Parts Guide
BATTERY Volkswagen T-Roc · PARTS GUIDE

Volkswagen T-Roc Battery: Specs, Fitment & Common Faults

A genuine, well-documented VW Group requirement: the T-Roc's replacement battery needs to be "coded" to the car's Gateway module — here's what that actually involves.

Illustration of a 12V car battery Illustration for editorial purposes

OEM Part Number: 000915105CC

Accuracy note: genuine VW part number confirmed directly from VW's own parts store, shared across the wider VAG range — Start/Stop variants explicitly require EFB or AGM, with a control unit update step needed on some builds after replacement.
Genuine reference (also cross-referenced as 000915089BC, 7L0915105, 7P0915105E)VW OEM: 000915105CC
1.0/1.5 TSI petrol, standard fitment242-278mm case, EFB, 65-75Ah, 600-700A (EN)
2.0 TDI diesel, Start/StopAGM technology, 70Ah, 760A (EN) — a standard lead-acid battery isn't sufficient for the frequent cycling involved

Confirmed: The T-Roc Genuinely Needs the Battery "Coded" After Replacement — Volkswagen T-Roc Battery

This is worth understanding before assuming a simple swap is the end of the job: VW Group vehicles with a Battery Management System (essentially any model with stop-start) need the new battery's details — capacity, chemistry, and serial number — registered to the car's Gateway module, a process usually called battery coding or registration. Skip this, and the car's charging strategy keeps assuming the old, worn battery is still fitted, which can lead to overcharging or undercharging the new one and shortening its life prematurely. This can genuinely be done with widely available aftermarket tools like VCDS or OBDeleven, not exclusively at a VW dealer with their ODIS system — worth knowing if you're comparing quotes or considering doing it yourself.

A genuinely useful, specific detail: the coding process reads a Part Number, Vendor Code, and Serial Number printed on the battery's own label — budget or generic aftermarket batteries sometimes lack a valid one of these, which can cause the coding process to fail outright. If a battery's exact new part number is rejected during coding, using the original (pre-supersession) part number instead sometimes resolves it. Genuinely worth choosing a battery from a reputable supplier with proper VAG-compatible labelling rather than the cheapest generic option specifically for this reason.

The Part Everyone Blames First, Not Always Correctly

A car that won't start gets blamed on the battery more often than any other component, and it's right often enough to make that assumption a reasonable first check. But it's not always the actual cause, which is worth knowing before spending money on a replacement that doesn't fix anything.

Volkswagen T-Roc Battery reference plate
Before you buy: battery size, capacity and type (standard vs AGM/EFB for stop-start systems) vary by trim and engine. Always confirm against your VIN before ordering.

What It Does

The 12V battery provides the power needed to start the engine and runs electrical systems when the engine isn't turning. On cars with stop-start technology, the battery works much harder than on older designs, since the engine switches off and restarts far more frequently — which is exactly why these cars need a specific AGM or EFB battery type rather than a standard unit.

Shop for This Part on eBay

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Warning Signs, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Battery Guide for warning signs to watch for, confirming fitment against your VIN, and matching the right technology (standard, EFB, AGM) when buying aftermarket.

More Volkswagen Battery

The same part, covered across other Volkswagen models.