P0249 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0249 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0249 code.

OBD II Fault Code

• OBD II P0249

OBD-II Code Powertrain Control Module (PCM) failure is defined as a Turbocharger/Supercharger Wastegate Solenoid "B" Low

The Wastegate solenoid allows unneeded boost generated by the turbo or supercharger to vent the system. The engine control module (PCM) controls the wastegate solenoid. If the PCM cannot control the solenoid, it will set code P0249.The PCM may also disable the turbo or supercharger to prevent further damage to the system.

Powertrain Control Module (PCM) failure Symptoms

• Lack of boost from the turbo/supercharger

Common Problems That Trigger the P0249 Code

• Powertrain Control Module (PCM) failure
• Wastegate solenoid failure
• Wiring issue