Error code

OBD2 P2159

OBD2P2159
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Vehicle Speed Sensor 'B' Range/Performance.

Severity

moderateCan be driven, but not recommended due to potential safety issues and poor driving experience.

Summary

The P2159 diagnostic trouble code indicates that there is an issue with the vehicle speed sensor 'B' (VSS B), which could be related to range or performance problems. The exact location of VSS B varies by vehicle make, but it typically corresponds to a front wheel speed sensor.

Symptoms

  • ABS warning light
  • Faulty speedometer
  • Erratic transmission behavior
  • Inaccurate odometer and tachometer readings
  • Issues with cruise control

Common Causes

  • Faulty wheel speed sensor B
  • Open or short in harness wiring
  • Poor wiring connections
  • Incorrect PCM configuration
  • Inappropriate wheels installed

Diagnosis

  1. Inspect the wiring around the wheel speed sensor B for any damage or exposure.
  2. Check the voltage of the WSS B against manufacturer standards.
  3. Verify if there are any ABS system issues contributing to the problem.

Fixes

  • Replace the faulty wheel speed sensor B

FAQ

Can I drive with a P2159 code?

You can drive, but it is not recommended due to potential safety issues and poor driving experience.

What other codes are related to P2159?

Other related codes include P2158 (VSS B voltage variation), P2160 (low VSS B circuit voltage), P2161 (erratic VSS B), and P2162 (discrepancies between two vehicle speed sensors).

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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