What does fault code TCM-0570 mean?

Diagnostic fault code details for TCM-0570 (Volvo C30 (2007–2013), Volvo C30 (2007–2013), Volvo C30 (2007–2013)). Repair service at OBD Tuning.

VOLVO

TCM-0570 - Multiplex solenoid driver, clutch cooling and hydraulic pressure gear change. Open circuit

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?

Solenoid SHCMS, which controls clutch cooling and the hydraulic pressure used for gear changes, has an open circuit. The solenoids in the mechatronic unit also control the shift forks so that the correct gear is engaged. The cause is a damaged or dirty connector or circuit board, a damaged solenoid, or a damaged transmission control module.

Possible causes

Connector or circuit board damaged or dirty
Damaged solenoid
Damaged transmission control module (TCM)

What you can do

1Read the fault codes, clear TCM-0570 and drive the car to see whether it returns
2Have a workshop open the transmission control system and check the solenoid for corrosion, poor contact, dirt or metal build-up. Check the oil level as well
3If the fault was found and fixed, the mechatronic unit can be refitted. Otherwise a workshop needs to replace it

Symptoms you may notice5

Malfunction Indicator Light (check engine) lit or behaving abnormally
Yellow warning symbol and text message in the display
The car may feel weak or lack power when pulling away from a standstill
No forward or reverse movement with a gear selected
Shifts hard or jerky

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