VW up! 1(AA) — Problems & Common Faults
Weaknesses, engine ratings and buying advice
The up! is VW's cheapest city car — since 2011 as petrol, CNG, and electric (e-up!), discontinued in 2023. Platform siblings: SEAT Mii and Skoda Citigo. Designed for urban mobility, surprisingly grown-up for its size.
Engine choice: The CHYA (1.0 MPI, 60 hp) is the entry — simple and robust, but the timing belt must be changed every 3 years or 30,000 miles (unusually short!). The 1.0 TSI (90 hp) in GTI trim is more fun, same belt schedule. The CPGA (1.0 CNG) is extremely cheap to run, but the fueling network is shrinking. The EUP-ED2 (e-up! Gen 2, 32 kWh) is the ideal city EV, but DC charging tops out at 40 kW. Avoid the ASG automated manual — "slow and jerky" (What Car?), clutch failures under 5,000 miles documented.
Weaknesses: ASG clutch is the most expensive problem (up to $1,400). Rust around fuel door, underbody, and exhaust on older examples. 12V battery on the e-up! is a constant topic.
Test drive: Test ASG for juddering. Check underbody and fuel door for rust. Demand belt change proof! For e-up!: test 12V battery status and charging function.
Market 2026: Petrol from $1,600, newer from $5,500. e-up! Gen 2 from $7,500.
Insider pick: A CHYA (1.0 MPI) with manual 5-speed (no ASG!) and current timing belt is the safest choice.
115 PS
up! · Benzin
Little Rocket with GTI DNA
Fun to Drive!60–75 PS
1.0L MPI Benzin
5 weaknesses
Good ChoiceEngine Overview
The VW up! 1 is available with 8 engine variants — from 60 to 115 hp. 3 variants had engine changes — the model year is crucial.
The CPGA is the CNG natural gas engine in this city car — same 1.0-liter three-cylinder as the CHYA but optimized for dual-fuel operation (natural gas + petrol). Extremely frugal on CNG (under 3 kg/100 km). CNG tanks require inspection every 10 years — steel tank corrosion is a safety concern. Spark plugs wear faster due to hotter CNG combustion, plan shorter change intervals. The electronic gas pressure regulator can leak. CNG injectors occasionally fail individually. The shrinking natural gas station network makes CNG drive a niche choice in 2026.
- !! Corrosion on CNG Pressure Tank from 100,000 km
The CNG pressure tank of the Seat Mii Ecofuel develops rust at valve connections and gas lines. The absence of wax protection is the cause. MOT fails. Repair costs exceed the vehicle value.
Symptoms: Visible rust on gas tank, MOT failure, tank shut-off by workshop - !! Recall 24DQ: Gas Lines Insufficiently Tightened
CNG lines fitted with insufficient torque (recall 24DQ, 2018 build). Nut connections can loosen and lead to gas leaks.
Symptoms: Gas smell, CNG pressure drop, CNG system warning lamp - !! CNG Injector — Single Cylinder Failure from 100,000 km
On the 1.0 CNG CPGA individual gas injectors can fail. A faulty injector causes power loss and rough running in gas mode.
Symptoms: Hesitation in CNG mode, power loss, rough engine, switching to petrol immediately improves running
+ 2 more engine weaknesses + vehicle weaknesses
The CHYA is a 1.0-litre three-cylinder MPI — the base engine in this city car. Simple, robust and frugal. The manufacturer rates the timing belt as a lifetime component; depending on the edition, the service schedule calls for a visual inspection from 150,000 or 240,000 km and every 30,000 km thereafter, while franchised dealers additionally quote 180,000 km or ten years as the replacement limit. Ignoring the belt risks engine damage on this interference engine. Three-cylinder vibrations stress the engine mounts harder than on four-cylinders, replacement from 80,000 km is not unusual. Crankcase ventilation can clog at high mileage. Overall a good-natured engine that rewards punctual belt inspection with a long life.
- !! Timing belt: check lifetime rating from 150,000 km
The manufacturer rates the timing belt as a lifetime component; depending on the edition the service schedule calls for a visual inspection from 150,000 or 240,000 km and every 30,000 km thereafter, dealers quote 180,000 km or ten years as the replacement limit. A snapped belt causes severe damage on this interference engine.
Symptoms: No prior warning; with age fine cracks at the tooth roots, occasionally a clicking from the belt drive — preventive visual inspection strongly recommended. - ! Crankcase ventilation clogged from 120,000 km
The 1.0 MPI tends to develop crankcase ventilation issues at higher mileages, which can lead to slight oil consumption. Regular oil level checks recommended.
Symptoms: Slight oil consumption, bluish smoke on cold start, oil film on air filter housing - ! Ignition coil faulty from 80,000 km
Faulty ignition coils are a known issue on small engines of this era. Misfires and MIL are typical signs. Replacement is inexpensive.
Symptoms: Engine stumbling, power loss, MIL, rough idle
+ 2 more engine weaknesses + vehicle weaknesses
EA211 1.0 MPI three-cylinder naturally aspirated with 75 hp — the entry-level engine. No turbocharger, no direct injection, making it technically simple and low-maintenance. The timing belt has no fixed replacement interval: workshops recommend a first visual inspection by 90,000 km at the latest, the service schedule calls for checks from 150,000 or 240,000 km, and it should be replaced after ten years at most because of ageing. Power is sufficient for city driving, struggles on motorway inclines. Three-cylinder vibrations noticeable but within bounds. Few documented problems, one of the most trouble-free engines in the VW line-up.
- !! Timing belt — no fixed replacement interval from 120,000 km
VW does not specify a mandatory replacement interval. Visual inspection from 90,000 km is recommended. A belt failure risks total valve train damage as the engine is an interference design.
Symptoms: Ticking or whining from the engine bay at certain RPM ranges. On failure: sudden engine stop. - !! Gearbox shaft seal — driveshaft oil loss from 60,000 km
Vehicles built before October 2014 have a leaking shaft seal at the driveshaft flange. Gearbox oil loss without timely top-up leads to gearbox damage.
Symptoms: Oil spots under the vehicle, stiff engagement of first gear and reverse when cold. - ! Exhaust system corrodes — short-trip operation from 100,000 km
The 1.0 MPI as a typical city engine is frequently used on short trips. Condensation water does not fully evaporate in the exhaust system, leading to premature corrosion.
Symptoms: Droning or ticking from the exhaust area, visible rust on the tailpipe and centre silencer.
+ 2 more engine weaknesses + vehicle weaknesses
The smallest VW engine of the current era — 1.0L MPI three-cylinder with 48 kW in the facelift of this city car. No turbocharging, no direct injection, no start-stop in the base version. Technically as simple as possible. Vibrations are three-cylinder typical, refinement not a selling point. Timing chain, oil change every 15,000 km. The few weaknesses concern ignition coils (tight packaging) and the thermostat housing. Perfectly adequate for city traffic, on the motorway at the acoustic pain threshold from 120 km/h.
- !! Oil-Bath Timing Belt – Maintenance Often Neglected from 120,000 km
The DSGC Evo uses a timing belt in an oil bath. VW markets it as low-maintenance, which tempts owners into long change intervals. With aged oil, rubber fragments detach.
Symptoms: No warning signs. Rubber debris visible in oil at oil change. On failure: no-start and engine damage. - !! Failed Ignition Coil – Three-Cylinder Rough Running from 90,000 km
The three-cylinder reacts more sensitively than a four-cylinder to an ignition coil failure, since one third of the cylinders are affected. In damp conditions or with age, ignition coils can fail sporadically.
Symptoms: Strong juddering, especially in wet conditions. Engine warning light with misfire fault codes (P030x), significant power loss. - !! Increased oil consumption — piston ring issue from 80,000 km
Early 1.0 MPI engines had piston ring problems. VW redesigned rings in 2016. Post-update engines significantly better.
Symptoms: Blue smoke, rapidly dropping oil level between changes
+ 1 more engine weaknesses + vehicle weaknesses
The CHYA is a 1.0-litre three-cylinder MPI — the base engine in this city car. Simple, robust and frugal. The manufacturer rates the timing belt as a lifetime component; depending on the edition, the service schedule calls for a visual inspection from 150,000 or 240,000 km and every 30,000 km thereafter, while franchised dealers additionally quote 180,000 km or ten years as the replacement limit. Ignoring the belt risks engine damage on this interference engine. Three-cylinder vibrations stress the engine mounts harder than on four-cylinders, replacement from 80,000 km is not unusual. Crankcase ventilation can clog at high mileage. Overall a good-natured engine that rewards punctual belt inspection with a long life.
