P0749 Volkswagen Code - Pressure Control Solenoid 'A' Intermittent
Quick Answer
The Pressure Control (PC) Solenoid Valve an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty line pressure solenoid valve 'A'. 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
- P0749 Volkswagen indicates Pressure Control Solenoid 'A' Intermittent.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty line pressure solenoid valve 'A'.
- 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 P0749 Volkswagen Description
What are the Possible Causes of the DTC P0749 Volkswagen?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty line pressure solenoid valve 'A'
- Line pressure solenoid valve 'A' harness is open or shorted
- Line pressure solenoid valve 'A' circuit poor electrical connection
How to Fix the DTC P0749 Volkswagen?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0749 Volkswagen 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 P0749 Volkswagen Code
1. What does the OBDII code P0749 mean on a Volkswagen?
P0749 indicates an intermittent issue with the pressure control solenoid 'A,' which helps regulate hydraulic pressure in the transmission.
2. What are the symptoms of the P0749 code in a Volkswagen?
Common symptoms include erratic shifting, harsh gear changes, transmission slipping, reduced fuel efficiency, and possibly the activation of the check engine light.
3. What causes the P0749 code to appear on a Volkswagen?
Possible causes include a faulty pressure control solenoid, damaged wiring or connectors, low transmission fluid levels, or a malfunctioning transmission control module (TCM).
4. Can I drive my Volkswagen with the P0749 code?
While you may be able to drive with this code, continued operation could cause further transmission damage. It's best to address the issue as soon as possible.
5. How is the P0749 code diagnosed in a Volkswagen?
A technician will use a scan tool to confirm the code, inspect the solenoid and its wiring for damage, check transmission fluid levels, and possibly perform circuit tests.
6. How do I fix the P0749 code on my Volkswagen?
Repairs may involve replacing the faulty solenoid, repairing damaged wiring, cleaning or replacing the transmission fluid, or reprogramming the TCM.
7. How much does it cost to fix the P0749 code in a Volkswagen?
Repair costs can vary, but replacing a solenoid typically costs $200–$400, including parts and labor. Additional repairs may increase the cost.
8. Can low transmission fluid cause the P0749 code?
Yes, low or contaminated transmission fluid can affect solenoid operation and trigger the P0749 code.
9. Does the P0749 code always mean the solenoid is bad?
No, the code could also be caused by electrical issues, fluid problems, or a faulty TCM, so a thorough diagnosis is necessary.
10. Can a software update fix the P0749 code on a Volkswagen?
In some cases, a TCM software update may resolve the issue if the problem is related to the control module programming.
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