Vehicle · Panel van & camper
VW Transporter (T5, T6, T6.1) Jumpstart
T5, T6 and T6.1 Transporter flat battery? Mobile jumpstart, AGM/EFB fitting and BMS coding across the West Midlands.
The T5/T6 platform gets called out for a mix of two reasons: worn AGMs on high-mileage panel vans, and drained leisure batteries on camper conversions where the split-charge relay has quietly failed.
We test both circuits, replace with the correct AGM spec, and where the camper hookup is at fault we'll flag it plainly rather than sell you a battery that'll be flat again next weekend.
Who calls us for this
Trade owners of high-mileage T5/T6 panel vans, VW camper enthusiasts back from a wet weekend away, and delivery contractors running T6.1 fleets.
What we actually see on these jobs
- T6.1 without BMS reset will overcharge a new AGM within weeks — we always reset.
- Camper T5s: we test the leisure circuit as well, no extra charge for the honesty.
- Rusted-through battery clamps on older T5s get replaced from van stock — we don't rely on hope and copper grease.
Key facts — VW Transporter
- Typical starter battery
- AGM 70–95Ah
- Common on
- T5.1 and T6 with stop-start
- Camper conversions
- Auxiliary leisure battery often the real culprit
- Coding
- Required via OBD on T6.1 for BMS reset
VW Transporter — specific questions
Q.Do you test the leisure battery too on a camper T5/T6?
Yes — most 'won't start' camper calls turn out to be a leisure-circuit fault feeding back through a failed split-charge relay.
Q.Is BMS coding really needed on a T6.1?
Yes. Without it the alternator overcharges the new AGM and its lifespan drops from years to months.
Q.Can you replace corroded battery terminals on the spot?
Yes — we carry lead terminals, clamps and a hydraulic crimp; no bodged copper wire fixes.
From call to key-turn
- 1
Call
Talk to a real engineer, not a call centre. Fixed price on the phone.
- 2
Route
We tell you our ETA and route via the fastest corridor — no vague windows.
- 3
Test & fit
On your driveway, in a car park, at the roadside — same process, honest result.
- 4
Recycle & warranty
Old battery taken away, warranty registered, all in one visit.
Related guides
General questions
Q.Can you help if I'm not with the car?
Sometimes — a driveway job with keys posted through the letterbox works. For car parks and depots we need someone at the vehicle for keys and payment.
Q.Do you take the old battery away?
Yes — proper lead-acid recycling included with every fit, no extra charge, no landfill.
Q.Do you charge a callout fee just to look?
No blind callout fee. You get a fixed price on the phone based on your postcode and vehicle before we set off — no surprises at the driveway.
In short
The Transporter fix is often not the obvious battery — we test both circuits and code properly, which is why our callbacks are rare.
Transporter flat? Starter or leisure — we'll find the real one.
Honest diagnosis, AGM stock on the van, BMS coding included.
Stranded with a flat battery?
Call now or send a WhatsApp — we'll confirm your quote and dispatch the nearest engineer.