The G62 sensor tells the engine control unit how hot the coolant is.
Applies to the engine BBK.
2001–2004. The fault list covers this generation and the engines in it. If the listing gives the exact version, pick it below.

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What to watch for
The list covers the generation, the engines and the transmissions. Once you pick the version, only the faults that apply to it stay.
The G62 sensor tells the engine control unit how hot the coolant is.
Applies to the engine BBK.
From the late nineties to around 2006, petrol engines used a secondary air pump to blow fresh air into the exhaust on a cold start, so the catalytic converter reaches operating temperature faster.
Applies to the engine BBK.
The manufacturer fixes these for free at a franchised dealer. Ask with the VIN whether it was done. The list covers the whole generation. We did not filter it by model year. Some apply only to a narrower production window.
Most recent: 15 March 2005
05V096000EXTERIOR LIGHTING:HEADLIGHTSEXTERIOR LIGHTING:HEADLIGHTS15 March 2005 · NHTSA (USA)ON CERTAIN PASSENGER VEHICLES, THERE IS A POSSIBILITY OF XENON HEADLAMP COATING DEGRADATION OVER TIME. THE LUMINOUS TRANSMITTANCE OF THE HEADLAMP MAY DECREASE OVER A PERIOD OF TIME.
Risk: THIS CONDITION COULD AFFECT A DRIVER'S FIELD OF VIEW, INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL REPLACE THE LEFT AND RIGHT XENON HEADLAMP REFLECTORS FREE OF CHARGE. THE RECALL BEGAN ON APRIL 11, 2005. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.
A12/00788/23Safety recallInjuriesno date · EU Safety GateThe airbag may deteriorate over time and if deployed, excessive internal pressure may cause the inflator body to burst and metal fragments could pass through the cushion material causing injury to occupants. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.
Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown
B6 · 2001–2004
The fault list opens on the version page.
8 versions
4.2 l · 4163 cm³
BBK · ZF6HP
4.2 quattro
2003–2004 · quattro
4.2 l · 4163 cm³
BBK · ML450
4.2 quattro
2003–2004 · quattro
4.2 l · 4163 cm³
BBK · ZF6HP
4.2 quattro
2003–2004 · quattro
4.2 l · 4163 cm³
BBK · ML450
4.2 quattro
2003–2004 · quattro
4.2 l · 4163 cm³
BBK · ZF6HP
4.2 quattro Pro Line
2003–2004 · quattro Pro Line
4.2 l · 4163 cm³
BBK · ML450
4.2 quattro Pro Line
2003–2004 · quattro Pro Line
4.2 l · 4163 cm³
BBK · ZF6HP
4.2 quattro Pro Line
2003–2004 · quattro Pro Line
4.2 l · 4163 cm³
BBK · ML450
4.2 quattro Pro Line
2003–2004 · quattro Pro Line
Neighbouring generations
B6 (2001-2004). If the listing is from the changeover year, look at the neighbour too.
Common questions
2001–2004. The changeover year can fall in two generations. If the listing is from that year, look at the neighbour too.
No. It depends on the engine and the transmission too.
The fault list is.
We write the descriptions, and we put the source next to them. A person reviews them before they go out. They are still information, not a technical expert opinion.