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.
2012 Volvo XC70 T-6FACTORY OEM SERVICE PROCEDURE
Closing Velocity Module (CVM) DTCS
CLOSING VELOCITY MODULE (CVM) - DTC INDEX
| DTC | Volvo Code | Description |
|---|---|---|
| U0001 | CVM-U000100 | High Speed CAN Communication Bus. General Failure Information. No sub type information |
| U0028 | CVM-U002800 | Vehicle Communication Bus A. General Failure Information. No sub type information |
| U0100 | CVM-U010000 | Lost Communication With Engine control module. General Failure Information. No sub type information |
| U0121 | CVM-U012100 | Lost Communication With Brake Control Module. General Failure Information. No sub type information |
| U0126 | CVM-U012600 | Lost Communication With Steering Angle Sensor Module. General Failure Information. No sub type information |
| U0140 | CVM-U014000 | Lost Communication With Central electronic module. General Failure Information. No sub type information |
| U0300 | CVM-U030000 | Internal Control Module Software Incompatibility. General Failure Information. No sub type information |
| U0300 | CVM-U03004A | Internal Control Module Software Incompatibility. System Internal Failures. Incorrect component installed |
| U0401 | CVM-U040168 | Invalid Data Received From Engine control module. Algorithm Based Failures. Event information |
| U0415 | CVM-U041568 | Invalid Data Received From Brake control module. Algorithm Based Failures. Event information |
| U0424 | CVM-U042468 | Invalid Data Received From HVAC Control Module. Algorithm Based Failures. Event information |
| U0428 | CVM-U042868 | Invalid Data Received From Steering Angle Sensor Module. Algorithm Based Failures. Event information |
| U1A14 | CVM-U1A1449 | CAN Initialization Failure. System Internal Failures. Internal electronic failure |
| U2100 | CVM-U210000 | Control Module Not Configured. General Failure Information. No sub type information |
| U2101 | CVM-U210100 | Control Module Configuration Incompatible. General Failure Information. No sub type information |
| U3000 | CVM-U300000 | Control Module. General Failure Information. No sub type information |
| U3000 | CVM-U300064 | Control Module. Algorithm Based Failures. Signal plausibility failure |
| U3000 | CVM-U300066 | Control Module. Algorithm Based Failures. Signal has too many transitions/events |
| U3003 | CVM-U300362 | Battery Voltage. Algorithm Based Failures. Signal compare failure |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
