Volkswagen Transporter T5 Essentials (2009-2014) – Fuse Box Diagrams

Volkswagen Transporter T5 Essentials (from September 2009 to 2014), including the revised T5.1, uses more than one fuse carrier. The most relevant are SF under the left front seat, SD in the engine-bay electronics housing, SB and SC in the central lower dashboard, and the high-current SA distribution block in the engine bay.

The tables below retain all 156 fuse entries and variants of the original Polish article, including manufacturer equipment notes and unoccupied positions. Where the old transcription merged footnote numbers into amperage (for example SC3 as “101 A”), the corrected values have been checked against a Volkswagen service fuse-position document for a 2012 Transporter CAAC. That document describes a specific engine and equipment configuration, not every van, so some variants are deliberately shown side by side. The vehicle’s factory fuse label and its wiring diagram take precedence.

Where are the fuse boxes in a VW Transporter T5.1?

SF under the left front seat: move the seat to gain access to the seat base, switch off the ignition and remove the designed front/side cover of the left seat pedestal. SF covers accessory and rear equipment, including three sockets, optional heaters, towbar wiring and sliding door systems. Seat-base access and installed fuse positions differ in vans with second battery or camper conversion.

SB and SC in the centre dashboard: release the lower middle dashboard service cover. Two separate carriers, B and C, are mounted next to each other. Read the carrier’s letter first: SB10 and SC10 are different fuses even though the number is the same. Avoid damaging the retaining brackets when lowering a carrier.

SD in the engine compartment: open the bonnet and locate the sealed engine electronics fuse housing. SD contains smaller engine, DSG, ABS, lighting and fuel-system fuses. Some VW layouts show SD in the left engine bay rather than the right described in older secondary charts; identify the covered electronics housing in the actual van.

SA high-current distribution: the main power link carrier near the engine-bay battery feeds alternator, ABS, fans and body wiring. The 50-225 A links require proper electrical isolation and, when applicable, professional servicing.

Fuse holder F – SF1 to SF36 under left seat

The original ESSENTIALS list shows 36 socket numbers, plus alternative documented SF10 and SF24 fuse values. SF11 (15 A) is the cigar lighter. SF22 and SF23 each supply a separate 15 A 12 V outlet. SF7’s precise rating varies with the outlet versus the optional 115/230 V inverter; check the actual vehicle fuse assignment card.

Fuse holder D – SD1 to SD36, engine electronics box

This panel contains main ECU control, ABS, fuel and cooling electronics, DSG mechatronics, headlamp controls and the pump and EGR circuits. SD10 has both a 5 A and a 15 A application depending on engine. Position SD32 also depends on diesel or petrol power distribution. The 2012 VW CAAC workshop diagram gives additional production-dependent circuits, so these rows must be checked against the van’s exact engine code.

Fuse holder B – SB1 to SB36 in centre dashboard

The upper/lower dashboard carrier includes steering angle, onboard supply control J519, starter and ignition switches, front lights, airbag supply, wipers, radio and diagnostic connector. Some lighting, tailgate and sliding-door functions require specific factory options, including an overhead console.

Fuse holder C – SC1 to SC36 in centre dashboard

SC feeds trailer electronics, alarm and taxi-related options, 4MOTION rear differential locking, climate systems, instruments, heated seats and camper / auxiliary heater functions. SC3 is 10 A for Red Cross warning equipment or 15 A for taxi-alarm equipment in the verified workshop example, not the erroneous 101 A reproduced in secondary fuse charts.

High-current fuse holder A – SA1 to SA9

SA is the high-amperage distribution unit in the engine compartment. The available service drawing lists variant ratings for alternator output, second battery charging, auxiliary fan and main positive supply branches; not every Transporter has the same configuration. No circuit should be bridged or fitted with a higher fuse merely because another vehicle is listed with that value.

Important T5 equipment and engine code differences

The diagrams apply primarily to the T5 ESSENTIALS service arrangement revised from September 2009. VW made further changes in later years, including additional electronics and fuse positions in some models. Engine codes CAAA, CAAB, CAAC and CCHA use specific diesel circuits, while the AXA petrol engine has different fuel and exhaust control wiring. Taxi, emergency service, camper and double-battery versions require dedicated fuse assignments.

Factory documents list some fuse alternatives by terminal and equipment option rather than simply by year. A blank slot in an unconverted van may carry a fitted circuit in a camper or a vehicle with power sliding doors. The 2012 service manual used to clarify merged annotations here describes a CAAC engine with KUP gearbox, so it should not override the label of a different vehicle.

Common Transporter T5 electrical faults

Cigarette lighter dead: inspect SF11 (15 A) under the left front seat. Second and third 12 V sockets: look at SF22 and SF23 (15 A each). A fused aftermarket camper circuit may not use the factory assignments.

Radio or navigation inoperative: SB33 (30 A) powers the original radio/nav controller in the documented circuit. Rear sliding door stopped responding: inspect the relevant 40 A SF34 for the right power sliding door or the equipment-specific SC11 for the left, and diagnose the door motor and wiring.

Cooling fan warning: SD1 supports the radiator fan controller; SA7 protects a major high-current fan feed. ABS warning: SD6 is a 30 A ABS controller feed in the archived diagram, while SA5 is a high-current ABS supply. If these are correct, use VW diagnostic trouble codes before replacing parts.

Engine no-start: check the starter and engine controller supply for the fitted engine, including SD9/SD20 and SB21/23 where applicable. A faulty ignition switch or relay can give similar symptoms. Diesel glow plug issues: SA6 may feed the glow-control system, but it must not be confused with the petrol secondary-air pump variation.

For a separate manufacturer and generation, the English Ford Galaxy Mk2 guide illustrates a different multi-carrier layout. Its positions are not interchangeable with Volkswagen SF, SD, SB, SC or SA fuse numbers.