P2D28

Cold Start Propulsion Torque Performance

Moderate severity

During cold start, the propulsion torque output does not match the calibrated cold-start torque profile. Cold engine response, hybrid blend, or torque modelling deviates from expected.

Common causes

Increased cold-engine drag torque
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $110-1100
Hybrid blend strategy off-target
A plausible cause — test and verify before replacing parts.
medium
Typical part cost: $110-1100
See all causes + fix costs
Create a free Wrenchify account to unlock the rest for P2D28.
Unlock causes
Free forever · No credit card

First things to check

1Confirm the code with a scan tool and check for additional related codes.
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 P2D28.

Unlock diagnosis

Free forever · No credit card

Related codes

See related trouble codes

Create a free Wrenchify account to unlock the rest for P2D28.

Unlock related codes

Free forever · No credit card

Frequently asked questions

What does P2D28 mean?

P2D28 means "Cold Start Propulsion Torque Performance". It is a generic OBD-II code that points to a fault in the auxiliary emission controls.

What are the most common causes of P2D28?

increased cold-engine drag torque; hybrid blend strategy off-target — 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?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

Get the full P2D28 diagnosis for your vehicle

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

Diagnose P2D28