OBD-II code · Powertrain (generic)
P0035 Turbocharger Bypass Valve Control Circuit High
The bypass valve solenoid control circuit reports a voltage above threshold, indicating a short to power or open circuit. Boost control is disabled while the fault is active.
Is it safe to drive with P0035?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySignal wire shorted to battery voltage
- PossibleOpen circuit in wiring or solenoid
- Less likelyConnector pins corroded - high contact resistance
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–3 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Turbocharger Bypass Valve, Wastegate Solenoid, Wiring Harness
Related codes
- P0032HO2S Heater Control Circuit High (Bank 1 Sensor 1)
- P0033Turbocharger Bypass Valve Control Circuit
- P0034Turbocharger Bypass Valve Control Circuit Low
- P0036HO2S Heater Control Circuit (Bank 1 Sensor 2)
- P0037HO2S Heater Control Circuit Low (Bank 1 Sensor 2)
- P0038HO2S Heater Control Circuit High (Bank 1 Sensor 2)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.