P02C6
Cylinder 12 - Fuel Trim at Max Limit
Per-cylinder fuel trim on cylinder 12 has reached its maximum correction limit. Cylinder running too lean structurally.
Per-cylinder fuel trim on cylinder 12 has reached its maximum correction limit. Cylinder running too lean structurally.
Common causes
- high
Cylinder 12 running structurally lean
One of the most commonly reported causes for this code — check this first.
Typical part cost: $220-2750
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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 P02C6 mean?
P02C6 means "Cylinder 12 - Fuel Trim at Max Limit". It is a generic OBD-II code that points to a fault in the fuel & air metering (injector circuit).
What are the most common causes of P02C6?
cylinder 12 running structurally lean — 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?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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