P1664 Buick Code - Skip Shift 1-4 Upshift Lamp Control Circuit
Quick Answer
The P1664 Buick diagnostic trouble code refers to the Skip Shift 1-4 Upshift Lamp Control Circuit. Common causes include Faulty skip shift solenoid, Damaged wiring harness, Faulty indicator lamp. 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
- P1664 Buick indicates Skip Shift 1-4 Upshift Lamp Control Circuit.
- Common causes
- Common causes include Faulty skip shift solenoid, Damaged wiring harness, Faulty indicator lamp.
- 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 P1664 Buick Description
The P1664 Buick diagnostic trouble code refers to the Skip Shift 1-4 Upshift Lamp Control Circuit. This code indicates that there is a malfunction in the circuit that controls the skip shift feature in the vehicle. The skip shift feature is designed to skip the 2nd and 3rd gears during light acceleration to improve fuel efficiency. When this code is triggered, it means that there is an issue with the circuit that controls the indicator lamp for this feature.
Common Causes of P1664 Buick
- Faulty skip shift solenoid
- Damaged wiring harness
- Faulty indicator lamp
- Problem with the transmission control module
Symptoms of P1664 Buick
- Improper shifting during light acceleration
- Skip shift indicator lamp not illuminating
- Decreased fuel efficiency
- Confusion for the driver during gear changes
How to Fix P1664 Buick
- Perform a thorough diagnostic scan to confirm the P1664 code and identify the exact cause of the issue.
- Inspect the skip shift solenoid, wiring harness, indicator lamp, and transmission control module for any signs of damage or malfunction.
- Repair or replace any faulty components identified during the diagnostic scan.
- Clear the code and test drive the vehicle to ensure that the issue has been resolved.
- If the code persists, perform further diagnostics to determine the root cause of the problem and address it accordingly.
Cost to Fix P1664 Buick
The cost of repairing the P1664 Buick code can vary depending on the exact cause of the issue and the specific components that need to be repaired or replaced. In general, the cost of parts for this repair can range from $50 to $200, while the labor cost can range from $100 to $300. Overall, the total cost of repairing this issue can be estimated to be around $150 to $500. It is important to note that these are rough estimates and actual costs may vary based on factors such as location, vehicle make and model, and labor rates at auto repair shops. It is advisable to consult with a professional mechanic for a more accurate cost estimate for this repair.
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