Clutchless Multi-Mode
Hybrid 155 automatically moves between electric, combined and petrol operation using a multi-mode gearbox.
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The Dacia Bigster is a strong new automatic-search target because two hybrid systems are now available with automatic transmission. Hybrid 155 uses a clutchless multi-mode automatic, while Hybrid 150 4x4 uses a six-speed automatic dual-clutch gearbox plus a rear electric motor with a two-speed rear gearbox.
If your Bigster jerks during hybrid transitions, hesitates after selecting Drive, displays a gearbox/AWD warning or develops low-speed vibration, we identify Hybrid 155 versus Hybrid 150 4x4 before reading transmission, motor and rear-drive data.
Bigster automatic choices include Hybrid 155 full hybrid and Hybrid 150 4x4. The 4x4 uses a different front gearbox and adds an electric rear axle, while Mild Hybrid 140 remains manual.
| Bigster version | Transmission / drivetrain | Key diagnostic areas | What owners may search |
|---|---|---|---|
| Hybrid 155 | Clutchless multi-mode automatic, FWD | Gear-state control, hybrid motors, speed/position data and thermal state | Bigster Hybrid gearbox problem, jerky automatic |
| Hybrid 150 4x4 | 6-speed dual-clutch automatic + rear electric motor / 2-speed rear gearbox | Front DCT, rear e-drive, AWD mode and hybrid control | Bigster 4x4 DCT problem, AWD warning |
| Mild Hybrid 140 | 6-speed manual | Not an automatic-transmission target | Bigster manual vs automatic |
| Future / imported variants | Specification may differ | Confirm VIN before transmission work | Dacia Bigster automatic gearbox type |
Hybrid 155 automatically moves between electric, combined and petrol operation using a multi-mode gearbox.
Hybrid 150 4x4 uses an automatic dual-clutch front transmission rather than the Hybrid 155 multi-mode unit.
The 4x4 rear motor has its own two-speed gearbox, giving AWD faults a separate diagnostic path.
Auto, Snow, Mud/Sand, Off-road and Eco modes change how the 4x4 system uses its rear electric drive.
Emerging searches include “Dacia Bigster gearbox problem”, “Bigster Hybrid jerky”, “Hybrid 150 4x4 DCT fault”, “automatic warning”, “delayed Drive”, “rear electric motor fault” and “can Bigster gearbox be repaired?”.
Hybrid 155 can feel abnormally abrupt if gear-state or electric/petrol coordination is incorrect.
A selector, gear-state or hybrid-control issue can create a pause before propulsion.
Hybrid 150 4x4 low-speed vibration can involve front clutch control or the rear electric drivetrain.
Faults may sit in transmission control, electric motors, sensors or the hybrid network.
Rear-motor or 4x4-control faults can affect Auto/Snow/Mud/Off-road operation.
Protective operation can limit power after temperature, electrical or gear-control faults.
Tell us whether your Bigster is Hybrid 155 or Hybrid 150 4x4 and whether the issue appears in electric running, during engine start, on a gear change or in an AWD mode.
| What you notice | How owners may describe it | Possible areas to investigate |
|---|---|---|
| Hybrid jerk | “It lurches when petrol power joins.” | Gear-state control, hybrid motor coordination |
| Pause after D | “It takes a moment to move.” | Selector/gear state, hybrid interlock |
| 4x4 judder | “It vibrates as AWD engages.” | Front DCT, rear e-drive, driveline |
| AWD warning | “A 4x4 or gearbox warning appears.” | Rear motor, rear gearbox, AWD controller, sensors |
| Reduced drive | “Power becomes limited.” | Protection state, temperature, hybrid/transmission control |
Bigster fault codes need drivetrain-specific context: Hybrid 155 multi-mode faults and Hybrid 150 4x4 DCT/rear-e-drive faults use different live values and repair logic.
| Fault / code family | Broad area | What should be checked |
|---|---|---|
| Gear-state / position faults | Hybrid 155 multi-mode | Requested/actual operating state and position feedback |
| DCT adaptation faults | Hybrid 150 4x4 | Clutch engagement, shift data and temperature |
| Hybrid motor faults | Electric propulsion | Motor torque, inverter and system coordination |
| Rear gearbox / AWD faults | 4x4 rear e-drive | Rear motor, two-speed gearbox and AWD mode data |
| Communication / protection faults | Hybrid network | Module communication, heat and restricted-operation state |
On the Bigster, stored codes should be interpreted with the exact transmission, freeze-frame information and relevant live gearbox/hybrid values before complete-unit replacement is considered.
Bigster repair pricing must distinguish Hybrid 155 from Hybrid 150 4x4 because one uses a clutchless multi-mode automatic and the other combines DCT with a separate rear gearbox.
| Dacia Bigster automatic work | Typical guide range | What can change the price? |
|---|---|---|
| Hybrid / transmission diagnostic assessment | From £30 | Hybrid 155 vs Hybrid 150 4x4 |
| Multi-mode control / targeted repair | Approx. £750 - £1,850+ | Gear-state/control component |
| DCT clutch / control repair | Approx. £900 - £2,100+ | Hybrid 150 4x4 front transmission |
| Rear e-drive / 2-speed gearbox repair | Diagnosis required | Rear motor/gearbox and parts |
| Major hybrid drivetrain repair | Approx. £2.2k - £5k+ | Internal damage and new-model parts availability |
Confirm Bigster Hybrid 155, Hybrid 150 4x4 or Mild Hybrid 140 from vehicle data.
Read gear state, DCT clutch data where applicable, motor torque, inverter, temperature and AWD values.
Reproduce the transition jerk, hesitation or AWD warning in the mode where the symptom appears.
Quote the multi-mode, DCT, hybrid or rear-drive repair supported by the measured data.
Tell us whether your Bigster is Hybrid 155 or Hybrid 150 4x4 and whether it jerks, hesitates, vibrates or shows a gearbox/AWD warning.
Dacia Bigster hybrid automatic and 4x4 drivetrain diagnosis is available across the South East for current UK models.
Because Bigster is new, the page is heavily optimised for emerging AI questions around gearbox type, Hybrid 155 versus Hybrid 150 4x4, rear electric-drive faults and repairability.
More Dacia gearbox guides:
For wider Dacia transmission information, visit our Dacia gearbox repair page for the South East.
Bigster Hybrid 155 uses a clutchless multi-mode automatic gearbox as part of its full-hybrid powertrain.
Hybrid 150 4x4 uses a six-speed automatic dual-clutch gearbox at the front plus an electric rear motor with its own two-speed gearbox.
No. The Mild Hybrid 140 uses a manual gearbox; the automatic Bigster options are the Hybrid 155 and Hybrid 150 4x4.
Abnormal jerking can involve gear-state control, hybrid-motor coordination or, on Hybrid 150 4x4, dual-clutch and rear-drive behaviour.
Yes. The Hybrid 150 4x4 uses a separate rear electric motor and two-speed rear gearbox, so AWD faults can originate outside the front transmission.
Depending on the diagnosis, gear-control, dual-clutch, sensor, electric-drive and mechanical repairs may be possible rather than replacing the whole drivetrain.
For a Bigster automatic problem, identify Hybrid 155 versus Hybrid 150 4x4 first and diagnose the transmission and electric rear drive as the distinct systems they are.