P2159

Vehicle Speed Sensor B Circuit Range/Performance

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

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

Related codes

P0500 P0501 P0502