- !! Timing belt: check lifetime rating from 150,000 km
The manufacturer rates the timing belt as a lifetime component; depending on the edition the service schedule calls for a visual inspection from 150,000 or 240,000 km and every 30,000 km thereafter, dealers quote 180,000 km or ten years as the replacement limit. A snapped belt causes severe damage on this interference engine.
Symptoms: No prior warning; with age fine cracks at the tooth roots, occasionally a clicking from the belt drive — preventive visual inspection strongly recommended. - ! Crankcase ventilation clogged from 120,000 km
The 1.0 MPI tends to develop crankcase ventilation issues at higher mileages, which can lead to slight oil consumption. Regular oil level checks recommended.
Symptoms: Slight oil consumption, bluish smoke on cold start, oil film on air filter housing - ! Ignition coil faulty from 80,000 km
Faulty ignition coils are a known issue on small engines of this era. Misfires and MIL are typical signs. Replacement is inexpensive.
Symptoms: Engine stumbling, power loss, MIL, rough idle
+ 2 more engine weaknesses + vehicle weaknesses
Three-cylinder turbocharged petrol engine with direct injection and 999 cubic centimetres of displacement. Valve timing runs on a dry, externally mounted timing belt — not an oil-bath belt as used by some competitors. The manufacturer specifies a replacement interval of 120,000 to 150,000 kilometres or five years, though an initial inspection from around 90,000 kilometres is advisable, since an aged belt can shed rubber particles that clog the oil circuit. As a direct-injection unit without port injection, the engine is prone to carbon buildup on the intake valves, noticeable as a rougher idle and reduced low-end pull. The combined coolant module housing the water pump and thermostat is a known wear point. The turbocharger occasionally develops a rattling noise from the wastegate linkage, caused by differing thermal expansion of the materials involved — usually harmless but audibly annoying. Overall the unit is considered robust as long as oil-change intervals are respected and the timing belt is replaced on schedule.
- !! Timing belt failure — engine damage without warning from 70,000 km
The CHZA 1.0 TSI (EA211) uses a dry timing belt instead of a chain. If the intended interval (120,000–150,000 km or five years, first visual inspection from 90,000 km) is exceeded or oil contaminates the belt, breakage with immediate engine damage is possible.
Symptoms: Engine suddenly fails to start, no compression, jump-starting does nothing, no prior warning - !! Wastegate rattles — turbocharger actuator from 60,000 km
The wastegate linkage wears due to the differential thermal expansion of aluminium and steel. Rattling between 2,000–2,500 rpm is widespread across the EA211 TSI family.
Symptoms: Metallic rattling under acceleration in the 2,000–2,500 rpm range. Disappears on lift-off. - !! Intake valves coked — direct injection from 80,000 km
As a turbocharged direct-injection engine, the CHZA has no fuel wash of the intake valves. Oil mist carbonises on the valves. Short-trip driving accelerates the coking process significantly.
Symptoms: Stumbling at part throttle, rough idle, power loss at low RPM.
EA211 Evo 1.0 TSI three-cylinder. Identical platform to DKLA with slightly different tuning. Wastegate rattling at cold start is the most common reported symptom, usually cosmetic. Camshaft adjuster screws can loosen — note TPI 2038019/4. Injectors from 2018–2020 had increased leak rates, revised afterward. Intake valve carbon buildup from around 80,000 km. Economical daily driver without major surprises.
- !! Camshaft Adjuster Bolt Loose — Recall EA211 from 50,000 km
Vehicles with EA211 engines (incl. DKRF) from certain production years can have loose bolts on the camshaft adjuster. Timing belt snap and engine damage possible.
Symptoms: Rattling after cold start, power loss, in worst case abrupt engine failure - !! Wastegate Rattling and Turbocharger Wear from 60,000 km
The wastegate valve on the small turbocharger rattles when lifting off and can wear early (from 13,000–50,000 km). With advanced wear, bearing problems follow with power loss and oil contamination on the intake side.
Symptoms: Characteristic clattering or knocking when lifting off, power loss, EPC warning light, whistling when accelerating - !! Elevated Oil Consumption from 100,000 km
Piston ring coking and valve stem seal wear lead to measurable oil consumption of 0.5–1 litre per 1,000 km at higher mileages. Early evo variants (up to 2016) were more frequently affected; VW improved piston rings.
Symptoms: Frequent oil top-ups, bluish smoke on cold start or under load, slight oil smell
+ 2 more engine weaknesses + vehicle weaknesses
The EUP-ED is the electric drivetrain of this first-generation city car — 18.7 kWh battery, real-world range 80–130 km. Main issue is the 12V auxiliary battery: deep discharge via the DC/DC converter is the most discussed topic for this drivetrain. Solution: check AGM battery regularly, replace preventively if needed. VW recall for fire risk from moisture in the HV battery (2019) — check recall status. Brake discs rust from recuperation (mechanical brakes rarely used). Charging control module can fail — charging impossible.
- !! Recall High-Voltage Battery Fire Risk
KBA recall due to a suboptimally executed adhesive seam in the HV battery housing through which moisture can ingress. Approximately 122 vehicles affected worldwide (production May–June 2020). Remedy: sealing with a wax protection layer.
- !! Recall: Moisture in HV Battery — Fire Risk
VW recalled e-up models in 2022 because defective adhesive seams in the HV battery housing allow moisture to enter. Damp cells can cause short circuits and elevated fire risk.
Symptoms: Usually no symptoms before recall; in isolated cases HV fault code, battery capacity loss - !! 12V Battery Deep Discharge via DC/DC Converter
The DC/DC converter stops charging the 12V battery once the high-voltage battery drops below 10–15% state of charge. With extended parking the 12V battery discharges deeply and the vehicle refuses to start.
Symptoms: Warning message 'electrical system', vehicle won't start after several days parked, WeConnect app no longer responding
+ 2 more engine weaknesses + vehicle weaknesses
This second-generation permanent-magnet synchronous motor pairs with a traction battery built from 168 pouch cells wired in series and parallel groups, totaling roughly 36.8 kilowatt-hours gross and about 32.3 usable; the manufacturer backs it with an eight-year, 160,000-kilometer warranty. For a limited production window around 2020, the cell supplier flagged potentially damaged cells, prompting a precautionary recall in which affected vehicles had the entire high-voltage battery replaced along with a control-unit update to rule out a short-circuit risk. No systemic damage to the motor itself has been documented, and the drive unit is regarded as robust and durable; the real weak point of this generation was an isolated faulty cell batch rather than the motor or charging technology as such.
- !! HV System Shutdown — Vehicle Stranded from 20,000 km
On the revised e-up (2020+) the HV system shuts down unexpectedly, leaving the vehicle unable to move. The trigger is often the discharged 12V battery in combination with software errors.
Symptoms: Warning message 'electrical system fault — pull over!', complete loss of drive, no restart possible - !! 12V Battery Deep Discharge via DC/DC Converter
Even on the facelift the DC/DC converter stops charging the 12V battery when the HV pack drops below approximately 15%. With extended parking the 12V battery discharges deeply, and the software update reduces but does not completely eliminate the problem.
Symptoms: Warning message 'electrical system', vehicle won't start, WeConnect app won't connect - !! Intermittent HV Battery Fault Codes
Fault codes P30DF00 (balancing charge HV→12V), P0B3C00 (implausible battery signal) and blower controller faults appear repeatedly on older vehicles. Cause is usually 12V battery degradation; HV battery defects are rare.
Symptoms: Electrical system warning light, reduced range, occasional failure to start
+ 2 more engine weaknesses + vehicle weaknesses
The CPGA is the CNG natural gas engine in this city car — same 1.0-liter three-cylinder as the CHYA but optimized for dual-fuel operation (natural gas + petrol). Extremely frugal on CNG (under 3 kg/100 km). CNG tanks require inspection every 10 years — steel tank corrosion is a safety concern. Spark plugs wear faster due to hotter CNG combustion, plan shorter change intervals. The electronic gas pressure regulator can leak. CNG injectors occasionally fail individually. The shrinking natural gas station network makes CNG drive a niche choice in 2026.
- !! Corrosion on CNG Pressure Tank from 100,000 km
The CNG pressure tank of the Seat Mii Ecofuel develops rust at valve connections and gas lines. The absence of wax protection is the cause. MOT fails. Repair costs exceed the vehicle value.
