Code result

P0800

Transfer Case Control System

Moderate severity

What it means

The transfer case control module has requested the ECM/PCM to illuminate the MIL because of a fault on its side that is emissions- or driveline-relevant. The original fault is in the transfer case module itself.

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 fault in transfer case module — read its DTCs

    high

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

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