P0B09 BUICK - Auxiliary Transmission Fluid Pump Supply Voltage Relay Control Circuit
P0B09 BUICK Possible Causes
- Faulty Starter Generator Control Module
- Starter Generator Control Module harness is open or shorted
- Starter Generator Control Module circuit poor electrical connection
How is the P0B09 BUICK 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.
What is the cost to diagnose the P0B09 BUICK code
Labor: 1.0The cost to diagnose the P0B09 BUICK 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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- Engine Light ON (or Service Engine Soon Warning Light)
P0B09 BUICK MeaningThe generator control module also called the starter generator control module is comprised of the following three control modules; the hybrid powertrain control module, 14 volt power module and the drive motor control module. These three control modules are non serviceable and are part of the generator control module.
The transmission fluid pump - auxiliary is used to maintain transmission fluid line pressure to the transmission during Autostop mode. The transmission fluid pump - auxiliary is externally mounted to the transmission case assembly. The hybrid powertrain control module controls the auxiliary pump by providing the ground path to the transmission pump relay - auxiliary coil control circuit.
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