Mercedes Benz Siemens FTC (722.7) TCUs

Common problems

  • Multiple Gear change errors errors
  • P1840 - Valve Y3/7Y1 - PWM Solenoid valve 1/4 shift
  • P1841 - Valve Y3/7Y2 - PWM Solenoid valve 3 shift
  • P1842 - Valve Y3/7Y3 - PWM Solenoid valve 2/5/R shift
  • P1843 - Valve Y3/7Y4 - PWM Solenoid valve Torque converter lock up clutch
  • P1850 - Y3/7N1 - Transmission RPM sensor
  • P1858 - Y3/7S1 - Starter lock-out contact

How we work

We remanufacture the part you send. Prices are exclusive of VAT and possible shipping costs. Offer only applies to garages and dealers and not to individuals.

Professional remanufacturing
15+ years of experience
24 month warranty
Qualitative alternative
Technical support
Affordable pricing