All codes/P069C

P069C

Cylinder 10 Glow Plug Control Circuit Low

Moderate severity

The control line for the glow plug on cylinder 10 is shorted to ground or the plug is internally shorted.

Common causes

Control line shorted to ground
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $70-280
Connector pins corroded - high contact resistance
Less common, but worth ruling out after the more likely causes.
low
Typical part cost: $70-280
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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

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Frequently asked questions

What does P069C mean?

P069C means "Cylinder 10 Glow Plug Control Circuit Low". It is a generic OBD-II code that points to a fault in the computer & auxiliary output controls.

What are the most common causes of P069C?

control line shorted to ground; connector pins corroded - high contact resistance; harness chafing through insulation — 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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