Seat Altea 1.6 TDI 105 hp problems
The Seat Altea used the 1.6 TDI from 2009 to 2015 (1.6 TDI 105 CV). 5 documented faults affect it; the most important is “manipulated emissions software (dieselgate) and air flow stabiliser” (medium severity, very frequent). Our verdict: “With caution”. Among the documented engines of the Seat Altea, the safest option is the 2.0 FSI.
Engine score on this car
5.5 out of 10Acceptable reliability
Only counting the faults that affect the versions and years of the Altea. How we calculate it
Overall score for the Seat Altea
4.5 out of 10Low reliability
Engines, gearbox, suspension, brakes, electronics and the rest of the car. See breakdown
Volkswagen 1.6 TDI (EA189 and EA288) · Diesel
- Name
- 1.6 TDI 105 CV
- Faults that affect it
- 5 · 2 of high or critical severity
Verdict for the version it uses
1.6 TDI common rail EA189 (2009-2015)2009–2015 · 75–105 hp · CAYA, CAYB, CAYC, CAYD, CAYE
With cautionThe dieselgate scandal affects the whole series: check that the update (software and air flow stabiliser) has been done and that there are no symptoms of EGR, particulate filter, turbo or water pump problems.[4][5]
Faults that affect the Altea
- Medium severityFrequency: Very frequentEmissions controlManipulated emissions software (dieselgate) and air flow stabiliserThe 1.6 TDI EA189 engines (2009-2015, 75-105 hp) carried software that reduced exhaust gas recirculation (EGR) outside homologation tests. Unlike the 2.0 TDI, Volkswagen corrects this engine with the software update plus the fitting of an air flow stabiliser.Repair: €0
- High severityFrequency: OccasionalTimingTiming belt and water pumpThe 1.6 TDI drives its timing with a toothed belt. It is common for the water pump to be changed together with the kit: if the pump seizes first, it can drag the belt with it, with a risk of breakage and serious cylinder head damage.Repair (garage): €400–€1,500
- High severityFrequency: OccasionalTurboVariable-geometry turbo seized or with playThe variable-geometry turbo on the 1.6 TDI EA189 can seize because of carbon deposits or wear on the shaft. The engine loses power, whistles or emits bluish smoke, and replacing the turbo costs around €1,000 if there is no additional damage.Repair (garage): €1,000
- Medium severityFrequency: CommonEmissions controlEGR valve clogged with carbon depositsThe EGR valve accumulates carbon deposits, especially on short urban trips, until it seizes and no longer seals or opens precisely. The engine loses power and jerks; cleaning the valve costs considerably less than replacing it.Repair (garage): €100–€1,000
- Medium severityFrequency: CommonEmissions controlClogged particulate filter (DPF)In urban use and on short trips, the particulate filter does not complete regeneration and becomes saturated with soot. The DPF warning light comes on and, if ignored, the car may enter limp mode with a loss of power.Repair (garage): €200–€3,000
What to check before buying a used Seat Altea 1.6 TDI 105 hp
Each point comes from a documented fault that affects this car. You can tick them off as you inspect it.
If it has the 1.6 TDI (2009–2015)
Timing belt and water pump
High severityVariable-geometry turbo seized or with play
High severityEGR valve clogged with carbon deposits
Medium severityClogged particulate filter (DPF)
Medium severityOther engines and gearboxes of the Seat Altea
Score for each one with the faults that affect this car, from best to worst.
- 09G (Aisin) gearbox2004–2015 · 2 faultsHigh severity8.6 out of 10
- 2.0 FSI2004–2008 · 3 faultsMedium severity6.6 out of 10
- 2.0 TDI2004–2015 · 7 faultsCritical severity5.2 out of 10
- DSG7 DQ200 gearbox2008–2015 · 3 faultsHigh severity4.1 out of 10
- 1.9 TDI2004–2010 · 5 faultsCritical severity3.4 out of 10
- 1.2 and 1.4 TSI2004–2015 · 3 faultsCritical severity1.8 out of 10
Faults of the Seat Altea outside the engine
Suspension, brakes, electronics and the rest of the car: they occur with any engine.
- Critical severityFrequency: OccasionalAirbags and safetyTakata recall: the driver's airbag may fragment in a crashYes: campaign 69FT covers Altea cars built between 29 June 2012 and 2 August 2013, because the Takata propellant in the driver's airbag can degrade and release metal fragments when it deploys. The inspection and, where necessary, replacement of the inflator are free at official dealers.
- Critical severityFrequency: OccasionalClimate controlA poorly secured earth cable in the optional parking heater could cause a fireThe KBA documented that, on Altea cars with a factory-fitted parking heater built between 1 November 2006 and 21 December 2007, a poorly secured earth cable could cause heat damage and even a vehicle fire.
- Medium severityFrequency: OccasionalSuspensionThe shock absorbers and their joints can wear out before 50,000 kmAltea owners describe worn shock absorbers, top mounting bearings and suspension ball joints in under 50,000 km; a German technical inspection report confirms that shock absorbers, springs and driveshafts are a common reason for failure in inspections of this model.
- High severityFrequency: RareGearbox and clutchA miscalculated clutch pressure regulator could damage the dual-mass flywheelThe KBA documented that, on manual-gearbox Altea cars built between 2004 and 2006, a miscalculated pressure regulator in the clutch circuit could damage the dual-mass flywheel. It does not affect versions with the DSG6 (DQ250) automatic gearbox, which has its own page.
- High severityFrequency: RareElectronics and infotainmentThe ABS/ESP self-diagnosis function might fail to detect a real system faultThe KBA documented that, on 2009 Altea cars, an inadequate self-diagnosis function in the ABS/ESP system might fail to detect a real fault, leaving the driver without the corresponding warning and at risk of losing control of the vehicle in an emergency manoeuvre.
Buying a Seat Altea 1.6 TDI 105 hp?
We will put you in touch with a partner only if you authorise it in the form.
The Seat Altea has 4 documented recalls and campaigns. See which ones and how to find out if they affect you
Frequently asked questions
Is the Seat Altea 1.6 TDI 105 hp reliable?
The Seat Altea used the 1.6 TDI from 2009 to 2015 (1.6 TDI 105 CV). 5 documented faults affect it; the most important is “manipulated emissions software (dieselgate) and air flow stabiliser” (medium severity, very frequent). Our verdict: “With caution”. Among the documented engines of the Seat Altea, the safest option is the 2.0 FSI.
What faults does the Seat Altea 1.6 TDI 105 hp have?
The documented ones that affect this car are: manipulated emissions software (dieselgate) and air flow stabiliser (medium severity), timing belt and water pump (high severity), variable-geometry turbo seized or with play (high severity), EGR valve clogged with carbon deposits (medium severity) and clogged particulate filter (DPF) (medium severity).
Which engine should you choose for the Seat Altea?
None has a «Buy» verdict; the safest option is the 09G (Aisin) gearbox, with a «With caution» verdict.
Own a Seat Altea 1.6 TDI 105 hp? Tell us what faults you have had and at how many kilometres. Report your fault.
Sources
Every fact on this page links to its source. If you find an error, let us know.
- VW EA189Wikipedia (alemán) · Other source · consulted 26 September 2026 · in German
- List of discontinued Volkswagen Group diesel enginesWikipedia (inglés) · Other source · consulted 26 September 2026
- SEAT Altea - WikipediaWikipedia · Other source · consulted 29 October 2026
- Escándalo de emisiones contaminantes de vehículos VolkswagenWikipedia (español) · Other source · consulted 26 September 2026 · in Spanish
- Información sobre el motor EA189Volkswagen España · Manufacturer · consulted 26 September 2026 · in Spanish
- Bomba de agua del coche: la avería de más de 1.500 euros que arrastra la correa de distribuciónMotor16 · Motoring press · published 21 September 2026 · consulted 26 September 2026 · in Spanish
- Bomba de agua del coche, qué es, función y cuándo cambiarlaAutopista.es · Motoring press · published 10 June 2026 · consulted 26 September 2026 · in Spanish
- Cómo saber si el turbo está roto o a punto de romperseMotor.es · Motoring press · consulted 26 September 2026 · in Spanish
- Cuánto cuesta sustituir el filtro de partículas de un coche diéselDiariomotor · Motoring press · consulted 26 September 2026 · in Spanish
- Filtro de partículas: ¿mejor limpiar o sustituir?Autofácil · Motoring press · consulted 26 September 2026 · in Spanish