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 MANUALSVOLVO2010XC70 AWD L6-3.2L VIN 96 B6324S2REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONC CODE CHARTSC0034C003407 (BRAKE CONTROL MODULE - BCM)FAULT-TRACING INFORMATION
2010 Volvo XC70 AWD L6-3.2L VIN 96 B6324S2
Fault-Tracing Information
2010 Volvo XC70 AWD L6-3.2L VIN 96 B6324S2SECTION Fault-Tracing Information
Fault-tracing
Checking the wheel sensor and pulse wheel
- Ignition off.
- Remove the wheel for better access.
Check that wheel sensor in question is tight against spindle or hub. Check that there is no dirt between the sensor and mating surface.
Check that the magnetic pulse wheel is correctly secured and free of damage, scratches (for example scratches, deformation).
Other information:
- Transmission input speed sensor, front wheels Transmission Input Speed Sensor, Front Wheels
- Transmission input speed sensor rear wheels, TF-80SC AWD Transmission Input Speed Sensor Rear Wheels Transmission input speed sensor rear wheels, TF-80SC Transmission Input Speed Sensor Rear Wheels
Were any defects found?
Yes - Verification
No - Checking the wiring and connectors
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Checking the wiring and connectors
Check the connectors on the brake control module (BCM) and the wheel sensor in question sensor for contact resistance and oxidation.
Check the connectors and wiring insulation for damage.
Check that the wheel sensor cables are not too close to sources of interference.
Remedy as necessary.
Other information:
- Connecting the breakout box Connecting The Breakout Box, Brake Control Module (BCM)
- Transmission input speed sensor, front wheels Transmission Input Speed Sensor, Front Wheels
- Transmission input speed sensor rear wheels, TF-80SC AWD Transmission Input Speed Sensor Rear Wheels Transmission input speed sensor rear wheels, TF-80SC Transmission Input Speed Sensor Rear Wheels
- Checking wiring and terminals Checking Wiring And Terminals
Continue - Verification
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Verification
Hint: After carrying out the repair, check that the fault has been remedied.
- Ignition off.
- Restore components and connectors.
- Ignition on.
- Test drive the vehicle following:
Check the ABS warning lamp during the test drive. If the fault has been remedied the lamp will go out when the speed exceeds 20 km/h. If the warning lamp does not go out, return to the workshop and read off the diagnostic trouble codes (DTCs).
Does the ABS warning lamp go out and remain unlit?
Yes - FAULT FOUND
No - Fault-tracing information
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Fault-tracing information
Attempt New Test - Checking the wheel sensor and pulse wheel
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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.