, diagnose soon

How much does it cost to fix P01C3?

The estimated repair cost for P01C3 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat