GWM Haval Jolion Pro remapping, coding and retrofits in Stoke‑on‑Trent

We hold 1 GWM Haval Jolion Pro engines across 1 generation, 2026 on. Pick yours below and message us with your reg for the exact figure.

VEXEN remaps, diagnoses and codes the GWM Haval Jolion Pro at our unit in Fenton, Stoke-on-Trent. We hold 1 Haval Jolion Pro engines across 1 generation, 2026 on. Stage 1 is £249 and Stage 2 is £349. Pick your engine below, or message us with your reg for the exact figure.

GWM Haval Jolion Pro

Choose your Haval Jolion Pro

Generation

What we can do for your Haval Jolion Pro

GWM Haval Jolion Pro remapping

Typical Stage 1 figures for all 1 Haval Jolion Pro engines, from 94bhp to 94bhp stock, with Stage 2 shown where the engine suits it.

Haval Jolion Pro remap

GWM Haval Jolion Pro diagnostics and coding

Dealer-level diagnostics for the Haval Jolion Pro: full module scanning, fault investigation, live data, adaptations, service resets and vehicle configuration. We find out why a warning light is on, not just clear it.

Diagnostics and coding

GWM Haval Jolion Pro pops and bangs and limiter removal

Pops and bangs and limiter removal are added to the Haval Jolion Pro remap software. Pops and bangs are £80 on top of the remap price; message us about limiter removal for your engine.

Haval Jolion Pro remap

GWM Haval Jolion Pro Apple CarPlay and Android Auto

Send us your reg and we will check whether your Haval Jolion Pro already has Apple CarPlay or Android Auto, and what it needs if not.

GWM Haval Jolion Pro FAQ

GWM Haval Jolion Pro questions

1 engines across 1 generation, 2026 on, 0 of them diesel. Pick yours on this page for the typical Stage 1 and Stage 2 gains.

Stage 1 is £249 and Stage 2 is £349. Pops and bangs are an extra £80, and Stage 1 with AdBlue or DPF/EGR work at the same time is £349.

At our unit: Unit 15 Fenpark Industrial Estate, Fenton, Stoke-on-Trent ST4 3JP. Open Mon to Fri 9am to 6pm and Saturday 10am to 5pm.

Still have a question? Message us with your reg and what you would like done.

07927 860502