AutoCodes – Buick – P0967 Buick

P0967 Buick Code - Pressure Control Solenoid Valve 2 Control Circuit High Voltage

Quick Answer

The pressure control solenoid 2 is part of the control solenoid valve assembly which has no serviceable parts. Common causes include Low transmission fluid, Faulty Control Solenoid Valve Assembly, Control Solenoid Valve Assembly harness is open or shorted. 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
P0967 Buick indicates Pressure Control Solenoid Valve 2 Control Circuit High Voltage.
Common causes
Common causes include Low transmission fluid, Faulty Control Solenoid Valve Assembly, Control Solenoid Valve Assembly harness is open or shorted.
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.
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Code Popularity 1,586
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 25, 2024
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Code P0967 Buick Description

The pressure control solenoid 2 is part of the control solenoid valve assembly which has no serviceable parts. The normally high-pressure control solenoid 2 regulates and directs the pressure control solenoid 2 oil pressure to the 3-5 reverse clutch regulator valve and 3-5 reverse clutch boost valve. Increasing pressure control solenoid 2 pressure increases pressure to the 3-5 reverse clutch. The Transmission Control Module (TCM) varies the current to the pressure control solenoid 2 through a low side driver. Decreasing the current to the pressure control solenoid 2 increases pressure control solenoid 2 oil pressure by closing OFF the solenoid exhaust port. Increasing the current to the pressure control solenoid 2 decreases pressure control solenoid 2 oil pressure by opening the solenoid exhaust port. Pressure control solenoid 2 power is supplied by the Transmission Control Module through a high side driver. The high-side driver protects the circuit and components from excessive current flow. If excessive current flow is detected, the high side driver will turn OFF. When the fault is corrected, the high-side driver will reset.
The Diagnostic Trouble Code (DTC) will be set when the Transmission Control Module detects an open or short to voltage on the clutch pressure control solenoid 2 control circuit, for 1 s.
OBDII Code P0967 Buick - Pressure Control Solenoid Valve 2 Control Circuit High Voltage - AutoCodes.com
P0967 Buick Code - Pressure Control Solenoid Valve 2 Control Circuit High Voltage

What are the Possible Causes of the DTC P0967 Buick?

  • Low transmission fluid
  • Faulty Control Solenoid Valve Assembly
  • Control Solenoid Valve Assembly harness is open or shorted
  • Control Solenoid Valve Assembly circuit poor electrical connection

How to Fix the DTC P0967 Buick?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0967 Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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 P0967 Buick Code

1. What does the OBDII code P0967 mean on a Buick?

P0967 indicates a high voltage issue in the control circuit of the Pressure Control Solenoid Valve 2, which helps regulate hydraulic pressure in the transmission.

2. What are the common symptoms of code P0967 in a Buick?

Symptoms may include harsh or delayed shifting, transmission slipping, poor fuel economy, illuminated check engine light, or the vehicle going into limp mode.

3. What causes the P0967 code on a Buick?

Common causes include a faulty pressure control solenoid, damaged wiring or connectors in the solenoid circuit, a failed transmission control module (TCM), or low transmission fluid.

4. Can I drive my Buick with a P0967 code?

Driving with this code is not recommended, as it can lead to further transmission damage or unsafe driving conditions due to shifting issues.

5. How do I diagnose the P0967 code on a Buick?

Diagnosis involves checking the transmission fluid level and condition, inspecting the wiring and connectors for damage, testing the pressure control solenoid, and scanning the TCM for additional codes.

6. How do I fix the P0967 code on my Buick?

Repairs may include replacing the pressure control solenoid, repairing or replacing damaged wiring, cleaning connectors, or, in rare cases, replacing the transmission control module.

7. What tools are needed to troubleshoot code P0967?

You'll need an OBDII scanner, a multimeter to test electrical circuits, and possibly a transmission pressure gauge for further diagnostics.

8. Can low transmission fluid cause the P0967 code?

Yes, low or contaminated transmission fluid can cause pressure control solenoid issues, leading to this code.

9. How much does it cost to fix the P0967 code on a Buick?

Repair costs can vary but typically range from $150 to $400, depending on whether you need to replace the solenoid or repair the wiring.

10. Will clearing the P0967 code solve the problem?

Clearing the code will turn off the check engine light temporarily, but the underlying issue must be fixed to prevent the code from returning.

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