OBD Guide

P28DB

Clutch B Motor Position Sensor Circuit Range/Performance

P28DB is an OBD-II diagnostic trouble code meaning: Clutch B Motor Position Sensor Circuit Range/Performance. Common causes: clutch motor position sensor fault 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 clutch operation
  • Problems when shifting gears
  • The Check Engine light comes on
  • Reduced vehicle dynamics
  • Possible jerks when switching

Causes

  • Clutch motor position sensor fault B
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Mechanical failure of the clutch motor
  • Problems with the transmission control unit

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect the connectors and contacts of the sensor
  3. Check sensor resistance
  4. Replace position sensor if necessary
  5. Check the operation of the clutch motor

Related codes

Error P28DB by Vehicle Brand

FAQ

What does the P28DB code mean?

P28DB is an OBD-II diagnostic trouble code that indicates: Clutch B Motor Position Sensor Circuit Range/Performance

What causes a P28DB error code?

The most common causes of P28DB include: Clutch motor position sensor fault B; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Mechanical failure of the clutch motor.

How do I fix a P28DB diagnostic trouble code?

To fix P28DB: Check the integrity of the sensor circuit. Inspect the connectors and contacts of the sensor. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P28DB?

Limited driving only, diagnose soon

How much does it cost to fix P28DB?

The estimated repair cost for P28DB is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat