AutoCodes – Acura – P0973 Acura

P0973 Acura Code - Shift Solenoid Valve 'A' Short

Quick Answer

When shift solenoid valves A, B, C, D, and E are turned ON, the hydraulic pressure circuit opens. Common causes include Faulty Shift Solenoid Valve 'A', Shift Solenoid Valve 'A' harness is open or shorted, Shift Solenoid Valve 'A' circuit poor electrical connection. 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
P0973 Acura indicates Shift Solenoid Valve 'A' Short.
Common causes
Common causes include Faulty Shift Solenoid Valve 'A', Shift Solenoid Valve 'A' harness is open or shorted, Shift Solenoid Valve 'A' circuit poor electrical connection.
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 9,862
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 07, 2023
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Code P0973 Acura Description

When shift solenoid valves A, B, C, D, and E are turned ON, the hydraulic pressure circuit opens. The hydraulic pressure circuit supplies/discharges hydraulic pressure to/from each clutch according to the combination of the ON/OFF status of the shift solenoid valves. The Powertrain Control Module (PCM) commands the driver circuit to turn on the shift solenoid valve. The circuit diagnoses malfunctions such as a circuit short or open, and sends back a return signal during the PCM's command. When the return signal does not match the PCM command to turn ON the shift solenoid valve, the PCM detects a malfunction and stores a Diagnostic Trouble Code (DTC).
OBDII Code P0973 Acura - Shift Solenoid Valve 'A' Short - AutoCodes.com
P0973 Acura Code - Shift Solenoid Valve 'A' Short

What are the Possible Causes of the DTC P0973 Acura?

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

How to Fix the DTC P0973 Acura?

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 P0973 Acura 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.

Need more information about the P0973 Acura code?

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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 P0973 Acura Code

1. What does OBDII code P0973 mean for an Acura?

Code P0973 indicates a short circuit in the Shift Solenoid Valve 'A' control circuit.

2. What are the common symptoms of P0973 on an Acura?

Symptoms may include erratic shifting, transmission stuck in one gear, and illuminated check engine light.

3. What causes the P0973 code to appear?

Common causes include damaged wiring or connectors, a short circuit in the solenoid, or a faulty shift solenoid valve.

4. Can driving with code P0973 damage my Acura?

Yes, prolonged driving with transmission issues can cause further damage and reduce vehicle performance.

5. How do I diagnose the P0973 code on an Acura?

Inspect the wiring and connectors for damage, check for short circuits, and test the shift solenoid valve for proper functionality.

6. Is replacing the Shift Solenoid Valve 'A' necessary to fix P0973?

Replacement may be necessary if the solenoid is confirmed defective after testing.

7. How much does it cost to fix code P0973 on an Acura?

Repair costs vary but typically range from $200 to $500 for parts and labor, depending on the specific issue.

8. Can a dirty transmission fluid cause the P0973 code?

While unlikely, contaminated or low transmission fluid can contribute to solenoid malfunctions, so fluid condition should be checked.

9. Will resetting the code fix P0973 on an Acura?

Resetting the code without addressing the underlying issue will only result in the code reappearing.

10. Can I fix code P0973 on my Acura myself?

If you have automotive knowledge, you may be able to inspect and repair wiring or replace the solenoid, but professional diagnosis is recommended.

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