OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Network generic / SAE

U0295

Lost Communication with Power Steering Control Module

The vehicle network has lost the electric power steering (EPS) control module. Power assist drops out, the steering becomes heavy and the EPS warning lamp lights up.

SystemNetwork
Typegeneric / SAE
GroupU0
Range / number2 / 95

Possible causes

  • EPS module unpowered high
  • CAN wiring to EPS damaged medium
  • Gateway module routing CAN messages incorrectly low

Symptoms

  • Multiple warning lights may illuminate
  • Affected modules may go into limp mode or shut down
  • Specific functions inoperative depending on module
  • Diagnostic tools may show communication faults

Inspection / repair

  • Difficulty: hard
  • DIY: shop recommended
  • Estimated cost: 120–1500 €
  • Estimated time: 0.5–4 h
  • Component: eps module
  • Component: can bus wiring
  • MIL / check engine light
  • limp mode possible

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication