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 V8-4.4L VIN 85 B8444SREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSCEM CODES (CENTRAL ELECTRONIC MODULE)CEM-8F30DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION
2007 Volvo XC90 AWD V8-4.4L VIN 85 B8444S
Diagnostic Trouble Code (DTC) Information
2007 Volvo XC90 AWD V8-4.4L VIN 85 B8444SSECTION Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information CEM-8F30
Condition
The central electronic module (CEM) checks the windshield wipers.
The diagnostic trouble code (DTC) is stored if the central electronic module (CEM) registers that the switch for single sweep and intermittent wiping are active at the same time for more than 2.5 seconds.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute value
- The windshield wipers only operate at lowest speed.
Possible source
- Damaged windshield wiper lever.
Fault symptom[s]
- The windshield wipers only operate at lowest speed.
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.