P2B58

Engine Coolant Flow Control Valve Motor Current High

Moderate severity

The engine coolant flow control valve reports a motor current high condition. Coolant routing between engine and radiator branches cannot be commanded as expected.

Common causes

Valve mechanically stalled - high stall current
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $170-770
Motor wire shorted to ground
A plausible cause — test and verify before replacing parts.
medium
Typical part cost: $170-770
See all causes + fix costs
Create a free Wrenchify account to unlock the rest for P2B58.
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 P2B58.

Unlock diagnosis

Free forever · No credit card

Related codes

See related trouble codes

Create a free Wrenchify account to unlock the rest for P2B58.

Unlock related codes

Free forever · No credit card

Frequently asked questions

What does P2B58 mean?

P2B58 means "Engine Coolant Flow Control Valve Motor Current 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 P2B58?

valve mechanically stalled - high stall current; motor wire shorted to ground — 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 P2B58 diagnosis for your vehicle

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

Diagnose P2B58