OBD Guide

P28CB

Clutch A Motor Position Sensor Circuit/Open

P28CB is an OBD-II diagnostic trouble code meaning: Clutch A Motor Position Sensor Circuit/Open. Common causes: open or short circuit in the sensor circuit, clutch position sensor a malfunction. Estimated repair cost: $17–56.

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

Symptoms

  • Rough gear shifting
  • Delays when shifting gears
  • Switching to emergency mode of the gearbox
  • Check Engine Light Illuminates
  • Loss of power during acceleration

Causes

  • Open or short circuit in the sensor circuit
  • Clutch Position Sensor A Malfunction
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Transmission Control Module (TCM) Problems

How to Fix

  1. Check the continuity of the clutch position sensor A
  2. Inspect the sensor connectors and contacts for corrosion or damage.
  3. Check the resistance of the clutch position sensor
  4. Replace clutch position sensor if necessary
  5. Check and replace wiring harness if necessary

Related codes

Error P28CB by Vehicle Brand

FAQ

What does the P28CB code mean?

P28CB is an OBD-II diagnostic trouble code that indicates: Clutch A Motor Position Sensor Circuit/Open

What causes a P28CB error code?

The most common causes of P28CB include: Open or short circuit in the sensor circuit; Clutch Position Sensor A Malfunction; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P28CB diagnostic trouble code?

To fix P28CB: Check the continuity of the clutch position sensor A. Inspect the sensor connectors and contacts for corrosion or damage.. Check the resistance of the clutch position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P28CB?

Limited driving only, diagnose soon

How much does it cost to fix P28CB?

The estimated repair cost for P28CB is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat