VOLVO
TCM-0449 - Gear 2. Gear engagement blocked
System
Transmission Control Module (TCM)
Volvo models this fault code applies to
Applies to the following models:
4 modelsC30 (2007–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
Show models by year and engine (10)
- Volvo C30 (2007–2013)2008Engine D4204T only · Transmission MPS6 only
- Volvo C30 (2007–2013)2009–2010Engine B4204S3, D4204T only · Transmission MPS6 only
- Volvo C30 (2007–2013)2011–2013Engine B4204S3 only · Transmission MPS6 only
- Volvo C70 (2006–2013)2009–2010Engine D4204T only · Transmission MPS6 only
- Volvo S40 (2004–2013)2008Engine D4204T only · Transmission MPS6 only
- Volvo S40 (2004–2013)2009–2010Engine B4204S3, D4204T only · Transmission MPS6 only
- Volvo S40 (2004–2013)2011–2012Engine B4204S3 only · Transmission MPS6 only
- Volvo V50 (2004–2013)2008Engine D4204T only · Transmission MPS6 only
- Volvo V50 (2004–2013)2009–2010Engine B4204S3, D4204T only · Transmission MPS6 only
- Volvo V50 (2004–2013)2011–2012Engine B4204S3 only · Transmission MPS6 only
What does this fault code mean?
Gear 2 is blocked. Gear 2 is one of the even gears, engaged by shift forks 3 and 4. The transmission control module (TCM) can block gears when it detects a fault that could damage the transmission if driving or shifting continues. The code is event controlled and usually means a temporary disruption rather than a permanent fault.
Possible causes
- Damaged valve
- Electrical fault that has not been detected
- Hydraulic fault that has not been detected
- Damaged gear mechanism
What you can do
- 1Clear the fault code and road test the car to see whether it returns, since the code usually reflects a temporary disruption
- 2On new cars and transmissions, the synchronisation between parts can cause temporary problems that usually clear up by themselves
- 3If the problem persists, further action is needed, and a workshop should carry out the fault tracing
- 4Note how often the problem occurs and the odometer reading, as this matters for the assessment when the fault is common on new transmissions
Symptoms you may notice3
- Yellow warning symbol and message in the display
- Shifts occur too early, too late or too often, sometimes or all the time
- Gear changes take too long to complete, sometimes or all the time
General guidance for car owners. Diagnosis on the car can point to a different cause.