P0964 Cadillac Code - Pressure Control Solenoid Valve 2 Control Circuit Open
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
- P0964 Cadillac indicates Pressure Control Solenoid Valve 2 Control Circuit Open.
- 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.
Code P0964 Cadillac Description
The Diagnostic Trouble Code (DTC) will be set when the Transmission Control Module detects an open on the pressure control solenoid valve 2 control circuit for 1 s.
What are the Possible Causes of the DTC P0964 Cadillac?
- 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 P0964 Cadillac?
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 P0964 Cadillac 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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Frequently Asked Questions about P0964 Cadillac Code
1. What does the OBDII code P0964 mean on a Cadillac?
P0964 indicates an issue with the Pressure Control Solenoid Valve 2 Control Circuit, specifically that the circuit is open or not functioning properly.
2. What are the common symptoms of a P0964 code on a Cadillac?
Symptoms may include harsh or delayed shifting, transmission slipping, poor fuel economy, or the vehicle going into limp mode.
3. What causes the P0964 code to appear on a Cadillac?
Common causes include a faulty pressure control solenoid, damaged wiring or connectors in the control circuit, low transmission fluid levels, or internal transmission issues.
4. Can I drive my Cadillac with a P0964 code?
While the car may still be drivable, operating it with this code can cause further damage to the transmission and should be addressed promptly.
5. How do I diagnose the P0964 code on a Cadillac?
Diagnosis involves checking the transmission fluid level, inspecting the wiring and connectors for damage, testing the pressure control solenoid, and verifying power and ground at the solenoid circuit.
6. What tools are needed to fix a P0964 code on a Cadillac?
Common tools include an OBDII scanner, multimeter, and basic hand tools for inspecting and replacing wiring or solenoids.
7. How much does it cost to repair a P0964 code on a Cadillac?
The repair cost varies but typically ranges from $200 to $500, depending on whether the solenoid or wiring needs replacement and labor rates.
8. Can low transmission fluid cause a P0964 code on a Cadillac?
Yes, low or contaminated transmission fluid can cause improper solenoid operation, leading to the P0964 code.
9. Do I need to reprogram the transmission control module (TCM) after fixing a P0964 code?
In most cases, reprogramming is not required, but clearing the code and performing a test drive is necessary to ensure the issue is resolved.
10. What happens if I ignore the P0964 code on my Cadillac?
Ignoring the code can lead to worsening transmission problems, increased repair costs, and possible transmission failure.
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