P0248 Ford

Ford P0248 OBD-II Trouble Code Definition:

P0248 Turbocharger/Supercharger Wastegate Solenoid B Range/Performance

P0248 Ford OBD-II Trouble CodeDescription:

OBD Trouble Code P0248
Turbo/Super Charger Wastegate Solenoid “B” Range/Performance
What does the code mean? OBD-ii Code P0248 definition:
The PCM monitors the supercharger (boost) bypass (SCB) solenoid circuit for an electrical failure. The test fails when the signal moves outside the minimum or maximum allowable calibrated parameters for a specified SCB solenoid duty cycle (100% or 0%) by PCM command.
Symptoms Sumptoms of OBD code P0248
– Engine Light ON (or Service Engine Soon Warning Light)
Causes Causes of the OBD-II code P0248
– VPWR circuit open to SCB solenoid. – SCB solenoid circuit shorted to PWR GND or CHASSIS GND. – Damaged SCB solenoid. – SCB solenoid circuit open. – SCB solenoid circuit shorted to VPWR. – Damaged PCM
Solutions Disconnect SCB solenoid. Connect test lamp to SCB solenoid harness connector. Cycle SCB driver in PCM by Output Test Mode. Test lamp cycle on and off – SCB solenoid is suspect. Test lamp always on – SCB signal short in harness or PCM. Test always off – SCB signal or VPWR open in harness or PCM.