Diagnostic trouble code (DTC) information

2003 Volvo XC70SECTION Diagnostic trouble code (DTC) information

Condition 

Fig 1: ABS Control Module
GLL104603Courtesy of VOLVO CARS OF NORTH AMERICA.

Diagnostic trouble code (DTC) BCM-0050 is stored if the brake control module (BCM) registers an internal fault, such as distortion or an open-circuit in the circuit for the hydraulic valves.

Substitute Value 

  • The ABS is blocked
  • Electronic Brake force Distribution is blocked
  • Stability control is blocked
  • Traction control is blocked
  • Active yaw control is blocked
  • Brake assistance is blocked.

HINT: For information about brake system abbreviations, see  Brake system, abbreviations  . 

Possible Source 

  • Interference that has affected control module calculations
  • Internal fault in the control module.

Fault symptom[s] 

  • General warning lamp lit
  • The ABS warning lamp is lit
  • The warning lamp for brake circuit not functioning is lit
  • The anti-spin warning lamp is lit (up to and including 2002 model year)
  • The ABS system does not function
  • Anti-spin does not function
  • The stability control system does not function
  • The traction control system does not function.
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.