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!

Powertrain generic / SAE

P2159

Vehicle Speed Sensor B Range/Performance

The signal of the secondary vehicle speed sensor is implausible compared to other sensors. The ECU cannot use the value for fuel and ignition control or transmission shifting.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number1 / 59

Possible causes

  • Faulty vehicle speed sensor B high
  • Damaged wiring or connector medium
  • Sensor element aged beyond calibration window low

Inspection / repair

  • Difficulty: medium
  • DIY: possible
  • Estimated cost: 80–350 €
  • Estimated time: 0.3–1.5 h
  • Component: vehicle speed sensor
  • Component: wheel speed sensor
  • Component: vss wiring
  • MIL / check engine light
  • emissions-relevant
  • drive cycle required

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