Code result

P2640

Torque Management Feedback Signal A High

Moderate severity

What it means

The torque feedback signal A reads above its valid range. Source module sends an implausibly high value or the bus signal is stuck high.

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

  • Source module sends invalid high value

    high

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

  • Signal stuck high on the bus

    medium

    A plausible cause — test and verify before replacing parts.

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