VOLVO
BCM-C006A16 - Multi-axis Acceleration Sensor. General Electrical Failures. Circuit voltage below threshold
System
Brake Control Module (BCM)
Volvo models this fault code applies to
Applies to the following models:
9 modelsC30 (2007–2013), C70 (2006–2013), S40 (2004–2013), S80 (2007–), V50 (2004–2013), V70 (2008–), XC60 (2009–), XC70 (2008–), XC90 (2003–)
Show models by year and engine (14)
- Volvo C30 (2007–2013)2011–2013Engine D4162T, D5204T, D5204T5 only
- Volvo C70 (2006–2013)2011Engine D5204T, D5204T5 only
- Volvo C70 (2006–2013)2012–2013All engines except: B5254T7
- Volvo S40 (2004–2013)2011–2012Engine D4162T, D5204T, D5204T5 only
- Volvo S80 (2007–)2007–2015
- Volvo V50 (2004–2013)2011–2012Engine D4162T, D5204T, D5204T5 only
- Volvo V70 (2008–)2008–2015
- Volvo XC60 (2009–)2009–2012
- Volvo XC70 (2008–)2008–2015
- Volvo XC90 (2003–)2005–2006Engine B8444S only
- Volvo XC90 (2003–)2007–2010Engine B6324S, B8444S only
- Volvo XC90 (2003–)2011Engine B6324S5, B8444S only
- Volvo XC90 (2003–)2012Engine B6324S5 only
- Volvo XC90 (2003–)2013–2014All engines except: B5254T9
What does this fault code mean?
The voltage to the AYC sensor in the stability system is below the threshold. The sensor needs a stable supply to work, and when that is missing, the stability functions are blocked.
Possible causes
- Contact resistance in the connections to the AYC sensor
- Wires shorted to ground
- Break in the wires
- Internal fault in the AYC sensor
What you can do
- 1Read and note the code, clear it and road test the car to see whether it returns. Wait a moment after switching the ignition on before reading the code
- 2Check the connectors at the brake control module and the AYC sensor for contact resistance and oxidation
- 3Check that the battery is in good condition and that the charging system works, as low voltage can cause this fault
- 4Check the wires for breaks and short circuits to ground, and the supply voltage to the sensor, with diagnostic equipment
- 5The braking system is safety critical: do not work on the AYC sensor or braking system yourself; leave this to a workshop
Symptoms you may notice5
- General warning lamp on
- Anti-spin function does not work
- Stability function does not work
- Anti-skid function does not work
- Adaptive cruise control and collision warning do not work
What the fault can affect1
- Traction control, stability control and dynamic stability control (AYC) are blocked
General guidance for car owners. Diagnosis on the car can point to a different cause.