Mercedes A & B-Class 722.8 TCM – Turbine Speed Sensor & Bond Wire Repair Bench test the selector and

Bench test the selector and transmission signals before return

Another common issue that we can repair is a no-crank error caused by the failure of the PSU inside the ECU

Turnaround Time: 1–2 business daysWarranty: 12 months – verified clear crash data and readiness status

or power distribution issues within the module

Mercedes A & B-Class 722.8 TCM – Turbine Speed Sensor & Bond Wire Repair Bench test the selector andMercedes A & B Class 722. 8 TCM Turbine Speed Sensor & Bond Wire RepairThis is a repair service for the Transmission Control Module (TCM) used in Mercedes A Class and B Class vehicles fitted with the 722. 8 CVT automatic transmission. Common failures include: Turbine speed sensor faults (Y3 9b4) Internal bond wire failure No gear engagement or limp mode Transmission related fault codes We address both sensor and bond failure issues, replacing faulty