Active Roll Control for Jaguar & Land Rover — Enable Active Roll Control (ARC) for reduced body roll and improved handling. Set in software via the CCF and coded to your VIN / As-Built over the OBD port — remote & mobile.
What this activation does
- Activates Active Roll Control on supported Jaguar & Land Rover vehicles (model years 2010–2026).
- Applied by editing your Car Configuration File (CCF) and writing it back against your As-Built — the setting holds through ignition cycles.
- Parameter reference: EUCD238. Coded to your VIN over OBD.
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Hardware required — not supplied: This is a software activation only. The required hardware (active anti-roll bars) must already be fitted to your vehicle before ordering — we do not supply or fit parts.
Key terms explained
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CCF (Car Configuration File): The master list of feature flags stored in the vehicle. Setting a value here switches a factory feature on or off. All of these activations are done by editing the CCF, not by fitting parts.
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As-Built: Your vehicle’s original factory configuration record, tied to the VIN. Every change is written back against your As-Built so the car stays consistent with JLR records.
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Coded to your VIN: The change is applied to your specific vehicle over the OBD diagnostic port — remote and mobile, no bench work and no new hardware.
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Error / Undefined: Factory enumeration place-holders that exist inside the parameter list. They are not real choices — do not select them.
The CCF parameters behind the Active Roll Control
The dropdown above maps to these values in the Car Configuration File:
| CCF address |
Parameter |
Block |
Byte |
Bits |
Values (from the CCF data set) |
| 0x2287 |
Active Roll Control |
0x22 |
8 |
7–0 |
01 = not fitted, 02 = fitted (active anti-roll bars). |
| 0x0F67 |
Roll Stability |
0x0F |
6 |
7–0 |
01 = without, 02 = with roll stability control. |
| 0x0C57 |
Active Suspension (CCC) |
0x0C |
5 |
7–0 |
01 = without continuously controlled chassis, 02 = with CCC active damping. |
The Active Roll Control option enables the active anti-roll system that stiffens the bars in corners. It needs the active roll bars and dampers fitted. Where the hardware is present but the feature was never enabled we switch it on; software cannot add roll bars that are not fitted — we check your As-Built first and set only what your car carries.
The Active Roll Control option on Jaguar Land Rover — 2013 to 2026
Earliest model year the options existed on each line:
| Model |
Platform |
Model years |
Notes |
| Range Rover Sport / SVR |
L494 / L461 |
2015–2026 |
Active roll control where the roll bars are fitted. |
| Land Rover Defender |
L663 |
2019–2026 |
Roll control and stability on the current Defender. |
| Range Rover / Range Rover Sport |
L405 / L460 |
2013–2026 |
Active roll and suspension options on the current platforms. |
Earliest model year active roll control existed on each line; needs the roll bars and dampers fitted. We confirm by VIN.
Two ways we switch this on — both remote, no parts
Depending on model year and architecture, the Active Roll Control is enabled by one of two methods. We pick the correct one for your VIN — you do not need to know which in advance.
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CCF editing over OBD — on cars that carry the active roll bars and dampers we set the roll-control values above in the Car Configuration File, write them back against your As-Built, then re-configure the chassis modules so active roll control works.
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OEM-tool online configuration — where the module holding the flag needs its configuration re-issued from the manufacturer’s programming database rather than a direct CCF value, the same result is completed remotely through the OEM diagnostic tool’s online configuration for that module.
Either route is performed over the OBD diagnostic port, remote and mobile, with no bench work and no parts. The change is reversible the same way.
Activation Type:
Chassis & Drivetrain
Fitment Type:
Cable / hardware required
JLR Model / Generation:
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Range Rover Gen4 (2013-2021)
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Range Rover Gen5 (2022-2026)
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Range Rover Sport Gen2 (2014-2022)
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Evoque Gen1 (2012-2019)
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Evoque Gen2 (2019-2026)
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Velar (2017-2026)
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Discovery 5 (2017-2026)
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Discovery Sport (2015-2026)
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Defender (2020-2026)
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XE (2015-2024)
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F-Pace (2016-2026)
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E-Pace (2018-2024)
SW Code:
SW289 — Active Roll Control