OBD Codes List

Diagnostic reference · P2728

P2728

Pressure Control Solenoid E Control Circuit Range/Performance

System
Transmission (P code)
Lamp
Check Engine Light
Category
Powertrain - Transmission

What it means

P2728 means Pressure Control Solenoid E Control Circuit Range/Performance.

Where it lives

For P2728, start at the solenoid the description names.

Check these first

  • A pressure control solenoid E reading outside its expected range
  • High resistance in the pressure control solenoid E control circuit
  • A failed pressure control solenoid E
  • A sticking valve body skewing pressure control solenoid E operation

What to do next

  1. Read pressure control solenoid E status on a scan tool
  2. Compare the pressure control solenoid E output through a full command sweep
  3. Test the pressure control solenoid E control circuit for added resistance
  4. Check transmission fluid level and condition
  5. Replace pressure control solenoid E if the output stays skewed
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.