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P0979 BUICK Code - Shift Solenoid 'C' Control Circuit Low

- Code Popularity: 1,189 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By AutoCodes.com - Updated May 11, 2017
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|P0979 BUICK code possible causes

  • Faulty Shift Solenoid 'C'
  • Shift Solenoid 'C' harness is open or shorted
  • Shift Solenoid 'C' circuit poor electrical connection

|How do I fix code P0979 BUICK 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.

Does your car have Safety Recalls? → Check here

|Cost of diagnosing P0979 BUICK code

Labor: 1.0

The cost of diagnosing the P0979 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.

|What are P0979 BUICK code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Lack/Loss of power
  • Transmission shifting problems

|P0979 BUICK code description

The Engine Control Module (ECM) commands gear shifts by turning the shift solenoid valves ON/OFF . When there is an open or short circuit in any shift solenoid valve circuit, the ECM detects the problem and illuminates the engine light and stores the Diagnostic Trouble Code (DTC), and the ECM performs the fail-safe function and turns the other shift solenoids valves in good condition ON/OFF .

OBDII Code p0979 buick - Shift Solenoid 'C' Control Circuit Low - AutoCodes.com
P0979 BUICK Code - Shift Solenoid 'C' Control Circuit Low

|Need more information with the P0979 BUICK code?

Need more information on how to fix the P0979 BUICK code? Get Access to Factory Service Manuals

|Need help with a P0979 BUICK code?

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|P0979 BUICK code comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the p0979 buick code? Have you replaced any parts?
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