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 INSPECTIONC CODE CHARTSC0048C004801 (BRAKE CONTROL MODULE - BCM)DIAGNOSTIC TROUBLE CODE INFORMATION
2007 Volvo XC90 AWD V8-4.4L VIN 85 B8444S
Diagnostic Trouble Code Information
2007 Volvo XC90 AWD V8-4.4L VIN 85 B8444SSECTION Diagnostic Trouble Code Information
Diagnostic trouble code information BCM-C004801
Condition
The pedal position sensor sends the brake control module (BCM) a signal indicate the position of the brake pedal and the speed with which it was depressed. The brake control module (BCM) uses the signal to activate the active brake assist (BA) function during sudden heavy braking.
Diagnostic trouble code BCM-C004801 is generated if the brake control module (BCM) registers a defective signal from the pedal position sensor.
The diagnostic trouble code can be diagnosed when the ignition is on and if the pedal position sensor signal is more than 4.85 V or less than 0.15 V for a long period of time.
Substitute value
- BA is blocked.
Hint: For information on abbreviations: Brake system, abbreviations, B8444S, B6324S Brake System, Abbreviations
Possible source
- Open-circuit on the signal cable.
- The cables are short-circuited to ground or supply voltage.
- Improperly installed sensor.
- Damaged sensor.
- Internal malfunction in brake control module (BCM).
Fault symptom[s]
- General warning light on.
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.