P1772 Code - Low Coast Brake Solenoid Valve
Quick Answer
The P1772 diagnostic trouble code (DTC) refers to a fault in the low coast brake solenoid valve circuit. Common causes include Faulty low coast brake solenoid valve, Wiring or connector issues in the solenoid circuit, Low transmission fluid level or poor quality fluid. 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
- P1772 indicates Low Coast Brake Solenoid Valve.
- Common causes
- Common causes include Faulty low coast brake solenoid valve, Wiring or connector issues in the solenoid circuit, Low transmission fluid level or poor quality fluid.
- 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 P1772 Description
The P1772 diagnostic trouble code (DTC) refers to a fault in the low coast brake solenoid valve circuit. This valve is a crucial component of the vehicle's transmission system, particularly in automatic transmissions. When this solenoid fails or malfunctions, it can lead to various issues with the vehicle's performance and drivability.
Common Causes of P1772
- Faulty low coast brake solenoid valve
- Wiring or connector issues in the solenoid circuit
- Low transmission fluid level or poor quality fluid
- Electrical problems in the transmission control module
- Mechanical issues in the transmission system
Symptoms of P1772
- Harsh or delayed shifting
- Transmission slipping
- Transmission not shifting
- Decreased fuel efficiency
- Illumination of the Check Engine Light
How to Fix P1772
- Diagnose the exact cause of the P1772 code using a diagnostic scanner to pinpoint the issue with the low coast brake solenoid valve.
- Inspect the wiring and connectors associated with the solenoid valve for any damage or corrosion. Repair or replace as necessary.
- Check the transmission fluid level and quality. Top up or replace the fluid if necessary.
- Test the low coast brake solenoid valve for proper operation and replace it if it is found to be faulty.
- Clear the DTC and test drive the vehicle to ensure that the issue has been resolved and the transmission is functioning correctly.
Cost to Fix P1772
The cost of repairing a low coast brake solenoid valve can vary depending on the make and model of the vehicle, the extent of the damage, and the labor rates in your area. On average, the parts for this repair can range from $100 to $300, while the labor cost can be around $150 to $300. Therefore, the total cost could be anywhere from $250 to $600. It's important to consult with a professional mechanic to get an accurate estimate based on your specific vehicle and situation. Labor rates can vary significantly, so it's advisable to shop around for the best price.
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Code P1772 Information for Specific Makes
- P1772 Ford — Throttle Position Sensor Short Circuit
- P1772 Hyundai — Selection Position
- P1772 Infiniti — Low Coast Brake Solenoid Valve
- P1772 Mazda — Throttle Position Sensor Short Circuit
- P1772 Nissan — Low Coast Brake Solenoid Valve
Frequently Asked Questions about P1772 Code
1. What are the common symptoms of OBDII code P1772 (Low Coast Brake Solenoid Valve)?
- Common symptoms include harsh shifting, transmission slipping, and difficulty engaging gears.
2. What are the possible causes of OBDII code P1772 (Low Coast Brake Solenoid Valve)?
- Possible causes include a faulty solenoid valve, damaged wiring or connectors, low transmission fluid, or a malfunctioning transmission control module.
3. How can I diagnose the issue related to OBDII code P1772 (Low Coast Brake Solenoid Valve)?
- Diagnosis typically involves using a scan tool to retrieve the trouble code and inspecting the solenoid valve, wiring, and transmission fluid level for any issues.
4. Can I continue driving with OBDII code P1772 (Low Coast Brake Solenoid Valve) present?
- It is not recommended to continue driving with this code present, as it can lead to further damage to the transmission if left unresolved.
5. How can I repair OBDII code P1772 (Low Coast Brake Solenoid Valve)?
- Repair options may include replacing the faulty solenoid valve, repairing damaged wiring or connectors, topping up transmission fluid, or reprogramming the transmission control module.
6. Are there any DIY tips for fixing OBDII code P1772 (Low Coast Brake Solenoid Valve)?
- DIY enthusiasts can start by checking the solenoid valve and its wiring for any visible damage before attempting any repairs. However, it is recommended to seek professional help for accurate diagnosis and repair.
7. Can a low transmission fluid level cause OBDII code P1772 (Low Coast Brake Solenoid Valve)?
- Yes, a low transmission fluid level can affect the operation of the solenoid valve and trigger this trouble code. Checking and topping up the transmission fluid level may help resolve the issue.
8. How much does it typically cost to repair OBDII code P1772 (Low Coast Brake Solenoid Valve)?
- The cost of repair can vary depending on the specific cause of the issue, but it may range from $200 to $600, including parts and labor.
9. Will resetting the OBDII code P1772 (Low Coast Brake Solenoid Valve) resolve the issue?
- Resetting the code may temporarily clear the warning light, but if the underlying issue is not fixed, the code is likely to reappear. It is important to diagnose and address the root cause of the problem.
10. How long does it take to repair OBDII code P1772 (Low Coast Brake Solenoid Valve)?
- Repair times can vary based on the extent of the issue and the availability of parts. In general, it may take a few hours to a full day to complete the repair process.
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