What does P1249 mean on a Ford?

P1249. Wastegate Control Valve Performance (Diesel). Applies to F-250/F-350 Super Duty diesel with wastegated turbos.

What causes P1249 on a Ford?

Sticking wastegate valve Failed wastegate solenoid Split control hose Carbon-locked valve Weak actuator spring

How do I fix P1249 on a Ford?

Test wastegate movement by hand Check solenoid operation Inspect control hoses Clean carbon from the valve Replace the solenoid or wastegate per tests

Code

P1249

Wastegate Control Valve Performance (Diesel)

Category: Powertrain - Fuel/Air Metering
Severity: Check Engine Light
Applies to: F-250/F-350 Super Duty diesel with wastegated turbos
Related: No single generic twin. See OBD Codes List

Findings, check these first

Sticking wastegate valve
Failed wastegate solenoid
Split control hose
Carbon-locked valve
Weak actuator spring

Standard procedure

Test wastegate movement by hand
Check solenoid operation
Inspect control hoses
Clean carbon from the valve
Replace the solenoid or wastegate per tests

Code lookup

Type a code above, or start from a symptom or a common code.

Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.

Sources and review

Review: checked against the recorded source material.

OBDII.pro: P1249 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1249: Wastegate Control Valve Performance
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
P1249 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes
live reference page (obd2-codes.co)
Supports: Ford meaning for P1249: Wastegate Control Valve Performance
Fetched directly. obd2-codes.co phrasing matches the engine-codes family, so it counts as one publisher.

Last updated 2026-09-05.

Report a correction for P1249. Include your vehicle, the issue and a source if you have one.