Code result

P26FF

Auto Configuration Throttle Input Not Present Bank 2

Moderate severity

What it means

During controller auto-configuration the expected throttle input on bank 2 was not detected. Configuration cannot complete and the second throttle path cannot be used.

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

  • Broken signal wire from throttle B2

    high

    One of the most commonly reported causes for this code — check this first.

  • Hardware variant mismatch — sensor not installed

    medium

    A plausible cause — test and verify before replacing parts.

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