OBD Guide

P28C6

Clutch A Motor Phase U-V-W Circuit/Open

P28C6 is an OBD-II diagnostic trouble code meaning: Clutch A Motor Phase U-V-W Circuit/Open. Common causes: broken or damaged wires in the control circuit, clutch motor malfunction. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Inability to change gears
  • Transmission fault warning light comes on
  • Transmission transition to emergency mode
  • Reduced clutch efficiency
  • Unstable engine operation when shifting gears

Causes

  • Broken or damaged wires in the control circuit
  • Clutch motor malfunction
  • Problems with the transmission control module
  • Short circuit in the circuit
  • Oxidation of connector contacts

How to Fix

  1. Check the integrity of the wiring and connectors in the control circuit
  2. Measure the resistance of the motor windings
  3. Check voltage at control connectors
  4. Scan the transmission control module for errors
  5. If necessary, replace the clutch motor

Related codes

Error P28C6 by Vehicle Brand

FAQ

What does the P28C6 code mean?

P28C6 is an OBD-II diagnostic trouble code that indicates: Clutch A Motor Phase U-V-W Circuit/Open

What causes a P28C6 error code?

The most common causes of P28C6 include: Broken or damaged wires in the control circuit; Clutch motor malfunction; Problems with the transmission control module; Short circuit in the circuit.

How do I fix a P28C6 diagnostic trouble code?

To fix P28C6: Check the integrity of the wiring and connectors in the control circuit. Measure the resistance of the motor windings. Check voltage at control connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P28C6?

Do not drive โ€” repair immediately

How much does it cost to fix P28C6?

The estimated repair cost for P28C6 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat