GWM
GWM diesel ute: turbo boost control solenoid circuit high.
P0048 fault code: what it means
P0048: Turbo boost control circuit high: open circuit or short to voltage in the boost control circuit.
Usual causes, most likely first
- open solenoid coil
- unplugged or corroded connector
- broken wire
- failed electronic turbo actuator
P0048 by make
Isuzu
Turbo boost control solenoid circuit high.
LDV
LDV diesel: turbo boost control solenoid circuit high.
Mazda
Two-stage turbo regulating solenoid valve circuit high (SKYACTIV-D 2.2). Boost control between the two turbos is affected.
Not sure what P0048 means on your car? Ask Credov.
Before you clear it
Write the code down or photograph the scanner first. A code that comes straight back after clearing points to a fault that is still there. A car whose codes were cleared just before you arrived may be hiding one: the scanner's readiness monitors show "not ready" for a while after codes are cleared.
Researched by Credov from manufacturer and workshop sources. A fault code points to where a fault may be; a workshop confirms it with a diagnosis. Browse all fault codes.