Code result
P2309
Ignition Coil D Primary Control Circuit Low
Moderate severity
What it means
Low primary control voltage on ignition coil D. The cylinder served by this coil will misfire if not corrected quickly.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Internal coil short
highOne of the most commonly reported causes for this code — check this first.
Primary shorted to ground
mediumA plausible cause — test and verify before replacing parts.
Connector pins corroded - high contact resistance
lowLess common, but worth ruling out after the more likely causes.
Related help
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