P1738 Acura Code - Problem in 2nd Clutch Pressure Switch Circuit
Quick Answer
The 2nd Clutch Pressure Switch is normally an open switch, the switch closes when the 2nd clutch oil press is applied to it. Common causes include Faulty 2nd Clutch Pressure Switch, 2nd Clutch Pressure Switch harness is open or shorted, 2nd Clutch Pressure Switch 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
- P1738 Acura indicates Problem in 2nd Clutch Pressure Switch Circuit.
- Common causes
- Common causes include Faulty 2nd Clutch Pressure Switch, 2nd Clutch Pressure Switch harness is open or shorted, 2nd Clutch Pressure Switch 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.
Code P1738 Acura Description
What are the Possible Causes of the DTC P1738 Acura?
- Faulty 2nd Clutch Pressure Switch
- 2nd Clutch Pressure Switch harness is open or shorted
- 2nd Clutch Pressure Switch circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC P1738 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 P1738 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.
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Frequently Asked Questions about P1738 Acura Code
What does the OBDII code P1738 mean for an Acura?
Code P1738 indicates a problem in the 2nd clutch pressure switch circuit, which monitors hydraulic pressure in the transmission.
What are common symptoms of P1738 on an Acura?
Symptoms include transmission slipping, harsh shifting, delayed gear engagement, and activation of the check engine light.
What causes P1738 to appear on an Acura?
Common causes include a faulty 2nd clutch pressure switch, damaged wiring or connectors, or fluid pressure issues within the transmission.
Can driving with code P1738 damage my Acura?
Yes, prolonged driving with this code can cause transmission damage, as improper fluid pressure may lead to excessive wear.
How is P1738 diagnosed on an Acura?
Technicians typically use a scan tool to verify the code, inspect the 2nd clutch pressure switch and wiring, and perform pressure tests on the transmission.
How can I fix P1738 on my Acura?
The repair may involve replacing the 2nd clutch pressure switch, repairing damaged wiring, or addressing internal transmission issues.
Is the 2nd clutch pressure switch expensive to replace?
The part is relatively affordable, but labor costs may vary depending on the transmission's accessibility.
Can low transmission fluid cause P1738 on an Acura?
Yes, insufficient or degraded transmission fluid can affect hydraulic pressure and trigger this code.
How do I prevent P1738 from occurring on my Acura?
Regular transmission fluid maintenance and inspections of wiring and sensors can help prevent this issue.
Do I need to reprogram my Acura after fixing P1738?
Reprogramming is usually not required, but clearing the code and performing a test drive is necessary to ensure the issue is resolved.
Discuss the causes and fixes for P1738 Acura OBDII Code
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