OBD Guide

P28DA

Clutch B Motor Position Sensor Circuit/Open

P28DA is an OBD-II diagnostic trouble code meaning: Clutch B Motor Position Sensor Circuit/Open. Common causes: broken wires in the sensor circuit, poor contact in the sensor connector. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Transmission of the gearbox into emergency mode
  • Difficulty shifting gears
  • Loss of engine power
  • Check Engine Light Illuminates
  • Unstable engine operation at idle

Causes

  • Broken wires in the sensor circuit
  • Poor contact in the sensor connector
  • Clutch motor position sensor fault B
  • Wiring harness damage
  • Problems with the transmission control unit

How to Fix

  1. Check the integrity of wires and connectors in the sensor circuit
  2. Test the resistance of the position sensor
  3. Check power and ground in the sensor circuit
  4. Replace clutch motor position sensor B if necessary
  5. Scan the control unit for additional errors

Related codes

Error P28DA by Vehicle Brand

FAQ

What does the P28DA code mean?

P28DA is an OBD-II diagnostic trouble code that indicates: Clutch B Motor Position Sensor Circuit/Open

What causes a P28DA error code?

The most common causes of P28DA include: Broken wires in the sensor circuit; Poor contact in the sensor connector; Clutch motor position sensor fault B; Wiring harness damage.

How do I fix a P28DA diagnostic trouble code?

To fix P28DA: Check the integrity of wires and connectors in the sensor circuit. Test the resistance of the position sensor. Check power and ground in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P28DA?

Limited driving only, diagnose soon

How much does it cost to fix P28DA?

The estimated repair cost for P28DA is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat