OBD Guide

P01C6

Fuel Pressure Sensor A Circuit High

P01C6 is an OBD-II diagnostic trouble code meaning: Fuel Pressure Sensor A Circuit High. Common causes: fuel pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • uneven engine operation
  • power reduction
  • increased fuel consumption
  • difficult starting
  • Check Engine light comes on

Causes

  • Fuel pressure sensor malfunction
  • open or short circuit in the sensor circuit
  • wiring harness damage
  • problems with the engine ECU
  • mechanical damage to the fuel system
  • contact corrosion

How to Fix

  1. Check the sensor circuit for damage
  2. Measure the resistance and voltage of the sensor
  3. Check connections and connectors
  4. Test the sensor on a bench
  5. Replace sensor if necessary
  6. Clear error memory and test drive

Related codes

Error P01C6 by Vehicle Brand

FAQ

What does the P01C6 code mean?

P01C6 is an OBD-II diagnostic trouble code that indicates: Fuel Pressure Sensor A Circuit High

What causes a P01C6 error code?

The most common causes of P01C6 include: Fuel pressure sensor malfunction; open or short circuit in the sensor circuit; wiring harness damage; problems with the engine ECU.

How do I fix a P01C6 diagnostic trouble code?

To fix P01C6: Check the sensor circuit for damage. Measure the resistance and voltage of the sensor. Check connections and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P01C6?

Limited driving only, diagnose soon

How much does it cost to fix P01C6?

The estimated repair cost for P01C6 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat