Audi P0016

Crank/cam correlation Bank 1 on Audi — 1.4/1.8/2.0 TSI EA888/EA111 chain tensioner failure, rattle on cold start.

Audi P0016 — Crank/cam correlation Bank 1 on Audi — 1.4/1.8/2.0 TSI EA888/EA111 chain tensioner failure, rattle on cold start. Typical UK independent garage cost: £750–£2200.

What actually causes P0016 on a Audi

Famous EA111 / EA888 Gen2 weakness — the spring-loaded chain tensioner loses pressure on shutdown, the chain slaps the guide on the next cold start, eventually jumping a tooth. P0016 is the death-knell warning. VAG released the updated tensioner (part suffix ending 'H' or later) which must be fitted alongside chain, guides and sprockets.

Audi engines that log P0016

• 1.4 TSI EA111 CAVD/CAXA
• 1.8/2.0 TSI EA888 Gen2 CDAA/CCZA
• 1.4 TFSI EA211

How we diagnose P0016 on a Audi

1. Listen for 2-3 second rattle on cold cranking
2. Read live cam/crank deviation via VCDS — anything beyond ±6° is a jump
3. Pull cam cover and inspect tensioner extension, chain wear and guide score marks
4. Fit full timing kit (chain, tensioner, guides, sprockets) — never partial
5. Replace stretched bolts on TSI per VAG TPI

The common misdiagnosis to avoid

Garages quote tensioner alone (£280) but the chain is invariably stretched and guides chewed — partial repairs come back within months. Always do the full kit.

Audi P0016 repair cost in the UK

Expect £750–£2200 including parts and labour at an independent garage. Main-dealer quotes on Audi are usually higher for the same job, and the spread exists because the cheap cause and the expensive cause throw the same code — pay for the diagnosis before you pay for parts.

Service campaign / TSB note

VAG TPI 2024145/4 covers the updated chain tensioner kit for EA111/EA888 Gen2.

Bob's workshop tip

EA888 Gen2 P0016 + cold-start rattle = stop the car. One more start can bend valves on these engines.

Codes usually seen alongside P0016 on Audi

• P0017
• P0341
• P0008

Symptoms drivers report with P0016

• Loud metallic rattle for the first 2–4 seconds of a cold start — the classic 'death rattle'
• Long cranking before the engine catches, especially after standing overnight
• Rough lumpy idle at traffic lights, occasionally stalls
• Stop/Start stops working (ECU disables it once cam correlation drifts)
• Turbo feels lazy or flat below 2,000 RPM — timing is retarded to protect the valvetrain
• MPG drops 4–8 mpg with no other obvious cause
• Code P0011, P0014, P0017 or P0341 stored alongside P0016

Repairs that clear P0016

• Measure cam-to-crank deviation with manufacturer-aware scan tool
• Plan full timing chain kit if stretched
• Replace cam phaser if mechanically faulty

For the generic, all-makes explanation of this code — meaning, every known cause and UK cost bands — see our P0016 guide.

Reading P0016 on a Audi properly

A generic reader will show P0016 and nothing else. What matters is the freeze-frame data stored with it — engine speed, load, coolant temperature and fuel trims at the moment the fault was logged — plus whether any other module on the Audi has logged something at the same time. Codes rarely arrive alone, and the order they were stored in usually points at which one is the cause and which are the consequences.

Clearing P0016 without fixing it

Erasing the code resets the Audi's readiness monitors as well as the light. The fault returns on the next drive cycle if the cause is still there, and in the meantime the incomplete monitors can stop the car passing an emissions check. After a genuine repair, the car is driven until the relevant monitor completes before it is handed back.

Bob's Mechanical Repairs is an independent garage in Birnam, Dunkeld, Perthshire, with 32 years of Bob's experience on the tools. If P0016 is showing on your Audi, bring any scan results with you — we will read the live data ourselves, confirm which cause it actually is, and price the repair before any work starts.