Checking Lock-Up Function
Need a step-by-step guide?
Get an AI-powered repair guide with parts lists, cost estimates, and clear instructions for your 2013 Volvo.
Checking the lock-up function
Checking the lock-up function
If Transmission control module (TCM) receives information from Brake control module (BCM) that a wheel sensor is off, then Transmission control module (TCM) turns off the lock-up function during engine braking. Then the Lock-up function will be constantly open and the engine receives idle rpm during engine braking.
Fault cause
- Look for the cause of the fault in the brake control module (BCM).
Fault symptom
- Automatic transmission/Lockup does not work
Continue - DONE
-------------------------------------------------