Engine-Codes - Subaru - P0B0B SUBARU

P0B0B SUBARU - Auxiliary Transmission Fluid Pump Motor Supply Voltage Circuit High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P0B0B SUBARU Possible Causes

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

How is the P0B0B SUBARU code repair?

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.

Tech Notes

There is a factory service bulletin for the P0B0B code. The factory recommends replacing A leaking o-ring which seals the electric oil pump relief valve may allow CVT fluid to enter the pump’s electric motor.

What is the cost to diagnose the P0B0B SUBARU code

Labor: 1.0

The cost to diagnose the P0B0B SUBARU code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

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

P0B0B SUBARU Meaning

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.

More Information

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