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Technical product information
Transaction No.: 2020182/5
Release date: 28-Jun-2013
Warning lamp for power steering is on, fault numbers 16344, 16355 and 16353
Customer statement / workshop findings
The power steering of the 3rd generation does not work and the power steering warning lamp on the instrument panel comes on.
• During PLA parking
• Very quick steering wheel maneuvering while reversing
• Short-term undervoltage <6V
In the power steering control unit fault memory, the faults 16353, 16344 and 16355 are stored. The faults cannot be deleted.
Summary of SW versions
Old version – to be updated
Control unit SW
1K0.909.144.C 2301
1K0.909.144.E 2501
1K0.909.144.H 2901
1K0.909.144.J 3001
1K0.909.144.M 3201
1K0.909.144.N 3301
1K0.909.144.P 3305Production change
SW 3001 (1K0.909.144.R), production series introduction since CW 22/2013.
Measure
Update the SW of the power steering control unit. Update performed via measure code 30E1.
After the update, the following steps are to be taken:
1. Adaptation + basic setting of the steering wheel angle sender
2. Adapting the DSR function(driver steering recommendation – steering assistant)
3. Adapting the boosting characteristics of the power steering
Warranty accounting instructions
4835 2599 Power steering, control unit update 70 TUs