P0016 on Volkswagen
Crankshaft/Camshaft Position Correlation - Bank 1 Sensor A
P0016 on Volkswagen vehicles indicates crankshaft/camshaft position correlation - bank 1 sensor a. Au7o has documented this code across 11 Volkswagen models — most commonly on Atlas, Beetle, CC. P0016 means the engine computer found that the crankshaft and camshaft position sensors on Bank 1 (Sensor A) are not lining up the way they should — the timing 'correlation' between them is out of range. These two sensors tell the computer where the pistons and valves are so it can time fuel injection and spark precisely. When their signals don't agree within tolerance, the computer sets this code. It generally indicates an engine timing issue, which may be a worn timing chain, a sticking variable valve timing component, or a sensor problem, and can cause rough running, hard starting, or potential engine damage if ignored. Typical repair costs on Volkswagen range from $500 to $4,500, depending on the specific model and root cause.
Common Causes of P0016
- •Stretched timing chain or worn timing components (guides/tensioner)
- •Faulty camshaft position sensor or crankshaft position sensor
- •Stuck or faulty variable valve timing (VVT/VCT) actuator or solenoid
- •Low or dirty engine oil affecting the VVT actuator
- •Clogged oil control valve or restricted oil passages
- •Timing chain/belt installed one tooth off after service
- •Damaged reluctor/tone ring on the crankshaft or camshaft
- •Wiring or connector faults at the position sensors
P0016 on Volkswagen by Model
Volkswagen Atlas(1 issue)
- VR6 3.6L Timing Chain Stretch and Rattle2018-2024
The 3.6L VR6 engine in the Atlas can develop timing chain stretch, causing a rattle on startup and potential engine damage. The VR6 uses two timing chains (upper and lower) with hydraulic tensioners. The upper chain and tensioner are more prone to wear. Oil change neglect accelerates chain stretch. VW issued TSB 15-18-03 for timing chain noise diagnosis. The issue is more common after 60,000 miles.
Volkswagen Beetle(2 issues)
- 2.5L 5-Cylinder Timing Chain Tensioner Failure2006-2019
The VW Beetle with the 2.5L 5-cylinder engine (07K) suffers from timing chain tensioner failures that allow the chain to skip teeth, causing catastrophic engine damage. The tensioner uses a ratcheting mechanism that can fail, particularly during oil pressure drops at cold start. This issue affects all 2.5L Beetles, including the New Beetle (2006-2010) and the modern Beetle (2012-2019). VW released an updated tensioner but did not issue a recall.
- Timing Chain Tensioner Failure (2.0T TSI)2012-2019
The Beetle 2.0T TSI shares the EA888 engine timing chain tensioner issue common to the VW/Audi 2.0T platform. The tensioner can lose hydraulic pressure when the engine is off, allowing the chain to go slack. On restart, the chain can skip teeth causing valve timing errors or catastrophic valve-to-piston contact. The Beetle Turbo and Beetle R-Line with the 2.0T are affected.
Volkswagen CC(1 issue)
- EA888 2.0T Timing Chain Tensioner Failure2009-2015
The CC with the EA888 2.0T engine (Gen1 and Gen2) shares the timing chain tensioner defect common to all EA888 engines. The tensioner can fail and allow the chain to skip, causing catastrophic valve and piston damage. The CC models from 2009-2012 are most at risk as they use the earliest tensioner revisions. VW updated the tensioner design multiple times, with revision K being the final fix.
Volkswagen Corrado(1 issue)
- VR6 Timing Chain Tensioner Failure1992-1995
The 2.8L VR6 uses a timing chain with a hydraulic tensioner that loses pressure over time. This allows the chain to develop slack, causing rattling and eventually chain skip which can bend valves.
Volkswagen Eos(1 issue)
- EA888 2.0T Timing Chain and Tensioner Failure2008-2016
The Eos with the EA888 2.0T engine shares the timing chain tensioner defect common across the VW/Audi 2.0T platform. The tensioner can fail, allowing the chain to skip teeth and cause catastrophic valve damage. The Eos tends to have less frequent oil changes due to being a secondary/weekend car for many owners, which accelerates tensioner wear.
Volkswagen Golf(1 issue)
- EA888 Gen1/Gen2 Timing Chain Tensioner Failure2008-2014
The EA888 2.0T engine (Gen1 and Gen2) in 2008-2014 Golf/GTI models suffers from a faulty timing chain tensioner that can fail and allow the chain to skip teeth. This can cause catastrophic engine damage including bent valves and piston contact. VW updated the tensioner design multiple times (revision K is considered the final fix). The original tensioner (part# 06K-109-467-K) was revised after widespread failures reported at 40,000-80,000 miles.
