P069B
Cylinder 9 Glow Plug Control Circuit High
The control line for the glow plug on cylinder 9 is open or shorted to supply - the plug cannot be heated.
The control line for the glow plug on cylinder 9 is open or shorted to supply - the plug cannot be heated.
Common causes
- high
Open in plug or wiring
One of the most commonly reported causes for this code — check this first.
Typical part cost: $70-280
- low
Connector pins corroded - high contact resistance
Less common, but worth ruling out after the more likely causes.
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
See related trouble codes
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Frequently asked questions
What does P069B mean?
P069B means "Cylinder 9 Glow Plug Control Circuit High". 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 P069B?
open in plug or wiring; connector pins corroded - high contact resistance; supply wire pinched against b+ source — 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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