Auxiliary Transmission Fluid Pump Overspeed
Table of contents
P179A BUICK 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 do I fix code P179A BUICK?
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 P179A BUICK code
The cost of diagnosing the P179A BUICK 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.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P179A BUICK Description
This diagnostic monitors the output speed of the high voltage motor. The absolute value of the sensed speed of the motor is compared against a threshold. If the sensed speed is above the fail threshold for sufficient time, the diagnostic will fail.