VW T6.1
EA288 Evo with Bosch injection and 66 kW. Successor to the CXGD with improved exhaust cleaning.
Weakest T6.1 Engine
DNAC with 90 hp is too weak for the T6.1. Overwhelmed on the motorway.
Engine Weaknesses 4
The DNAC 2.0 TDI EA288evo (66 kW, VW T6.1/commercial vehicles) shares the EA288 family weakness with the regulated water pump. The control slide seizes on vehicles up to build week 36/2014, and later also from ageing. The engine overheats rapidly above 130 °C.
Symptoms: Red coolant temperature warning light, engine overheats quickly above 130 °C, coolant loss
EA288 Evo with Bosch injection is considered more robust than predecessors. High-pressure EGR remains. Coking is theoretically possible but less common so far.
Symptoms: Check engine light, power loss
EA288 Evo has a timing belt in an oil bath for the oil pump drive. No defined replacement interval. No widespread failures known to date.
Symptoms: Abrupt oil pressure loss on failure, check engine light
The DNAC EA288evo T6.1 66 kW, like all diesels from this family, tends toward EGR valve coking. In short-trip use the valve carbons up and triggers faults.
Symptoms: EGR fault code, hesitation under partial load, increased fuel consumption
Vehicle Weaknesses 8
Water ingress can cause Bowden cables in the door locking system to freeze in frost, creating a false lock. In the worst case doors open while driving. Recall 57H5/57I1 affects approximately 76,000 vehicles (build years 2019–2021).
The T6.1 electric sliding door uses fully electronic lock control with no mechanical backup. If the control unit fails — often due to a fully discharged battery — the door no longer responds.
Control arms made of unprotected grey cast iron as well as the underbody and cavities show initial rust formation after just 2–3 years. The factory sealant is considered inadequate. Professional corrosion protection is recommended immediately after purchase.
The diesel particulate filter only regenerates after approximately 15 minutes of motorway driving at over 600°C. With predominantly short-trip use, the filter fills up and from approximately 150,000 km causes knock-on failures. Oil dilution from post-injection possible.
The lower sliding door guide rail rusts through water accumulation and paint abrasion from the running roller. Surface rust sets in from the first winter. A known serial issue since T5/T6.
The slotted rubber bushings in the front control arms of Multivan/Comfortline variants wear significantly faster than the solid rubber variant in the Transporter. Knocking noises sometimes from 20,000 km.
The MIB3 infotainment system in the T6.1 freezes or restarts every 2–3 minutes. Without a firmware update or hardware replacement the problem returns.
The Webasto auxiliary heater in the T6.1 Multivan shuts off after a few seconds on its own. Common causes: too weak an auxiliary battery, empty tank, or CAN bus communication errors. Safety lockout requires diagnosis and reset.