OBD-II code · Powertrain (generic)
P005E Turbocharger/Supercharger Boost Control B Supply Voltage Circuit Low
Supply voltage feeding boost control actuator B is below the expected range. Likely fuse, supply wiring or relay fault.
Is it safe to drive with P005E?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySupply fuse blown or relay failed
- Less likelyConnector pins corroded - high contact resistance
- Less likelyHarness chafing through insulation
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
- 0.3–1.5 h
- Emissions test
- Likely to fail
- Parts involved
- Boost Actuator B Supply, Relay, Fuse
Related codes
- P006ETurbocharger/Supercharger Boost Control A Supply Voltage Circuit Low
- P005BB Camshaft Profile Actuator A Control Stuck On Bank 1
- P005CB Camshaft Profile Actuator A Control Performance/Stuck Off Bank 2
- P005DB Camshaft Profile Actuator A Control Stuck On Bank 2
- P005FTurbocharger/Supercharger Boost Control B Supply Voltage Circuit High
- P0060HO2S Heater Resistance Bank 2 Sensor 2
- P0061HO2S Heater Resistance Bank 2 Sensor 3
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.