Actuator Position Sensors

Critical

Limp Mode / P0299 Underboost

ECU sees incorrect actuator position — defaults to safe mode. Confirm P2563/P2564 codes before replacing actuator motor.

Critical

P2563 / P2564 Position Feedback Fault

Direct actuator position sensor fault codes. Signal out of expected range — typically caused by sensor failure, damaged connector, or wiring fault.

Warning

Erratic or Unstable Boost

Boost surging or inconsistent response — sensor signal dropout causes ECU to lose track of vane position. Check connector and wiring first.

Warning

Inconsistent Turbo Response

Turbo spools unpredictably at different RPM levels. ECU compensating for unreliable position data from a degrading sensor.

Monitor

Slow Spool / Excess Lag

ECU defaulting to conservative vane position due to position signal distrust. May appear before fault codes log.

Monitor

Black Smoke Under Load

Actuator position uncertainty causes over-fuelling. Will clog DPF if left unresolved. Diagnose with OBD scan before replacing parts.

1

Diagnose First

Confirm P2563/P2564 with OBD scanner. Check wiring harness and connector for corrosion or damage — most position sensor codes are wiring faults.

2

Verify Motor Function

Confirm actuator motor operates correctly before ordering sensor only. If motor is seized or unresponsive, full actuator replacement is required.

3

Fit & Connect

Fit sensor to actuator body and reconnect OE connector. Check for damaged pins or moisture in plug. Secure wiring away from heat sources.

4

Clear & Verify

Clear all fault codes. Run engine and verify boost pressure is stable. Perform a road test to confirm P2563/P2564 codes do not return.

Not in the list? We may still stock your sensor.

Send your engine code or OE actuator/sensor number — we’ll confirm availability before you order.

☎ Call: +353 89 986 06 58 ✉ WhatsApp ✉ Email Us

OE-Quality Sensors at Competitive Prices

As an authorised Melett distributor for Ireland and the EU, DOMAT supplies only precision-engineered position sensors that meet original equipment specifications. Every unit is quality-checked for signal stability before dispatch. The Melett 1401-402-390 covers a wide range of 1.4–1.6 HDI/TDCI applications on Citroën, Peugeot, Ford, and Fiat.

Ireland’s Turbo Actuator Specialists

Based in Co. Kerry, DOMAT has been supplying independent garages, fleet operators, and trade customers across the Republic of Ireland, Northern Ireland, and EU since 2013. Our team can cross-reference OE sensor numbers, actuator references, and engine codes to confirm the correct part before you order.

Match by OE Number or Engine Code

Position sensor fitment depends on the exact turbo actuator model — not just the vehicle make. Always verify by OE part number and turbo reference. Common OE numbers for 1.6 HDI/TDCI applications include 49373-02000 through 49373-02023 and AV6Q-6K682-BB. Send us your existing number and we confirm the correct Melett replacement.

Technical Support Included

Not sure whether you need a sensor or a full actuator? Call or WhatsApp our technical team with your reg number, engine code, and fault codes. We’ll advise the correct part and flag anything to check — such as wiring faults or connector damage — before you order.

Nationwide Delivery Across Ireland

DOMAT supplies actuator position sensors throughout Ireland — Dublin, Cork, Limerick, Galway, Waterford, Kilkenny, Sligo, Drogheda, Dundalk, and all counties nationwide. Free next-day delivery to the Republic of Ireland on every order, with EU-wide shipping also available.

OE-Quality Kits from AJUSA and Melett

As an authorised Melett distributor for Ireland and the EU, DOMAT supplies precision-engineered fitting kits alongside its turbocharger range. AJUSA is one of Europe’s leading gasket and seal manufacturers, supplying OEM and aftermarket channels across all major vehicle makes.

Ireland’s Turbo Specialists Since 2013

Based in Co. Kerry, DOMAT supplies independent garages, fleet operators, and trade customers across the Republic of Ireland, Northern Ireland, and EU. Our team can cross-reference engine codes, OE numbers, and turbo part numbers to confirm the correct fitting kit before you order.

Wide Coverage Across All Major Applications

Fitting kit stock covers Ford, VW, Audi, Skoda, BMW, Toyota, Nissan, Renault, Opel, Citroën, Peugeot, Volvo, Mazda, Mini, Mitsubishi, and Chevrolet — covering diesel engines from 1.5 DCI and 1.6 HDI through to 2.2 TDCI and 3.0 D applications.

Technical Support Included

Not sure whether you need a fitting kit, a gasket kit, or both? Call or WhatsApp our technical team with your reg number, engine code, and turbo OE number. We’ll advise the correct parts and flag anything to check before you order.

Nationwide Delivery Across Ireland

DOMAT supplies turbocharger fitting kits throughout Ireland — Dublin, Cork, Limerick, Galway, Waterford, Kilkenny, Sligo, Drogheda, Dundalk, and all counties nationwide. Free next-day delivery to the Republic of Ireland on every order, with EU-wide shipping also available.