OBD Guide

P03CC

Cylinder 6 Pressure Too Low

P03CC is an OBD-II diagnostic trouble code meaning: Cylinder 6 Pressure Too Low. Common causes: piston ring wear, damage to valves. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Misfire in cylinder 6
  • Reduced engine power
  • Unstable idle
  • Increased fuel consumption

Causes

  • Piston ring wear
  • Damage to valves
  • Compression leak
  • Fuel injector malfunction
  • Problems with the ignition system

How to Fix

  1. Check compression in cylinder 6
  2. Inspect valves and piston rings
  3. Check fuel injector
  4. Diagnose the ignition system
  5. If necessary, replace damaged parts

Related codes

Error P03CC by Vehicle Brand

FAQ

What does the P03CC code mean?

P03CC is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Pressure Too Low

What causes a P03CC error code?

The most common causes of P03CC include: Piston ring wear; Damage to valves; Compression leak; Fuel injector malfunction.

How do I fix a P03CC diagnostic trouble code?

To fix P03CC: Check compression in cylinder 6. Inspect valves and piston rings. Check fuel injector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P03CC?

Limited driving only, diagnose soon

How much does it cost to fix P03CC?

The estimated repair cost for P03CC is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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