Engine-Codes - Generic - P0B09

P0B09 Code - Auxiliary Transmission Fluid Pump Motor Supply Voltage Circuit/Open

- Code Popularity: 3,849 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P0B09 Code?

  • Faulty Auxiliary Transmission Fluid Pump
  • Auxiliary Transmission Fluid Pump harness is open or shorted
  • Auxiliary Transmission Fluid Pump circuit poor electrical connection

|How to Fix the P0B09 Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the cost to diagnose the P0B09 code?

Labor: 1.0

The cost to diagnose the P0B09 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P0B09 code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the P0B09 Code Mean?

The Engine Control Module (ECM) monitors the Auxiliary Transmission Fluid Pump Motor. The ECM sets the OBDII code when the Auxiliary Transmission Fluid Pump Motor signal is out of factory specifications.

Auxiliary Transmission Fluid Pump Motor Supply Voltage Circuit/Open

|Need more information with the P0B09 code?

Need more information on how to fix the P0B09 code?
Get Access to Factory Service Manuals

|P0B09 code information for specific makes

  • P0B09 BUICK Auxiliary Transmission Fluid Pump Supply Voltage Relay Control Circuit
  • P0B09 CADILLAC Auxiliary Transmission Fluid Pump Supply Voltage Relay Control Circuit
  • P0B09 CHEVROLET Auxiliary Transmission Fluid Pump Supply Voltage Relay Control Circuit
  • P0B09 GMC Auxiliary Transmission Fluid Pump Supply Voltage Relay Control Circuit

|Need help with a P0B09 code?

Get the p0b09 code diagnosed by a professional: Find a repair shop in your area