Aston Martin Db9 reliability
The Aston Martin Db9 fails its MOT less often than most cars over 10 years old: 10.9% of 3,662 tests failed in 2023, against 39.7% on average.
9 DVSA recalls for the Aston Martin Db9
Most cover a batch of cars built in a set period, and dealers fix them free. Sweep’s check shows the recalls for a car’s age and whether the DVSA has one outstanding.
Vehicle may roll away
Due to a communication error between the Engine Control Module (ECM) software and the Transmission Control Module (TCM) the transmission park pawl may not engage. In certain circumstances such as when the park brake is not applied the vehicle may roll away.
Fix: On affected vehicles update the software for the Transmission Control Module.
Recalled models: DB9 · 3,849 vehicles
Movement of seat may damage battery supply cable
In some circumstances when the right side front seat is operated to its fully reward position the seat runner can compress the battery supply cable and cause the seat to damage the battery supply cable. This may cause an open circuit and/or ground the supply cable which may then overheat.
Fix: On affected vehicles examine the battery supply cable for damage and install a routing block to ensure that the seat runner cannot compress the battery supply cable. If necessary replace the cable.
Recalled models: DB9 · 6,542 vehicles
Risk of short-circuit in battery supply cable
On affected vehicles the right fron seat can compress the battery supply cable. Prolonged occurences coulld cause damage to the insulation and the cable may short out
Fix: Fit new cable guide to reroute supply cable. Check condition of supply cable and where necessary reinforce insulation . In rare instances the cable may require replacement.
Recalled models: DB9 · 691 vehicles
Seat may overheat
On affected vehicles The control module for the front heated seats mail fail and when the ignition is switched on allow a permanent feed to the heater element(s). In this condition it may not be possible to switch off the heater element and over a period of time this may cause a seat to overheat and smouldering to occur. Occupants will notice an inability to switch the seat heater off using the designated switch and over longer periods a higher than normal temperature of the seat squab.
Fix: Fit additional seat heater monitoring modules. Where necessary seat elements may also be replaced.
Recalled models: DB9 · 8,299 vehicles
Intermittent fault with transmission control switches
On affected vehicles the transmission switches have a chrome plating surround. This can interact with the printed circuit board within the switches and create an intermittent earth path to other surrounding parts In the subject vehicles this can cause the transmission to default to neutral without any driver input for gear selection resulting in a loss drive.
Fix: Replace existing switches with updated version. Brakes and steering are not affected.
Recalled models: DB9 · 313 vehicles
Throttle pedal may fail
The throttle pedal may fail resulting in the driver being unable to accelerate or maintain speed. The throttle pedal arm on the affected vehicles is not to specification.
Fix: Recall the vehicles that are likely to be affected to replace the throttle pedal with one of the correct specification.
Recalled models: DB9 · 1,289 vehicles
Steering may be affected
It has been established that the front suspension bottom suspension arm cam-bolt may be out of specification. It is possible that these bolts could crack and fail. This could in extreme cases affect the directional control of the vehicle.
Fix: Recall all affected vehicles for the replacement of the cam-bolt.
Recalled models: DB9 · 1,035 vehicles
Steering response may be incorrect
It has been identified that during the build process of the subject vehicles a safety critical action to check the torque of the front sub frame assembly bolts was omitted. Should the situation be ignored the driver would become aware of an unusual steering response.
Fix: Recalled vehicles will have the subject bolts inspected to ascertain whether they have been paint marked to indicate that the torque has been checked during production. Should this not be the case the bolts will be re-torqued.
Recalled models: DB9 · 18 vehicles
Automatic transmission parking brake may not engage
Some vehicles may have been manufactured with an automatic transmission parking brake component which may not have been hardened to the correct specification. This could result in the transmission parking brake not engaging when park on the transmission is selected.
Fix: Recalled vehicles will have the parking brake pawl guide plate replaced with a quality assured item.
Recalled models: DB9 · 3 vehicles
Checking a Aston Martin Db9 before you buy
Look at the parts above at the viewing, and read the car’s own MOT history: advisories for the same parts suggest the problem is already starting. Sweep’s free check shows every MOT, advisory and mileage reading for a registration.