Aston Martin DB 9 2010 Manual page 85

Warning Symbol: Flashing for 75 seconds then constant.
Message Centre (Right): Tire System Fault.
Control module: Control module LED constant red.
Fault: System failure.
Possible Cause:
• The TPMS sensors have become defective
• An unapproved accessory is interfering with the TPMS
• A general fault has been detected in the TPMS
Action: Continue at a reduced speed of 30 mph (48 km/h)
maximum. Have the control unit and the tire transmitters checked at
the earliest opportunity. Consult your Aston Martin Dealer.
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