P03CC
Cylinder 6 Pressure Too Low
Cylinder 6 measured peak combustion pressure is below the calibrated minimum — typically low compression, weak injection, or stuck-open exhaust valve.
Cylinder 6 measured peak combustion pressure is below the calibrated minimum — typically low compression, weak injection, or stuck-open exhaust valve.
Common causes
- high
Low compression on cylinder 6
One of the most commonly reported causes for this code — check this first.
Typical part cost: $440-4400
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P03CC mean?
P03CC means "Cylinder 6 Pressure Too Low". It is a generic OBD-II code that points to a fault in the ignition system or misfire.
What are the most common causes of P03CC?
low compression on cylinder 6 — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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