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

- Code Popularity: 1,392 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated May 11, 2019
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|Code P0979 Cadillac 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 the Code P0979 Cadillac?

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 Cadillac have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code P0979 Cadillac?

Labor: 1.0

The cost of diagnosing the P0979 Cadillac 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 Code P0979 Cadillac Possible Symptoms?

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

|Code P0979 Cadillac 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 Cadillac - Shift Solenoid 'C' Control Circuit Low -
P0979 Cadillac Code - Shift Solenoid 'C' Control Circuit Low

|Need More Information on the P0979 Cadillac Code?

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

|Need Help with the P0979 Cadillac Code?

Get the P0979 Cadillac code diagnosed by a professional: Find a repair shop in your area

|Code P0979 Cadillac comments

Help us improve 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 Cadillac code? Have you replaced any parts?
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