Code result
P263C
Glow Plug Control Driver Performance
Moderate severity
What it means
The glow plug control driver does not respond to commands within tolerance. Cold-start glow function is degraded so cold starting can be delayed and white smoke increases.
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
Aged driver shows degraded switching behaviour
highOne of the most commonly reported causes for this code — check this first.
Current feedback loop noisy
mediumA plausible cause — test and verify before replacing parts.
Related help
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