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 INSPECTIONP CODE CHARTSP0601P060141 (HEADLAMP CONTROL MODULE - HCM)FAULT-TRACING
2007 Volvo XC90 AWD V8-4.4L VIN 85 B8444S
Fault-Tracing
2007 Volvo XC90 AWD V8-4.4L VIN 85 B8444SSECTION Fault-Tracing
Fault-tracing
Replacing a component
The headlamp control module (HCM) has registered an internal fault.
If the fault is intermittent, it has been registered previously but is no longer present. Intermittent faults can be caused by interference upon start of the headlamp control module (HCM) or may be a different type of fault that occurs on different occasions. The fault is evaluated depending on how it occurs. If the problem recurs, replace the headlamp control module (HCM).
In the event of a permanent fault, replace the headlamp control module (HCM).
Remedy as necessary.
Continue - Fault-tracing information
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Fault-tracing information
Attempt New Test - Replacing a component
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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.