P0B04 - Auxiliary Transmission Fluid Pump Motor Phase V Current Low
P0B04 Possible Causes
- Faulty Auxiliary Transmission Fluid Pump
- Auxiliary Transmission Fluid Pump harness is open or shorted
- Auxiliary Transmission Fluid Pump circuit poor electrical connection
First diagnose P0B04 code
Check 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.
Cost of diagnosing the P0B04 code
Labor: 1.0The cost of diagnosing the P0B04 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
P0B04 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0b04 DescriptionThe 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.
P0B04 More InformationNeed more information on how to fix the P0B04 code?
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