Engine-CodesCadillac – P0968 Cadillac

P0968 Cadillac Code - Pressure Control Solenoid Valve 3 Control Circuit Open

Quick Answer

The P0968 diagnostic trouble code for Cadillac vehicles indicates an issue with the Pressure Control Solenoid Valve 3 Control Circuit being open. Common causes include Faulty Pressure Control Solenoid Valve 3, Wiring issues or corrosion in the circuit, Electrical connection problems. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0968 Cadillac indicates Pressure Control Solenoid Valve 3 Control Circuit Open.
Common causes
Common causes include Faulty Pressure Control Solenoid Valve 3, Wiring issues or corrosion in the circuit, Electrical connection problems.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Aug 19, 2024
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Code P0968 Cadillac Description

The P0968 diagnostic trouble code for Cadillac vehicles indicates an issue with the Pressure Control Solenoid Valve 3 Control Circuit being open. This valve is responsible for regulating the hydraulic pressure within the transmission, which is crucial for smooth gear shifting and overall transmission operation. When this circuit is open, it means that there is a lack of control over the pressure, potentially leading to erratic shifting, harsh gear changes, or even transmission slipping. If left unresolved, this issue can cause further damage to the transmission components and result in costly repairs down the line.

OBDII Code P0968 Cadillac - Pressure Control Solenoid Valve 3 Control Circuit Open
P0968 Cadillac Code - Pressure Control Solenoid Valve 3 Control Circuit Open

Common Causes of P0968 Cadillac

  1. Faulty Pressure Control Solenoid Valve 3
  2. Wiring issues or corrosion in the circuit
  3. Electrical connection problems
  4. Transmission fluid contamination or low fluid levels
  5. Internal transmission damage or wear

Symptoms of P0968 Cadillac

  1. Erratic or harsh shifting
  2. Transmission slipping
  3. Delayed engagement when shifting gears
  4. Poor fuel efficiency
  5. Illumination of the Check Engine Light

How to Fix P0968 Cadillac

  1. Diagnose the issue using a scan tool to confirm the P0968 code and check for any other related codes.
  2. Inspect the wiring harness and connections for any damage or corrosion, repairing or replacing as needed.
  3. Test the Pressure Control Solenoid Valve 3 for proper operation and replace if faulty.
  4. Check the transmission fluid level and condition, topping up or performing a fluid flush if necessary.
  5. Clear the codes, reset the transmission adaptations, and test drive the vehicle to ensure proper operation.

Cost to Fix P0968 Cadillac

The cost of repairing a P0968 code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the parts for this repair can range from $100 to $300, with labor costs adding an additional $150 to $300 or more. Overall, you can expect to pay anywhere from $250 to $600 for resolving this problem. Keep in mind that these are rough estimates, and actual costs may differ based on your location and the repair shop you choose.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0968 Cadillac Code

1. What does the OBDII code P0968 mean on a Cadillac?

P0968 indicates an open circuit issue in the Pressure Control Solenoid Valve 3 control circuit, which affects the transmission's ability to regulate hydraulic pressure.

2. What are the common symptoms of the P0968 code on a Cadillac?

Common symptoms include harsh or erratic shifting, transmission slipping, reduced fuel efficiency, and possible activation of the check engine light.

3. What causes the P0968 code to appear on a Cadillac?

This code can be caused by a faulty pressure control solenoid, damaged wiring or connectors in the solenoid circuit, a failed transmission control module (TCM), or low transmission fluid levels.

4. How can I fix the P0968 code on my Cadillac?

Inspect and repair any damaged wiring or connectors, replace the faulty pressure control solenoid if necessary, check and top off transmission fluid levels, or reprogram/replace the TCM if required.

5. Can I drive my Cadillac with the P0968 code active?

Driving with this code is not recommended, as it can cause further damage to the transmission and lead to unsafe driving conditions due to erratic shifting.

6. How is the P0968 code diagnosed on a Cadillac?

A technician will use a scan tool to confirm the code, inspect the wiring and connectors for damage, test the solenoid for proper functionality, and check the TCM for faults.

7. Is low transmission fluid a possible cause of the P0968 code?

Yes, low transmission fluid can lead to improper hydraulic pressure in the transmission, potentially triggering the P0968 code.

8. How much does it typically cost to repair the P0968 code on a Cadillac?

Repair costs can range from $150 to $500 or more, depending on whether wiring repairs, solenoid replacement, or TCM reprogramming/replacement is needed.

9. Can a bad transmission control module (TCM) trigger the P0968 code?

Yes, a malfunctioning TCM can cause the P0968 code by failing to properly control the pressure control solenoid.

10. How can I prevent the P0968 code from recurring on my Cadillac?

Regularly maintain your transmission by checking fluid levels, inspecting wiring and connectors, and addressing any transmission issues promptly to avoid circuit failures.

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