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!

Chassis generic / SAE

C0745

Electric Power Steering Overtemperature Protection

The EPS module has reduced or disabled assistance to protect the motor from overheating, typically after extended low-speed manoeuvring.

SystemChassis
Typegeneric / SAE
GroupC0
Range / number7 / 45

Possible causes

  • Prolonged low-speed operation (e.g. parking) high
  • Motor thermal sensor drift low

Symptoms

  • ABS warning light on
  • ESC/stability control deactivated
  • Possible reduced brake assist
  • Speedometer may behave erratically

Inspection / repair

  • Difficulty: easy
  • DIY: possible
  • Estimated cost: 0–200 €
  • Estimated time: 0–1 h
  • Component: eps motor
  • Component: eps control module

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