Volkswagen GTI(1 issue)
- 2.0 TSI Timing Chain Tensioner Failure (CCTA/CBFA)2006-2014
The 2.0 TSI engine (CCTA and CBFA codes) in Mk5 and Mk6 GTI models is notorious for timing chain tensioner failure. The original single-piston tensioner design can collapse, allowing the chain to jump teeth. If the chain jumps even one tooth, the interference engine bends valves and causes catastrophic damage. This issue is most common during cold starts when oil pressure is lowest. VW issued an updated tensioner (revision L) but never issued a recall. Engines with build dates before January 2012 are most at risk.
Volkswagen Jetta(1 issue)
- Timing Chain Tensioner Failure (TSI)2008-2016
The EA888 2.0T TSI engine (Gen 1 and early Gen 2) is notorious for timing chain tensioner failure. The tensioner can fail, allowing the timing chain to skip teeth, which can cause catastrophic engine damage. This is most common on engines produced before 2013.
Volkswagen New Beetle(1 issue)
- 2.5L I5 Timing Chain Tensioner Failure2005-2011
The 2.5L inline-5 engine uses a timing chain with a tensioner that fails, causing chain slack and potential valve timing issues. The chain can skip teeth on the sprockets.
Volkswagen Passat(4 issues)
- 1.8T/2.0T EA888 Timing Chain Stretch2012-2018
The EA888 1.8T and 2.0T engines in the 2012-2018 Passat can experience timing chain stretch, particularly in the Gen1 and Gen2 variants. The chain elongates over time due to inadequate tensioner design and oil starvation. This causes camshaft timing to shift, triggering check engine lights and eventually leading to catastrophic engine failure if the chain jumps teeth. The problem is most common with infrequent oil changes or use of non-VW spec oil.
- Timing Belt and Water Pump Failure1998-2005
The B5/B5.5 Passat with the 1.8T and 2.8L V6 requires timing belt replacement at strict intervals. The water pump is driven by the timing belt and can seize, causing the belt to skip or snap. This is an interference engine, so belt failure causes catastrophic valve damage.
- 1.8T Engine Oil Sludge Formation1998-2005
The 1.8T turbocharged engine in the B5/B5.5 Passat is notorious for oil sludge buildup that can block oil passages and starve the turbo and camshaft bearings. Extended oil change intervals and the small oil capacity of the 1.8T contribute to this issue. Can lead to catastrophic engine failure if not addressed.
- Timing Chain Tensioner Failure (2.0T TSI)2008-2017
The Passat shares the same EA888 2.0T TSI timing chain tensioner issue as other VW/Audi models. The original tensioner design allows the chain to go slack when the engine is off, and on restart the chain can skip timing. Early revisions of the tensioner were inadequate and VW issued multiple updated part numbers. The Passat is particularly affected in the 2008-2014 model years.
Volkswagen Tiguan(1 issue)
- Timing Chain Tensioner Failure (Gen 1 EA888)2009-2017
The early EA888 2.0T TSI engine used in the first-generation Tiguan has a known timing chain tensioner design flaw. The tensioner can lose pressure, allowing the chain to skip teeth on the cam sprockets. This can cause valve-to-piston contact and catastrophic engine damage. The issue is most common on cold starts after the vehicle has sat overnight.
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View P0016 across all makes →Frequently Asked Questions
What does P0016 mean on Volkswagen?▼
P0016 stands for "Crankshaft/Camshaft Position Correlation - Bank 1 Sensor A." P0016 means the engine computer found that the crankshaft and camshaft position sensors on Bank 1 (Sensor A) are not lining up the way they should — the timing 'correlation' between them is out of range. These two sensors tell the computer where the pistons and valves are so it can time fuel injection and spark precisely. When their signals don't agree within tolerance, the computer sets this code. It generally indicates an engine timing issue, which may be a worn timing chain, a sticking variable valve timing component, or a sensor problem, and can cause rough running, hard starting, or potential engine damage if ignored. On Volkswagen specifically, this code is documented across 11 models.
What causes P0016 on Volkswagen vehicles?▼
Common causes on Volkswagen: Stretched timing chain or worn timing components (guides/tensioner), Faulty camshaft position sensor or crankshaft position sensor, Stuck or faulty variable valve timing (VVT/VCT) actuator or solenoid, Low or dirty engine oil affecting the VVT actuator, Clogged oil control valve or restricted oil passages. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0016 on a Volkswagen?▼
Repair costs on Volkswagen range from $500 to $4,500, depending on the specific model and root cause.
Which Volkswagen models have P0016 documented?▼
Au7o has documented P0016 on 11 Volkswagen models: Atlas, Beetle, CC, Corrado, Eos, Golf, GTI, Jetta, New Beetle, Passat, Tiguan.