P001C
Intake Cam Profile Bank 1 Signal too High
Variable Valve TimingMODERATE
Описание
Intake (A) Cam Profile bank 1, Circuit too High
Частые симптомы
- Stuck in high-performance cam profile
- Possible valve train noise
- Check Engine Light
- Poor low-RPM drivability
- Increased fuel consumption
Возможные причины
- Short to power in cam profile circuit
- Failed cam profile solenoid stuck on
- ECU driver circuit malfunction
- Wiring harness short to 12V
- Aftermarket system interference
Диагностика
- 1. Test circuit for shorts to power
- 2. Check cam profile solenoid mechanical operation
- 3. Inspect wiring for damage
- 4. Test ECU output signals
- 5. Check for aftermarket modifications
Решения по ремонту
- Repair shorted wiring to power
- Replace faulty cam profile solenoid
- Remove interfering aftermarket components
- Replace ECU if driver circuit failed
- Reset valve train adaptations
Профилактика
- Professional installation of performance upgrades
- Regular wiring inspection
- Avoid splicing into factory cam profile wiring