All codes/P2D29

P2D29

A/C Compressor Motor Stalled

High severity

The electric A/C compressor motor is stalled. High mechanical resistance, internal seizure, or refrigerant overpressure prevents rotation.

The electric A/C compressor motor is stalled. High mechanical resistance, internal seizure, or refrigerant overpressure prevents rotation.

Common causes

  • Compressor mechanically seized

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

    high

    Typical part cost: $880-4400

  • Refrigerant overpressure stalls compressor

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $880-4400

  • See all causes + fix costs

    Create a free Wrenchify account to unlock the rest for P2D29.

    Unlock causes

    Free forever · No credit card

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.

Get the full step-by-step diagnosis

Create a free Wrenchify account to unlock the rest for P2D29.

Unlock diagnosis

Free forever · No credit card

Related codes

See related trouble codes

Create a free Wrenchify account to unlock the rest for P2D29.

Unlock related codes

Free forever · No credit card

Frequently asked questions

What does P2D29 mean?

P2D29 means "A/C Compressor Motor Stalled". It is a generic OBD-II code that points to a fault in the auxiliary emission controls.

What are the most common causes of P2D29?

compressor mechanically seized; refrigerant overpressure stalls compressor — 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.

Get the full P2D29 diagnosis for your vehicle

Year, make, model + step-by-step repair help — free plan included.

Diagnose P2D29