Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLVO2007XC90 AWD L6-3.2L VIN 98 B6324SREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSUEM CODES (UPPER ELECTRONIC MODULE)UEM-00A3DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION
2007 Volvo XC90 AWD L6-3.2L VIN 98 B6324S
Diagnostic Trouble Code (DTC) Information
2007 Volvo XC90 AWD L6-3.2L VIN 98 B6324SSECTION Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information UEM-00A3
Condition
The upper electronic module (UEM) receives information transmitted by the tire pressure sensors in the wheels, irrespective of the car. The sensors which are registered in the vehicle can be checked by running a statistical selection. A list can then be stored internally in the upper electronic module (UEM).
The diagnostic trouble code (DTC) is stored if the upper electronic module (UEM) registers that the signal from the fourth of the four accepted sensors disappears whilst the vehicle is being driven.
The diagnostic trouble code (DTC) can be diagnosed after 10 minutes when the tire pressure warning system is active (vehicle speed is above 40 km/h (25 mph)).
Substitute value
- None.
Possible source
- Defective tire pressure sensor
- The receiver is not functioning.
Fault symptom[s]
- Message in the display.
- Warning lights and chimes/Tire pressure monitoring indication/no indication
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.