Symptoms: Visible rust on gas tank, MOT failure, tank shut-off by workshop - !! Recall 24DQ: Gas Lines Insufficiently Tightened
CNG lines fitted with insufficient torque (recall 24DQ, 2018 build). Nut connections can loosen and lead to gas leaks.
Symptoms: Gas smell, CNG pressure drop, CNG system warning lamp - !! CNG Injector — Single Cylinder Failure from 100,000 km
On the 1.0 CNG CPGA individual gas injectors can fail. A faulty injector causes power loss and rough running in gas mode.
Symptoms: Hesitation in CNG mode, power loss, rough engine, switching to petrol immediately improves running
+ 2 more engine weaknesses + vehicle weaknesses
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Rust around fuel filler and front wings Pre-facelift models up to 2016 without wheel arch liners collect dirt at the fuel filler, leading to paint damage and corrosion of the body panel. In extreme cases VW replaces the entire side panel (cost up to 4,000 €). Symptoms: Small rust bubbles or paint flakes around the fuel cap; rust on wheel arch edges; paint bubbling at door handles from 80,000 km | Medium | |
| Inadequate underbody corrosion protection The underbody of the up! sometimes has insufficient factory corrosion protection. The exhaust rusts through quickly with short-trip use. Retroactive cavity and underbody sealing is recommended. Symptoms: Surface rust visible on underbody during inspection; rusty exhaust on short-trip vehicles; heat shield rattling on exhaust from 80,000 km | Low | |
| Exhaust system: heavy corrosion and loose heat shields The exhaust system on the up! rusts through after just a few winters, especially with short-trip use. Heat shields come loose and rattle. The rear silencer and centre silencer are frequently affected and can become an inspection failure. Symptoms: Rattling noise from under the vehicle floor; rattling over road bumps; visible rust on the rear silencer; hissing from the exhaust area from 60,000 km | Low |
Test Reports
TÜV Report 2022
The up! ranks among the best small cars at MOT and shows barely any noteworthy faults.
2021-11ADAC Breakdown Statistics 2020
The up! shows a pleasingly low breakdown frequency and ranks among the most reliable city cars.
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Known Problems and Issues +
A total of 53 weaknesses have been documented for the VW up! 1 (2011–2023) — 37 engine-related and 16 vehicle-related. Typical issues affect Rust, Gearbox, Suspension, Electronics. Considered reliable: CHYA (1.0L MPI).
up! (CHYB, 2011–2016) — Be Careful: Timing belt — no fixed replacement interval, Gearbox shaft seal — driveshaft oil loss, Exhaust system corrodes — short-trip operation. Power: 75 PS.
up! (CHZA, 2016–2018) — Be Careful: Timing belt failure — engine damage without warning, Wastegate rattles — turbocharger actuator, Intake valves coked — direct injection. Power: 90 PS.
up! (DKRF, 2018–2023) — Be Careful: Camshaft Adjuster Bolt Loose — Recall EA211, Wastegate Rattling and Turbocharger Wear, Elevated Oil Consumption. Power: 116 PS.
up! (DSGC, 2020–2023) — Be Careful: Oil-Bath Timing Belt – Maintenance Often Neglected, Failed Ignition Coil – Three-Cylinder Rough Running, Increased oil consumption — piston ring issue. Power: 60–65 PS.
up! (CPGA, 2012–2019) — Be Careful: Corrosion on CNG Pressure Tank, Recall 24DQ: Gas Lines Insufficiently Tightened, CNG Injector — Single Cylinder Failure. Power: 68 PS.
up! (EUP-ED, 2013–2019) — Be Careful: Recall High-Voltage Battery Fire Risk, Recall: Moisture in HV Battery — Fire Risk, 12V Battery Deep Discharge via DC/DC Converter. Power: 82 PS.
up! (EUP-ED2, 2019–2024) — Be Careful: HV System Shutdown — Vehicle Stranded, 12V Battery Deep Discharge via DC/DC Converter, Intermittent HV Battery Fault Codes. Power: 83 PS.
What to watch out for with the VW up!? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
What problems and weaknesses does the VW up! 1 have? +
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Last updated: February 2026 · All information without guarantee