Faults and recalls.

Engine / equipment

7-speed DQ200 DSG gearbox (dry clutch, 0AM mechatronics), paired with 1.0/1.2/1.4 TSI and 1.6 TDI engines

Period mentioned

2008 onwards

Symptoms

Judder or shudder pulling away in 1st/2nd, reverse won't engage, PRNDS letters flashing or a spanner warning, gearbox stuck in one gear (limp mode).

Possible cause described

Mechatronic unit failure: the pressure accumulator develops fatigue cracks, the electric pump runs constantly and the gearbox loses pressure. The mechatronic's 30 A fuse sometimes blows. Wear of the dry dual clutch is also common.

Check for the garage

Read the gearbox module faults with VCDS, OBDeleven or similar and check the mechatronic fuse.

Cost cited in the source

€350–550 to repair the mechatronic unit alone; €1,000–1,200 including removal and refittingA rough figure from the original database, not an up-to-date quote.

Sources from the original database

Engine / equipment

1.8 / 2.0 TSI-TFSI EA888, 2nd generation

Period mentioned

Approx. 2009–2015

Symptoms

Very high oil consumption (over 1 litre per 1,000 km), low oil warning, bluish smoke, oil-fouled spark plugs.

Possible cause described

Piston rings that are too thin carbon up and lose tension, letting oil into the combustion chamber. The crankcase ventilation (PCV) valve can also contribute.

Check for the garage

Controlled oil consumption test over 1,000 km, compression or leak-down test and a PCV valve check.

Cost cited in the source

€3,000–5,000 (new pistons and rings)A rough figure from the original database, not an up-to-date quote.

Sources from the original database

Engine / equipment

1.8 / 2.0 TSI-TFSI EA888, 1st and 2nd generation

Period mentioned

Approx. 2008–2015

Symptoms

Metallic rattle for a few seconds on a cold start, engine light for camshaft/crankshaft correlation; in the worst case the engine won't start after a loud noise.

Possible cause described

The hydraulic chain tensioner (old design) loses pressure on cold starts, the chain goes slack and can jump teeth, causing valves to hit pistons.

Check for the garage

An inspection plug on the lower timing cover shows the tensioner position. Listen to a cold start.

Cost cited in the source

€1,500–4,000 (chain, guides and tensioner)A rough figure from the original database, not an up-to-date quote.

Sources from the original database

Engine / equipment

2.0 TDI common rail EA189 with low-pressure EGR, mainly US-market versions (CJAA, CBEA)

Period mentioned

Approx. 2009–2015

Symptoms

Engine light, limp mode with power loss, flashing glow-plug light and black soot inside the tailpipe.

Possible cause described

The diesel particulate filter (DPF) cracks internally and lets soot through, clogging the low-pressure EGR filter behind it.

Check for the garage

Remove the EGR filter and wipe inside the exhaust at that point: if the cloth comes out black, the DPF is cracked. Replace the DPF and EGR filter together.

Cost cited in the source

Approx. €1,000–2,500 (estimate: DPF + EGR filter)A rough figure from the original database, not an up-to-date quote.

Sources from the original database

Engine / equipment

1.6 and 2.0 TDI (EA189 and EA288)

Period mentioned

Approx. 2010–2020

Symptoms

Coolant level drops with no visible leak, white smoke with a sweet smell, rising temperature or engine light. In severe cases the engine hydrolocks.

Possible cause described

The internal tubes of the EGR cooler crack and coolant enters the intake. It worsened after the post-Dieselgate software update, which increased EGR use.

Check for the garage

Cooling system pressure test and check for coolant in the intake or manifold.

Cost cited in the source

€400–1,300A rough figure from the original database, not an up-to-date quote.

Sources from the original database

Engine / equipment

1.2 / 1.4 TSI-TFSI EA111 (Polo, Golf V/VI, Ibiza, Fabia, Octavia, Audi A1, Yeti, Touran…)

Period mentioned

2006–2014

Symptoms

Rattle on a cold start, engine light for timing deviation; if the chain jumps, the engine cranks but won't start.

