OBD Guide

P2159

Vehicle Speed Sensor B Circuit Range/Performance

P2159 is an OBD-II diagnostic trouble code meaning: Vehicle Speed Sensor B Circuit Range/Performance. Common causes: faulty speed sensor b, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect speedometer readings
  • Gear shifting problems
  • Check Engine light comes on
  • Decreased fuel efficiency
  • Errors in cruise control operation

Causes

  • Faulty speed sensor B
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Damage to the sensor gear
  • Problems with the engine control unit

How to Fix

  1. Check continuity of speed sensor B circuit
  2. Inspect the sensor connectors for corrosion or damage.
  3. Check the condition of the sensor gear
  4. Replace speed sensor B if necessary
  5. Test the operation of the system after repair

Related codes

Error P2159 by Vehicle Brand

FAQ

What does the P2159 code mean?

P2159 is an OBD-II diagnostic trouble code that indicates: Vehicle Speed Sensor B Circuit Range/Performance

What causes a P2159 error code?

The most common causes of P2159 include: Faulty speed sensor B; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Damage to the sensor gear.

How do I fix a P2159 diagnostic trouble code?

To fix P2159: Check continuity of speed sensor B circuit. Inspect the sensor connectors for corrosion or damage.. Check the condition of the sensor gear. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2159?

Limited driving only, diagnose soon

How much does it cost to fix P2159?

The estimated repair cost for P2159 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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