All codes/P285E

P285E

Shift Fork A Actuator Circuit High

High severity

The control circuit for shift fork A actuator reports a actuator circuit high condition. Fork engagement cannot be commanded reliably.

The control circuit for shift fork A actuator reports a actuator circuit high condition. Fork engagement cannot be commanded reliably.

Common causes

  • Control wire shorted to B+

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

    high

    Typical part cost: $440-2200

  • Open actuator coil

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $440-2200

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P285E mean?

P285E means "Shift Fork A Actuator Circuit High". It is a generic OBD-II code that points to a fault in the auxiliary emission controls.

What are the most common causes of P285E?

control wire shorted to b+; open actuator coil; connector pins corroded - high contact resistance — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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