What does fault code TCM-05D2 mean?

Diagnostic fault code details for TCM-05D2 (Volvo C30 (2007–2013), Volvo C30 (2007–2013), Volvo C30 (2007–2013)). Repair service at OBD Tuning.

VOLVO

TCM-05D2 - Multiplex function solenoid, clutch pressure/cooling even gears. Hydraulic pressure too high

System

Transmission Control Module (TCM)

Volvo models this fault code applies to

Applies to the following models:

4 models

C30 (2007–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)

Show models by year and engine (10)

What does this fault code mean?

The hydraulic pressure on the clutch for the even gears is too high, which means there is pressure on the clutch when an even gear is engaged or disengaged. The fault may be caused by a low oil level, or by a damaged solenoid, valve CSM2 or pressure sensor.

Possible causes

Low oil level
Damaged solenoid
Damaged valve CSM2, which routes the pressure between clutch and gear shifting
Damaged pressure sensor

What you can do

1Read the fault codes, clear TCM-05D2 and drive the car to see whether it comes back
2Have a workshop check the transmission oil level. A low level can cause this fault
3Have a workshop open the transmission control system and inspect the solenoid and the oil level
4If the fault cannot be found or fixed, a workshop must replace the mechatronic unit

Symptoms you may notice5

Malfunction Indicator Light (check engine) lit or behaving abnormally
Yellow warning symbol and text message in the display
Shifts hard or jerky
No automatic gear changes
Shifts too early, too late or too often

General guidance for car owners. Diagnosis on the car can point to a different cause.