OBD Codes List

Diagnostic reference · P07A5

P07A5

Transmission Friction Element B Stuck On

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

What it means

P07A5 means Transmission Friction Element B Stuck On.

Check these first

  • A friction element B stuck on
  • A failed solenoid pack holding element B applied
  • Debris in the element B fluid passage
  • Low or degraded transmission fluid
  • A TCM calibration fault

What to do next

  1. Read friction element B apply data on a scan tool
  2. Command the element B off and watch slip
  3. Check the fluid level and condition
  4. Test the solenoid pack on element B
  5. Repair the element B circuit if it stays applied
  6. Clear the code and retest

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Updated

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