Code result
P0803
1-4 Upshift (Skip Shift) Solenoid Control Circuit Malfunction
Moderate severity
What it means
General electrical fault on the upshift/skip-shift solenoid control circuit — used on manual-transmission performance vehicles to force a skip from 1st straight to 4th under low-load cruise (CAFE fuel-economy feature). With the input invalid the lockout cannot be applied.
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 control wire
highOne of the most commonly reported causes for this code — check this first.
Related help
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