B171A Nissan Code - Soft Top Hydraulic Pump Left
Quick Answer
The Soft Top Control Unit sets the OBDII code when the Soft Top Hydraulic Pump Relay 1 or Hydraulic Pump Motor circuit is open, short to ground or short to power. Common causes include Faulty Soft Top Hydraulic Pump Relay 1, Soft Top Hydraulic Pump Relay 1 harness is open or shorted, Soft Top Hydraulic Pump Relay 1 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
- B171A Nissan indicates Soft Top Hydraulic Pump Left.
- Common causes
- Common causes include Faulty Soft Top Hydraulic Pump Relay 1, Soft Top Hydraulic Pump Relay 1 harness is open or shorted, Soft Top Hydraulic Pump Relay 1 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 B171A Nissan Description
What are the Possible Causes of the DTC B171A Nissan?
- Faulty Soft Top Hydraulic Pump Relay 1
- Soft Top Hydraulic Pump Relay 1 harness is open or shorted
- Soft Top Hydraulic Pump Relay 1 circuit poor electrical connection
- Faulty Soft Top Control Unit
How to Fix the DTC B171A Nissan?
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 B171A Nissan 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 B171A Nissan Code
1. What does the OBDII code B171A mean on a Nissan?
B171A indicates an issue with the soft top hydraulic pump on the left side, often related to a malfunction or failure in the convertible top's hydraulic system.
2. What are the symptoms of a B171A code in a Nissan?
Common symptoms include the convertible top failing to open or close properly, slow or uneven movement of the soft top, and possible warning lights on the dashboard.
3. What causes the B171A code to appear?
Potential causes include a faulty left-side hydraulic pump, low hydraulic fluid, electrical issues like damaged wiring or connectors, or a malfunctioning control module.
4. Can I still operate the convertible top with a B171A code?
In most cases, the soft top may not function correctly or could stop working entirely until the issue is resolved.
5. How do I diagnose the B171A code on a Nissan?
Start by checking the hydraulic fluid level, inspecting the hydraulic pump on the left side, and examining wiring and connectors for damage or corrosion. A professional scan tool can be used for advanced diagnostics.
6. Is it safe to drive with the B171A code active?
Yes, the code does not affect the drivability of the vehicle, but the soft top may not function properly until the issue is fixed.
7. How can I fix the B171A code on my Nissan?
Repairs may involve refilling or replacing the hydraulic fluid, repairing or replacing the left-side hydraulic pump, or addressing any electrical issues like damaged wiring.
8. How much does it cost to repair a B171A code?
Repair costs can vary widely depending on the specific issue, but replacing the hydraulic pump can range from $500 to $1,500, excluding labor.
9. Can I clear the B171A code without fixing the issue?
Clearing the code without fixing the underlying problem will likely result in the code returning as soon as the system detects the fault again.
10. When should I take my car to a professional for a B171A code?
If basic checks like fluid levels and visual inspections don't resolve the issue, it's recommended to consult a professional for a more thorough diagnosis and repair.
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