OBD Guide

P0248

Turbocharger/Supercharger Wastegate Actuator B Range/Performance

P0248 is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Wastegate Actuator B Range/Performance. Common causes: bypass valve actuator malfunction, open or short circuit in the actuator circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Unstable engine operation
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Bypass valve actuator malfunction
  • Open or short circuit in the actuator circuit
  • Mechanical damage to the bypass valve
  • Leaks in the boost system
  • Problems with the wiring harness or connectors

How to Fix

  1. Check the integrity of the actuator circuit
  2. Inspect the wiring harness and connectors for damage.
  3. Check the mechanical condition of the bypass valve
  4. Test the actuator for compliance with specifications
  5. Replace faulty actuator or bypass valve

Related codes

Error P0248 by Vehicle Brand

FAQ

What does the P0248 code mean?

P0248 is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Wastegate Actuator B Range/Performance

What causes a P0248 error code?

The most common causes of P0248 include: Bypass valve actuator malfunction; Open or short circuit in the actuator circuit; Mechanical damage to the bypass valve; Leaks in the boost system.

How do I fix a P0248 diagnostic trouble code?

To fix P0248: Check the integrity of the actuator circuit. Inspect the wiring harness and connectors for damage.. Check the mechanical condition of the bypass valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0248?

Limited driving only, diagnose soon

How much does it cost to fix P0248?

The estimated repair cost for P0248 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat