OBD Codes List

Diagnostic reference · P0B0D

P0B0D

Electric/Auxiliary Transmission Fluid Pump Motor Control Module

System
Powertrain control (P code)
Lamp
Check Engine Light
Category
Powertrain - Hybrid Propulsion

What it means

P0B0D means Electric/Auxiliary Transmission Fluid Pump Motor Control Module.

Where it lives

For P0B0D, the description names the pump as the part involved.

Check these first

  • A failed transmission fluid pump motor control module
  • A short or open in the control module harness
  • Corroded control module connectors
  • Low or contaminated transmission fluid

What to do next

  1. Read transmission fluid pump control module data on a scan tool
  2. Check the control module harness for a short or open
  3. Inspect the control module connectors for corrosion
  4. Check the transmission fluid level and condition
  5. Replace the control module if the harness tests good
  6. Clear the code and retest

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Updated

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