OBD Guide

P01C2

Fuel Rail Pressure Sensor Circuit Intermittent/Erratic Bank 2

P01C2 is an OBD-II diagnostic trouble code meaning: Fuel Rail Pressure Sensor Circuit Intermittent/Erratic Bank 2. Common causes: damaged or faulty fuel rail pressure sensor, 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
  • Difficulty starting the engine
  • Check Engine Light Is On

Causes

  • Damaged or faulty fuel rail pressure sensor
  • Open or short circuit in wiring harness
  • Poor contact in the sensor connector
  • Problems with the fuel pump or pressure regulator
  • Engine ECU malfunction

How to Fix

  1. Check the integrity of the wiring harness and sensor connectors
  2. Measure resistance and voltage at the sensor
  3. Check the fuel pressure in the rail
  4. Replace the fuel rail pressure sensor if necessary
  5. Clear error codes and check if error is returned

Related codes

Error P01C2 by Vehicle Brand

FAQ

What does the P01C2 code mean?

P01C2 is an OBD-II diagnostic trouble code that indicates: Fuel Rail Pressure Sensor Circuit Intermittent/Erratic Bank 2

What causes a P01C2 error code?

The most common causes of P01C2 include: Damaged or faulty fuel rail pressure sensor; Open or short circuit in wiring harness; Poor contact in the sensor connector; Problems with the fuel pump or pressure regulator.

How do I fix a P01C2 diagnostic trouble code?

To fix P01C2: Check the integrity of the wiring harness and sensor connectors. Measure resistance and voltage at the sensor. Check the fuel pressure in the rail. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P01C2?

Limited driving only, diagnose soon

How much does it cost to fix P01C2?

The estimated repair cost for P01C2 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat