OBD Guide

P01C1

Fuel Rail Pressure Sensor Circuit High Bank 2

P01C1 is an OBD-II diagnostic trouble code meaning: Fuel Rail Pressure Sensor Circuit High Bank 2. Common causes: fuel rail pressure sensor malfunction, 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

  • Loss of engine power
  • Unstable idling
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Possible misfires

Causes

  • Fuel rail pressure sensor malfunction
  • Open or short circuit in wiring harness
  • Problems with sensor connectors
  • Engine control unit malfunction
  • Increased pressure in the fuel rail

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Measure the resistance and voltage of the sensor
  3. Check the pressure in the fuel rail
  4. If necessary, replace the pressure sensor
  5. Clear error codes and check system operation

Related codes

Error P01C1 by Vehicle Brand

FAQ

What does the P01C1 code mean?

P01C1 is an OBD-II diagnostic trouble code that indicates: Fuel Rail Pressure Sensor Circuit High Bank 2

What causes a P01C1 error code?

The most common causes of P01C1 include: Fuel rail pressure sensor malfunction; Open or short circuit in wiring harness; Problems with sensor connectors; Engine control unit malfunction.

How do I fix a P01C1 diagnostic trouble code?

To fix P01C1: Check the integrity of the wiring harness and connectors. Measure the resistance and voltage of the sensor. Check the pressure in the fuel rail. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P01C1?

Limited driving only, diagnose soon

How much does it cost to fix P01C1?

The estimated repair cost for P01C1 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat