P0035

Описание

Turbo Charger Bypass Valve (N249), Signal too High

Частые симптомы

• Possible boost control issues
• Check Engine Light
• Erratic boost pressure
• Possible turbo overspeed protection
• Reduced engine efficiency

Возможные причины

• Short to power in bypass valve circuit
• Failed turbo bypass valve stuck open
• ECU driver circuit malfunction
• Wiring harness short to 12V
• Aftermarket boost controller interference

Диагностика

1. 1. Test bypass circuit for shorts to power
2. 2. Check bypass valve mechanical operation
3. 3. Inspect wiring harness for damage
4. 4. Test ECU boost control output
5. 5. Check for aftermarket boost controllers

Решения по ремонту

• Repair shorted bypass valve wiring
• Replace faulty turbo bypass valve
• Remove interfering aftermarket components
• Replace ECU if driver circuit failed
• Reset boost control adaptations

Профилактика

• Professional installation of boost upgrades
• Regular turbo wiring inspection
• Avoid splicing into factory boost control wiring