Possible cause described

A narrow chain and a hydraulic tensioner that loses pressure: the chain stretches, often between 60,000 and 100,000 km. VW revised the chain, guides, tensioner and camshaft.

Check for the garage

Listen to a cold start and read the timing deviation values with VCDS. Ask for an invoice showing the revised kit was fitted.

Cost cited in the source

€800–1,500A rough figure from the original database, not an up-to-date quote.

Mileage cited in the database: 60,000–100,000 km. This is not a maintenance interval and does not predict a failure.

Sources from the original database

Engine / equipment

1.8 and 2.0 TSI/TFSI EA888 gen 3 (Golf VII GTI/R, A3/S3 8V, TT 8S, A4 B9, Octavia III, Leon III, Passat B8, Tiguan II, Superb III…)

Period mentioned

2012–2020

Symptoms

Slow coolant loss, sweet smell, low-coolant warning and coolant residue under the intake manifold. Overheating is rare unless the level drops a lot.

Possible cause described

The water pump and thermostat form a single plastic module next to the exhaust that cracks with heat cycling. It often fails before 100,000 km and Volkswagen recognises it as a design fault.

Check for the garage

Look for coolant residue where the module meets the block and between pump and thermostat, check the level and pressure-test the system.

Cost cited in the source

Complete pump and thermostat module with coolant: approx. €470–740 at a specialist (converted from Canadian dollars)A rough figure from the original database, not an up-to-date quote.

Mileage cited in the database: up to 100,000 km. This is not a maintenance interval and does not predict a failure.

Sources from the original database

Engine / equipment

MQB and MLB plug-in hybrids: Golf GTE/eHybrid, Passat GTE, Tiguan and Arteon eHybrid, Multivan T7, Audi TFSI e, Seat and Cupra e-Hybrid, Skoda iV

Period mentioned

2019–2023

Symptoms

Usually none. In rare cases, overheating or fire in the engine bay or battery.

Possible cause described

In 2022 the VW Group recalled about 118,000 plug-in hybrids over a high-voltage system fuse that could fail under overvoltage and insufficient insulation; an extra insulating mat is fitted. In 2024 Audi added a recall for 2022–2023 Q5 and A7 plug-in hybrids over battery faults.

Check for the garage

Confirm by VIN at the dealer that the high-voltage system recalls have been done.

Cost cited in the source

Free under the recallsA rough figure from the original database, not an up-to-date quote.

Sources from the original database

Engine / equipment

1.5 TSI evo (EA211 evo): Golf VII and VIII, T-Roc, Tiguan, Octavia, Leon, Ibiza, Arona, Karoq, A3…

Period mentioned

2017–2022

Symptoms

Rhythmic jerking (“kangaroo effect”) and hesitation when accelerating at roughly 1,200–2,000 rpm, with a cold engine and in low gears; most noticeable with a manual gearbox.

Possible cause described

An engine management fault during warm-up. Volkswagen released a software update for all group brands in February 2020, which fixed it on most cars; on some it only reduced it. Mechanically it is a reliable engine.

Check for the garage

Test the car from cold in first and second gear, and check at the dealer whether the latest engine control unit software is installed.

Cost cited in the source

Software update: €0–150A rough figure from the original database, not an up-to-date quote.

Sources from the original database

Engine / equipment

MEB platform EVs: VW ID.3, ID.4, ID.5, ID.7 and ID.Buzz, Skoda Enyaq and Elroq, Cupra Born and Tavascan, Audi Q4 e-tron

Period mentioned

2020–2026

Symptoms

The car will not start or wake up after standing even though the traction battery is charged; 12 V battery warnings; screens that freeze or go black; charging sessions that will not start or cut out.

Possible cause described

The 12 V auxiliary battery frequently suffers deep discharge, and low voltage in turn causes starting and charging faults. Early software versions (1.x and 2.x) had many bugs; the ICAS1 control unit manages comfort and energy.

Check for the garage

Check the 12 V battery condition and the quiescent current draw, and confirm at the dealer that the car has the latest software. With ODIS: high-voltage battery (8B), high-voltage electronics (8C), charger (8E) and ICAS1 (C7).

Cost cited in the source

12 V battery or update: approx. €0–370 (converted from dollars)A rough figure from the original database, not an up-to-date quote.

Sources from the original database

Engine / equipment

Air conditioning with clutchless compressor and N280 regulating valve (combustion VW, Audi, Seat, Cupra and Skoda from 2006)

Period mentioned

2006–2026

Symptoms

The air does not cool or cools intermittently (for example only at motorway speed), and sometimes the compressor rattles with the A/C on. Codes 01232 (N280 valve), P2612 or 00898.

Possible cause described

The compressor regulates its output with the N280 solenoid valve, its most common failure point. Audi issued technical bulletins over a manufacturing fault in this valve on Sanden compressors. Its connector can also become brittle and corrode (especially without the engine undertray), or the wiring fails.

Check for the garage

Read the codes and N280 control current with VCDS or ODIS, measure its resistance (about 10 ohms) and check the connector and wiring before replacing parts. If the valve or compressor is replaced, the whole circuit must be flushed.

Cost cited in the source

N280 valve: a cheap part (about 30 dollars) where sold separately; new compressor with circuit flush: considerably moreA rough figure from the original database, not an up-to-date quote.

Sources from the original database

Engine / equipment

4th and 5th generation Haldex coupling in transverse-engine VAG all-wheel-drive cars: VW 4Motion, A3/TT/Q3 quattro, Skoda 4x4 and Seat/Cupra 4Drive

Period mentioned

2007–2020

Symptoms

All-wheel-drive warning or a pump error in diagnostics, the car behaves like front-wheel drive (wheelspin in the wet or on gravel) and sometimes no cluster warning even with stored codes.

Possible cause described

The electric pump that pressurises the coupling loses flow because the filter (4th generation) and the pump strainer clog with wear debris; dirty oil raises its current draw and burns it out. According to forum owners, dealer services often change the oil but not the filter or strainer, and a new pump fails again if this is skipped.

Check for the garage

Read the all-wheel-drive module with VCDS, OBDeleven or ODIS (ODIS shows the pump current) and check in the history when the oil was changed and whether the filter was replaced and the strainer cleaned. After servicing, an adaptation with diagnostic equipment is recommended on generations 4 and 5.

Cost cited in the source

Oil, filter and strainer cleaning: maintenance. If the clutch plates are destroyed, an S3 owner quotes about £4,000 to replace the whole unit.A rough figure from the original database, not an up-to-date quote.

Sources from the original database

Engine / equipment

EA211 1.0, 1.2 and 1.4 TSI/TFSI petrol (Golf VII, Polo, Octavia III, Leon 5F, A3 8V, Ibiza, Fabia III and other MQB cars)

Period mentioned

2012–2020

Symptoms

Coolant level drops slowly with no visible puddle, dried white or pink residue behind the engine, a sweet smell and a low-level warning. If loss continues, it can overheat.

Possible cause described

The water pump is built into a plastic housing with the thermostats, which warps and cracks with heat cycles, and its seals degrade. A trade magazine also notes that oil from a nearby leak (for example the crankcase ventilation) speeds up failure of the housing and the pump belt.

Check for the garage

With the engine cold, monitor the level for several days and look for dried residue around the housing and the coolant pipe under the air box. At a garage: pressure test and check for nearby oil leaks. Replacing pump and housing as one assembly is recommended; do not use stop-leak products. Never open the system hot.

Cost cited in the source

A reliability guide quotes €500–1,000 for the 1.4 TSI and €300–600 for the 1.2 TSI.A rough figure from the original database, not an up-to-date quote.

Sources from the original database

Engine / equipment

Cupra Formentor and León

Period mentioned

2023

Symptoms

A sharp knock at the front when accelerating hard or lifting off, as if the engine were moving, and more vibration at idle.

Possible cause described

The engine mounts received incorrect heat treatment and may break, which affects stability. It is recall 10J3 (EU Safety Gate alert 45/2023) for Formentor and León cars built from 26/7 to 7/8/2023.

Check for the garage

Ask the dealer, with the car's details, whether recall 10J3 is outstanding. Until it is checked, avoid hard acceleration and drive gently.

Cost cited in the source

No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Sources from the original database