Code result
P0804
1-4 Upshift (Skip Shift) Lamp Control Circuit Malfunction
Moderate severity
What it means
General electrical fault on the upshift/skip-shift indicator lamp control circuit — the dashboard light that prompts the driver to skip from 1st straight to 4th. With the input invalid the lamp cannot be illuminated.
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
Open or shorted lamp wire
highOne of the most commonly reported causes for this code — check this first.
Failed lamp bulb or LED
mediumA plausible cause — test and verify before replacing parts.
Related help
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