The P2293 code on your 2022 Cadillac CT5 indicates the fuel volume regulator control has exceeded its operational limits. This code affects your CT5's 2.0L turbocharged 4-cylinder or 3.0L twin-turbo V6 engine's high-pressure direct injection fuel system, signaling the ECM cannot achieve the commanded fuel pressure despite maximum regulator adjustment.
Understanding P2293 on CT5
The fuel volume regulator controls how much fuel the high-pressure pump delivers to maintain target rail pressure. Code P2293 sets when the ECM commands maximum or minimum regulator duty cycle but still cannot achieve the desired fuel pressure, indicating the system has reached its control limits.
Common Symptoms
- Check engine light on
- Poor acceleration or hesitation
- Rough idle or running
- Hard starting
- Reduced power mode possible
- Fuel economy changes
- Engine may stall or surge
Primary Causes
- Failing high-pressure fuel pump
- Faulty fuel volume regulator solenoid
- Low-pressure fuel supply issue
- Clogged fuel filter
- Fuel rail pressure sensor fault
- Wiring issues in regulator circuit
- Fuel system leaks
- ECM calibration issue
Diagnostic Procedure for 2022 CT5
Using GM GDS2 or compatible scan tool, monitor fuel volume regulator duty cycle and actual fuel rail pressure. If duty cycle is at maximum or minimum limits while pressure remains off-target, confirm the issue. Test low-pressure fuel supply to the high-pressure pump. Check fuel volume regulator solenoid resistance and response. Test fuel rail pressure sensor accuracy. Inspect for fuel leaks reducing system pressure.
Repair Solutions
Replace clogged fuel filter if restricting supply. Repair or replace faulty fuel volume regulator solenoid. If high-pressure pump output is insufficient, replacement is required. Address low-pressure supply issues including weak in-tank pump. Repair fuel leaks. Clear codes and verify regulator maintains commanded pressure within control limits during all operating conditions.