Occurring error codes displayed :

[SGR] – 48 – Supply voltage (potential 30) too low
[SGR] – 68 – Speed sensor B35 planetary carrier 1/2 — interruption or short circuit to ground
[SGR] – 72 – Speed sensor B27 output speed 1 — interruption or short circuit to ground
[SGR] – 76 – Speed sensor B25 planetary carrier 3/4 — interruption or short circuit to ground